Snippets for fbneo 1.0.0.3.20260816 from FreeBSD 150amd64

Sourced from https://pkg-status.freebsd.org/beefy23/data/latest-per-pkg/fbneo/1.0.0.3.20260816/150amd64-default.log.

src/burn/drv/atari/d_akkaarrh.cpp:234:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  234 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_arcadecl.cpp:376:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  376 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_atarig1.cpp:481:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  481 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_atarisy1.cpp:836:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  836 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_atarisy1.cpp:963:17: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
  963 |                                 if (mo[x] & ATARIMO_PRIORITY_MASK) {
      |                                             ^~~~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_atarisy2.cpp:928:8: warning: logical not is only applied to the left hand side of this comparison [-Wlogical-not-parentheses]
  928 |                         if (!tms5220_ready() == 0)               result ^= 0x04;
      |                             ^                ~~

src/burn/drv/atari/d_atarisy2.cpp:1231:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1231 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_badlands.cpp:395:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  395 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_batman.cpp:398:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  398 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_blstroid.cpp:424:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  424 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_eprom.cpp:450:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  450 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_eprom.cpp:632:23: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
  632 |                                                 pf[x] = mo[x] & ATARIMO_DATA_MASK;
      |                                                                 ^~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_eprom.cpp:634:23: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
  634 |                                                 pf[x] = mo[x] & ATARIMO_DATA_MASK & ~0x70;
      |                                                                 ^~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_gauntlet.cpp:592:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  592 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_klax.cpp:337:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  337 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_marblmd2.cpp:379:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  379 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_missile.cpp:488:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  488 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_offtwall.cpp:449:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  449 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_rampart.cpp:422:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  422 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_relief.cpp:395:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  395 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_shuuz.cpp:360:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  360 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_skullxbo.cpp:13:9: warning: 'dprintf' macro redefined [-Wmacro-redefined]
   13 | #define dprintf(...) do { if (DEBUG_TXT) { bprintf(__VA_ARGS__); }} while (0)
      |         ^

src/burn/drv/atari/d_skullxbo.cpp:505:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  505 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_skullxbo.cpp:651:23: warning: shifting a negative signed value is undefined [-Wshift-negative-value]
  651 |                                                 pf[x] = mo[x] & ATARIMO_DATA_MASK;
      |                                                                 ^~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_thunderj.cpp:438:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  438 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_vindictr.cpp:404:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  404 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/atari/d_toobin.cpp:375:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  375 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/atari/d_xybots.cpp:351:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  351 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/cave/d_cv1k.cpp:483:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  483 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/cave/d_dodonpachi.cpp:509:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  509 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_donpachi.cpp:654:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  654 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_esprade.cpp:521:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  521 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_feversos.cpp:486:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  486 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_gaia.cpp:748:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  748 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_guwange.cpp:528:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  528 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_hotdogst.cpp:630:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  630 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_korokoro.cpp:536:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  536 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_korokoro.cpp:614:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  614 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_mazinger.cpp:658:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  658 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_metmqstr.cpp:691:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  691 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_pwrinst2.cpp:809:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  809 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_pwrinst2.cpp:891:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  891 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_sailormn.cpp:914:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  914 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/cave/d_tjumpman.cpp:497:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  497 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/cave/d_uopoko.cpp:480:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  480 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:1794:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1794 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:1870:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1870 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:1916:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1916 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:1960:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1960 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2002:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2002 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2043:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2043 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2085:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2085 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2129:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2129 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2171:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2171 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2217:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2217 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2263:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2263 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2312:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2312 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2361:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2361 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2410:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2410 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2528:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2528 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2571:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2571 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2628:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2628 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2674:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2674 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2721:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2721 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_mitchell.cpp:2763:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2763 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/capcom/d_cps1.cpp:17738:13: warning: missing field 'nCpsZRomLen' initializer [-Wmissing-field-initializers]

src/burn/drv/channelf/d_channelf.cpp:318:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  318 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_actfancr.cpp:515:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  515 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_actfancr.cpp:574:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  574 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_backfire.cpp:378:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  378 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_boogwing.cpp:351:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  351 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_brkthru.cpp:433:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  433 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_bwing.cpp:469:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  469 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_cbuster.cpp:360:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  360 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_chanbara.cpp:279:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  279 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_cninja.cpp:1100:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1100 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_cninja.cpp:1195:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1195 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_cninja.cpp:1297:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1297 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_cninja.cpp:1411:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1411 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_cninja.cpp:1508:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1508 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_cninja.cpp:1626:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1626 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_cninja.cpp:1940:9: warning: variable 'alpha' set but not used [-Wunused-but-set-variable]
 1940 |                 INT32 alpha = 0xff;
      |                       ^

src/burn/drv/dataeast/d_compgolf.cpp:293:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  293 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_darkseal.cpp:348:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  348 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dassault.cpp:550:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  550 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dblewing.cpp:314:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  314 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dec0.cpp:4163:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4163 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_dec0.cpp:4651:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4651 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_dec0.cpp:4823:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4823 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_decocass.cpp:2905:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2905 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_deco156.cpp:447:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  447 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_deco156.cpp:515:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  515 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_deco32.cpp:1593:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1593 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_deco32.cpp:1729:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1729 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_deco32.cpp:1863:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1863 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_deco32.cpp:2013:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2013 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_deco32.cpp:2180:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2180 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_deco32.cpp:3761:33: warning: overlapping comparisons always evaluate to false [-Wtautological-overlap-compare]
 3761 |                 deco16_vblank = (scanline < 8 && scanline > 247);
      |                                  ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_decomlc.cpp:526:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  526 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_decomlc.cpp:1182:8: warning: variable 'nCyclesDone' set but not used [-Wunused-but-set-variable]
 1182 |         INT32 nCyclesDone = 0;
      |               ^

src/burn/drv/dataeast/d_dec8.cpp:1624:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1624 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dec8.cpp:2517:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2517 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dietgogo.cpp:296:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  296 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dec8.cpp:3215:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 3215 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dec8.cpp:3974:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 3974 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dec8.cpp:4714:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4714 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dec8.cpp:5201:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5201 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dec8.cpp:5952:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5952 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_dreambal.cpp:197:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  197 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_karnov.cpp:680:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  680 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_funkyjet.cpp:433:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  433 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_lemmings.cpp:392:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  392 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_liberate.cpp:550:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  550 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_kchamp.cpp:425:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  425 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_kchamp.cpp:519:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  519 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_madmotor.cpp:297:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  297 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_mirage.cpp:291:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  291 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_pcktgal.cpp:326:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  326 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_metlclsh.cpp:349:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  349 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_progolf.cpp:340:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  340 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_pktgaldx.cpp:289:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  289 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_rohga.cpp:788:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  788 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_rohga.cpp:881:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  881 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_rohga.cpp:984:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  984 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_rohga.cpp:1074:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1074 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_rohga.cpp:1167:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1167 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_shootout.cpp:413:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  413 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_shootout.cpp:488:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  488 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_sidepckt.cpp:653:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  653 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_simpl156.cpp:351:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  351 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/dataeast/d_simpl156.cpp:356:6: warning: variable 'gfx0len' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
  356 |         if (pRomLoad) {
      |             ^~~~~~~~

src/burn/drv/dataeast/d_sshangha.cpp:394:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  394 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_stadhero.cpp:358:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  358 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_supbtime.cpp:308:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  308 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_tumblep.cpp:241:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  241 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/galaxian/d_119.cpp:260:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  260 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/dataeast/d_vaportra.cpp:330:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  330 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/gba/arm7.h:275:7: warning: missing field 'name' initializer [-Wmissing-field-initializers]
  275 |         {NULL},
      |              ^

src/burn/drv/gba/arm7.h:344:7: warning: missing field 'name' initializer [-Wmissing-field-initializers]
  344 |         {NULL},
      |              ^

src/burn/drv/gba/arm7.h:380:7: warning: missing field 'name' initializer [-Wmissing-field-initializers]
  380 |         {NULL},
      |              ^

src/burn/drv/gba/arm7.h:416:7: warning: missing field 'name' initializer [-Wmissing-field-initializers]
  416 |         {NULL},
      |              ^

src/burn/drv/gba/arm7.h:627:7: warning: unused variable 'thumb' [-Wunused-variable]
  627 |         bool thumb = arm7_get_thumb_bit(cpu);
      |              ^~~~~

src/burn/drv/gba/arm7.h:686:21: warning: array subscript is of type 'char' [-Wchar-subscripts]
  686 |                 if (letter_handled[letter] == false) {
      |                                   ^~~~~~~

src/burn/drv/gba/arm7.h:694:18: warning: array subscript is of type 'char' [-Wchar-subscripts]
  694 |                         letter_handled[letter] = true;
      |                                       ^~~~~~~

src/burn/drv/gba/arm7.h:742:11: warning: unused variable 'oldpc' [-Wunused-variable]
  742 |                         UINT32 oldpc = cpu->registers[PC];
      |                                ^~~~~

src/burn/drv/gba/arm7.h:745:11: warning: unused variable 'oldpc' [-Wunused-variable]
  745 |                         UINT32 oldpc = cpu->registers[PC];
      |                                ^~~~~

src/burn/drv/gba/arm7.h:827:10: warning: unused variable 'key' [-Wunused-variable]
  827 |                 UINT32 key = ((opcode >> 4) & 0xf) | ((opcode >> 16) & 0xff0);
      |                        ^~~

src/burn/drv/gba/arm7.h:832:10: warning: unused variable 'key' [-Wunused-variable]
  832 |                 UINT32 key = ((opcode >> 8) & 0xff);
      |                        ^~~

src/burn/drv/gba/arm7.h:1558:8: warning: unused variable 'carry' [-Wunused-variable]
 1558 |         INT32 carry;
      |               ^~~~~

src/burn/drv/gba/arm7.h:1615:9: warning: unused variable 'r2' [-Wunused-variable]
 1615 |         UINT32 r2 = reg;
      |                ^~

src/burn/drv/gba/arm7.h:1958:7: warning: unused variable 'thumb' [-Wunused-variable]
 1958 |         bool thumb = arm7_get_thumb_bit(cpu);
      |              ^~~~~

src/burn/drv/gba/arm7.h:1995:8: warning: unused variable 'flags_only' [-Wunused-variable]
 1995 |         INT32 flags_only = !ARM7_BFE(opcode, 16, 1);
      |               ^~~~~~~~~~

src/burn/drv/gba/arm7.h:2075:8: warning: unused variable 'op_mapping' [-Wunused-variable]
 2075 |         INT32 op_mapping[16] = {
      |               ^~~~~~~~~~

src/burn/drv/gba/arm7.h:2094:8: warning: unused variable 'shift_mapping' [-Wunused-variable]
 2094 |         INT32 shift_mapping[16] = {
      |               ^~~~~~~~~~~~~

src/burn/drv/gba/gba_impl.h:191:30: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  191 |         { GBA_IME    , "IME"    , {0}   },                      /* R/W  IME       Interrupt Master Enable Register */
      |                                     ^

src/burn/drv/gba/gba_impl.h:192:30: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  192 |         { GBA_POSTFLG, "POSTFLG", {0}   },                      /* R/W  POSTFLG   Undocumented - Post Boot Flag */
      |                                     ^

src/burn/drv/gba/gba_impl.h:193:30: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  193 |         { GBA_HALTCNT, "HALTCNT", {0}   },
      |                                     ^

src/burn/drv/gba/gba_impl.h:225:30: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  225 |         { GBA_VCOUNT, "VCOUNT", { 0 }   },              /* R   Vertical Counter (LY) */
      |                                     ^

src/burn/drv/gba/gba_impl.h:268:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  268 |         { GBA_BG0HOFS, "BG0HOFS", { 0 } },                      /* W   BG0 X-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:269:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  269 |         { GBA_BG0VOFS, "BG0VOFS", { 0 } },                      /* W   BG0 Y-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:270:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  270 |         { GBA_BG1HOFS, "BG1HOFS", { 0 } },                      /* W   BG1 X-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:271:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  271 |         { GBA_BG1VOFS, "BG1VOFS", { 0 } },                      /* W   BG1 Y-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:272:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  272 |         { GBA_BG2HOFS, "BG2HOFS", { 0 } },                      /* W   BG2 X-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:273:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  273 |         { GBA_BG2VOFS, "BG2VOFS", { 0 } },                      /* W   BG2 Y-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:274:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  274 |         { GBA_BG3HOFS, "BG3HOFS", { 0 } },                      /* W   BG3 X-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:275:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  275 |         { GBA_BG3VOFS, "BG3VOFS", { 0 } },                      /* W   BG3 Y-Offset */
      |                                       ^

src/burn/drv/gba/gba_impl.h:276:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  276 |         { GBA_BG2PA  , "BG2PA"  , { 0 } },                      /* W   BG2 Rotation/Scaling Parameter A (dx) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:277:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  277 |         { GBA_BG2PB  , "BG2PB"  , { 0 } },                      /* W   BG2 Rotation/Scaling Parameter B (dmx) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:278:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  278 |         { GBA_BG2PC  , "BG2PC"  , { 0 } },                      /* W   BG2 Rotation/Scaling Parameter C (dy) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:279:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  279 |         { GBA_BG2PD  , "BG2PD"  , { 0 } },                      /* W   BG2 Rotation/Scaling Parameter D (dmy) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:280:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  280 |         { GBA_BG2X   , "BG2X"   , { 0 } },                      /* W   BG2 Reference Point X-Coordinate */
      |                                       ^

src/burn/drv/gba/gba_impl.h:281:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  281 |         { GBA_BG2Y   , "BG2Y"   , { 0 } },                      /* W   BG2 Reference Point Y-Coordinate */
      |                                       ^

src/burn/drv/gba/gba_impl.h:282:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  282 |         { GBA_BG3PA  , "BG3PA"  , { 0 } },                      /* W   BG3 Rotation/Scaling Parameter A (dx) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:283:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  283 |         { GBA_BG3PB  , "BG3PB"  , { 0 } },                      /* W   BG3 Rotation/Scaling Parameter B (dmx) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:284:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  284 |         { GBA_BG3PC  , "BG3PC"  , { 0 } },                      /* W   BG3 Rotation/Scaling Parameter C (dy) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:285:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  285 |         { GBA_BG3PD  , "BG3PD"  , { 0 } },                      /* W   BG3 Rotation/Scaling Parameter D (dmy) */
      |                                       ^

src/burn/drv/gba/gba_impl.h:286:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  286 |         { GBA_BG3X   , "BG3X"   , { 0 } },                      /* W   BG3 Reference Point X-Coordinate */
      |                                       ^

src/burn/drv/gba/gba_impl.h:287:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  287 |         { GBA_BG3Y   , "BG3Y"   , { 0 } },                      /* W   BG3 Reference Point Y-Coordinate */
      |                                       ^

src/burn/drv/gba/gba_impl.h:357:26: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  357 |         { GBA_BLDY, "BLDY", { 0 }       },      /* W   Brightness (Fade-In/Out) Coefficient */
      |                                 ^

src/burn/drv/gba/gba_impl.h:460:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  460 |         { GBA_WAVE_RAM, "WAVE_RAM"  , { 0 }     },              /* R/W Channel 3 Wave Pattern RAM (2 banks!!) */
      |                                           ^

src/burn/drv/gba/gba_impl.h:461:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  461 |         { GBA_FIFO_A  , "FIFO_A"    , { 0 }     },              /* W   Channel A FIFO, Data 0-3 */
      |                                           ^

src/burn/drv/gba/gba_impl.h:462:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  462 |         { GBA_FIFO_B  , "FIFO_B"    , { 0 }     },              /* W   Channel B FIFO, Data 0-3 */
      |                                           ^

src/burn/drv/gba/gba_impl.h:465:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  465 |         { GBA_DMA0SAD  , "DMA0SAD"  , { 0 }     },              /* W    DMA 0 Source Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:466:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  466 |         { GBA_DMA0DAD  , "DMA0DAD"  , { 0 }     },              /* W    DMA 0 Destination Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:467:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  467 |         { GBA_DMA0CNT_L, "DMA0CNT_L", { 0 }     },              /* W    DMA 0 Word Count */
      |                                           ^

src/burn/drv/gba/gba_impl.h:477:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  477 |         { GBA_DMA1SAD  , "DMA1SAD"  , { 0 }     },              /* W    DMA 1 Source Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:478:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  478 |         { GBA_DMA1DAD  , "DMA1DAD"  , { 0 }     },              /* W    DMA 1 Destination Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:479:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  479 |         { GBA_DMA1CNT_L, "DMA1CNT_L", { 0 }     },              /* W    DMA 1 Word Count */
      |                                           ^

src/burn/drv/gba/gba_impl.h:489:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  489 |         { GBA_DMA2SAD  , "DMA2SAD"  , { 0 }     },              /* W    DMA 2 Source Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:490:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  490 |         { GBA_DMA2DAD  , "DMA2DAD"  , { 0 }     },              /* W    DMA 2 Destination Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:491:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  491 |         { GBA_DMA2CNT_L, "DMA2CNT_L", { 0 }     },              /* W    DMA 2 Word Count */
      |                                           ^

src/burn/drv/gba/gba_impl.h:501:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  501 |         { GBA_DMA3SAD  , "DMA3SAD"  , { 0 }     },              /* W    DMA 3 Source Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:502:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  502 |         { GBA_DMA3DAD  , "DMA3DAD"  , { 0 }     },              /* W    DMA 3 Destination Address */
      |                                           ^

src/burn/drv/gba/gba_impl.h:503:36: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  503 |         { GBA_DMA3CNT_L, "DMA3CNT_L", { 0 }     },              /* W    DMA 3 Word Count */
      |                                           ^

src/burn/drv/gba/gba_impl.h:516:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  516 |         { GBA_TM0CNT_L, "TM0CNT_L", {0} },                      /* R/W   Timer 0 Counter/Reload */
      |                                       ^

src/burn/drv/gba/gba_impl.h:523:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  523 |         { GBA_TM1CNT_L, "TM1CNT_L", {0} },                      /* R/W   Timer 1 Counter/Reload */
      |                                       ^

src/burn/drv/gba/gba_impl.h:530:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  530 |         { GBA_TM2CNT_L, "TM2CNT_L", {0} },                      /* R/W   Timer 2 Counter/Reload */
      |                                       ^

src/burn/drv/gba/gba_impl.h:537:32: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  537 |         { GBA_TM3CNT_L, "TM3CNT_L", {0} },                      /* R/W   Timer 3 Counter/Reload */
      |                                       ^

src/burn/drv/gba/gba_impl.h:546:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  546 |         { GBA_SIODATA32  , "SIODATA32"  , {0}   },      /*R/W   SIO Data (Normal-32bit Mode; shared with below) */
      |                                             ^

src/burn/drv/gba/gba_impl.h:547:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  547 |         { GBA_SIOMULTI0  , "SIOMULTI0"  , {0}   },      /*R/W   SIO Data 0 (Parent)    (Multi-Player Mode) */
      |                                             ^

src/burn/drv/gba/gba_impl.h:548:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  548 |         { GBA_SIOMULTI1  , "SIOMULTI1"  , {0}   },      /*R/W   SIO Data 1 (1st Child) (Multi-Player Mode) */
      |                                             ^

src/burn/drv/gba/gba_impl.h:549:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  549 |         { GBA_SIOMULTI2  , "SIOMULTI2"  , {0}   },      /*R/W   SIO Data 2 (2nd Child) (Multi-Player Mode) */
      |                                             ^

src/burn/drv/gba/gba_impl.h:550:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  550 |         { GBA_SIOMULTI3  , "SIOMULTI3"  , {0}   },      /*R/W   SIO Data 3 (3rd Child) (Multi-Player Mode) */
      |                                             ^

src/burn/drv/gba/gba_impl.h:551:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  551 |         { GBA_SIOCNT     , "SIOCNT"     , {0}   },      /*R/W   SIO Control Register */
      |                                             ^

src/burn/drv/gba/gba_impl.h:552:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  552 |         { GBA_SIOMLT_SEND, "SIOMLT_SEND", {0}   },      /*R/W   SIO Data (Local of MultiPlayer; shared below) */
      |                                             ^

src/burn/drv/gba/gba_impl.h:553:38: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  553 |         { GBA_SIODATA8   , "SIODATA8"   , {0}   },      /*R/W   SIO Data (Normal-8bit and UART Mode) */
      |                                             ^

src/burn/drv/gba/gba_impl.h:584:34: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  584 |         { GBA_RCNT     , "RCNT"     , {0}       },              /* R/W  SIO Mode Select/General Purpose Data */
      |                                         ^

src/burn/drv/gba/gba_impl.h:585:34: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  585 |         { GBA_IR       , "IR"       , {0}       },              /* -    Ancient - Infrared Register (Prototypes only) */
      |                                         ^

src/burn/drv/gba/gba_impl.h:586:34: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  586 |         { GBA_JOYCNT   , "JOYCNT"   , {0}       },              /* R/W  SIO JOY Bus Control */
      |                                         ^

src/burn/drv/gba/gba_impl.h:587:34: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  587 |         { GBA_JOY_RECV , "JOY_RECV" , {0}       },              /* R/W  SIO JOY Bus Receive Data */
      |                                         ^

src/burn/drv/gba/gba_impl.h:588:34: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  588 |         { GBA_JOY_TRANS, "JOY_TRANS", {0}       },              /* R/W  SIO JOY Bus Transmit Data */
      |                                         ^

src/burn/drv/gba/gba_impl.h:589:34: warning: missing field 'size' initializer [-Wmissing-field-initializers]
  589 |         { GBA_JOYSTAT  , "JOYSTAT"  , {0}       },              /* R/?  SIO JOY Bus Receive Status */
      |                                         ^

src/burn/drv/gba/gba_impl.h:4198:10: warning: variable 'compensated_ticks' set but not used [-Wunused-but-set-variable]
 4198 |                         INT32 compensated_ticks = ticks;
      |                               ^

src/burn/drv/gba/gba_impl.h:4978:11: warning: unused variable 'length_duty' [-Wunused-variable]
 4978 |                                 UINT8 length_duty = sb_read8_io(gb, SB_IO_AUD1_LENGTH_DUTY + i * 5);
      |                                       ^~~~~~~~~~~

src/burn/drv/gba/arm7.h:132:13: warning: unused function 'arm7_get_disasm' [-Wunused-function]
  132 | static void arm7_get_disasm(arm7_t * cpu, UINT32 mem_address, char* out_disasm, size_t out_size);
      |             ^~~~~~~~~~~~~~~

src/burn/drv/gba/arm7.h:967:13: warning: unused function 'arm9_exec_instruction' [-Wunused-function]
  967 | static void arm9_exec_instruction(arm7_t* cpu) {
      |             ^~~~~~~~~~~~~~~~~~~~~

src/burn/drv/gba/gba_impl.h:4414:6: warning: unused function 'gba_run_ar_cheat' [-Wunused-function]
 4414 | bool gba_run_ar_cheat(gba_t* gba, const UINT32* buffer, UINT32 size)
      |      ^~~~~~~~~~~~~~~~

src/burn/drv/gba/gba_impl.h:990:15: warning: unused function 'gba_save_best_effort_state' [-Wunused-function]
  990 | static UINT32 gba_save_best_effort_state(gba_t* gba) 
      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/gba/gba_impl.h:1009:13: warning: unused function 'gba_load_best_effort_state' [-Wunused-function]
 1009 | static bool gba_load_best_effort_state(gba_t* gba, UINT8* save_state_data, UINT32 size, UINT32 bess_offset)
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/gba/d_gba.cpp:91:1: warning: unused function 'AioInputInfo' [-Wunused-function]
   91 | STDINPUTINFO(Aio)
      | ^~~~~~~~~~~~~~~~~

src/burn/drv/irem/d_m52.cpp:459:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  459 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/irem/d_m57.cpp:252:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  252 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/irem/d_m58.cpp:352:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  352 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/irem/d_m62.cpp:2452:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2452 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/irem/d_m63.cpp:565:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  565 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/irem/d_m72.cpp:1687:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1687 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/irem/d_m72.cpp:2120:8: warning: variable 'z80samplecount' set but not used [-Wunused-but-set-variable]
 2120 |         INT32 z80samplecount = 0;
      |               ^

src/burn/drv/irem/d_m90.cpp:1200:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1200 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/irem/d_m92.cpp:1772:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1772 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/irem/d_m107.cpp:626:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  626 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/irem/d_travrusa.cpp:382:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  382 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/irem/d_vigilant.cpp:1481:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1481 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/irem/d_vigilant.cpp:1590:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1590 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/irem/d_vigilant.cpp:1698:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1698 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/irem/d_vigilant.cpp:1801:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1801 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/irem/d_vigilant.cpp:1909:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1909 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/konami/d_88games.cpp:389:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  389 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_ajax.cpp:476:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  476 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_aliens.cpp:357:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  357 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_asterix.cpp:453:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  453 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_battlnts.cpp:422:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  422 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_bishi.cpp:449:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  449 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_bladestl.cpp:492:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  492 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_blockhl.cpp:304:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  304 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_bottom9.cpp:493:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  493 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_circusc.cpp:326:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  326 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_chqflag.cpp:519:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  519 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_combatsc.cpp:491:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  491 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_contra.cpp:511:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  511 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_crimfght.cpp:476:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  476 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_dbz.cpp:698:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  698 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_ddribble.cpp:396:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  396 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_divebomb.cpp:413:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  413 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_fastlane.cpp:376:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  376 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_finalzr.cpp:396:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  396 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_gberet.cpp:584:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  584 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_flkatck.cpp:416:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  416 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_gijoe.cpp:490:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  490 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_gbusters.cpp:363:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  363 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_gradius3.cpp:562:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  562 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_gradius3.cpp:664:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  664 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_gyruss.cpp:630:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  630 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_hcastle.cpp:435:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  435 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_hexion.cpp:385:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  385 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_hyperspt.cpp:483:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  483 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_ironhors.cpp:381:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  381 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_jailbrek.cpp:330:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  330 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_jackal.cpp:717:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  717 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_kontest.cpp:186:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  186 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_junofrst.cpp:446:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  446 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_labyrunr.cpp:350:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  350 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_lethal.cpp:486:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  486 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mainevt.cpp:682:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  682 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_megazone.cpp:474:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  474 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mikie.cpp:375:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  375 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mogura.cpp:220:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  220 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_moo.cpp:902:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  902 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_moo.cpp:1045:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1045 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mystwarr.cpp:2053:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2053 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mystwarr.cpp:2160:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2160 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mystwarr.cpp:2271:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2271 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mystwarr.cpp:2386:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2386 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mystwarr.cpp:2535:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2535 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_mystwarr.cpp:2691:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2691 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2535:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2535 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2600:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2600 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2663:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2663 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2730:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2730 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2784:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2784 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2843:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2843 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2908:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2908 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:2967:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2967 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:3026:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 3026 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_nemesis.cpp:3083:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 3083 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_pandoras.cpp:468:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  468 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_pingpong.cpp:462:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  462 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_pingpong.cpp:504:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  504 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_pingpong.cpp:550:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  550 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_parodius.cpp:392:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  392 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_pooyan.cpp:312:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  312 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_rocnrope.cpp:330:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  330 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_rockrage.cpp:338:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  338 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_rollerg.cpp:366:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  366 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_sbasketb.cpp:375:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  375 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_scotrsht.cpp:339:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  339 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_shaolins.cpp:329:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  329 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_simpsons.cpp:420:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  420 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_spy.cpp:515:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  515 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_surpratk.cpp:331:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  331 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_thunderx.cpp:573:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  573 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_timeplt.cpp:415:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  415 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tp84.cpp:535:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  535 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tp84.cpp:626:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  626 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:4754:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4754 |         BurnAllocMemIndexEx(Tmnt);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:4860:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4860 |         BurnAllocMemIndexEx(Mia);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:4951:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4951 |         BurnAllocMemIndexEx(Cuebrick);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:5014:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5014 |         BurnAllocMemIndexEx(Blswhstl);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:5099:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5099 |         BurnAllocMemIndexEx(Ssriders);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:5181:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5181 |         BurnAllocMemIndexEx(Thndrx2);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:5260:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5260 |         BurnAllocMemIndexEx(Lgtnfght);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:5342:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5342 |         BurnAllocMemIndexEx(Tmnt2);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:5432:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5432 |         BurnAllocMemIndexEx(Tmnt2);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tmnt.cpp:5518:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5518 |         BurnAllocMemIndexEx(Punkshot);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_trackfld.cpp:929:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  929 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_trackfld.cpp:997:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  997 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_trackfld.cpp:1060:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1060 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_trackfld.cpp:1120:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1120 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_trackfld.cpp:1180:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1180 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_trackfld.cpp:1259:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1259 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_trackfld.cpp:1341:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1341 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_tutankhm.cpp:371:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  371 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_twin16.cpp:957:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  957 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_ultraman.cpp:416:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  416 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_vendetta.cpp:606:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  606 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/konami/d_wecleman.cpp:938:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  938 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_wecleman.cpp:1051:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1051 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_xmen.cpp:497:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  497 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/konami/d_yiear.cpp:314:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  314 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/midway/d_kinst.cpp:510:25: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  510 |     INT32 nLen = MemEnd - (UINT8 *)0;
      |                         ^ ~~~~~~~~~~

src/burn/drv/midway/midtunit_dma.h:313:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]
  313 | DECLARE_BLITTER_SET(dma_draw_skip_scale,       dma_state->bpp, EXTRACTGEN,   SKIP_YES, SCALE_YES)
      | ^

src/burn/drv/midway/midtunit_dma.h:313:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]

src/burn/drv/midway/midtunit_dma.h:314:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]
  314 | DECLARE_BLITTER_SET(dma_draw_noskip_scale,     dma_state->bpp, EXTRACTGEN,   SKIP_NO,  SCALE_YES)
      | ^

src/burn/drv/midway/midtunit_dma.h:314:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]

src/burn/drv/midway/midtunit_dma.h:315:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]
  315 | DECLARE_BLITTER_SET(dma_draw_skip_noscale,     dma_state->bpp, EXTRACTGEN,   SKIP_YES, SCALE_NO)
      | ^

src/burn/drv/midway/midtunit_dma.h:315:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]

src/burn/drv/midway/midtunit_dma.h:316:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]
  316 | DECLARE_BLITTER_SET(dma_draw_noskip_noscale,   dma_state->bpp, EXTRACTGEN,   SKIP_NO,  SCALE_NO)
      | ^

src/burn/drv/midway/midtunit_dma.h:316:1: warning: variable 'endskip' set but not used [-Wunused-but-set-variable]

  110 |         int endskip = dma_state->endskip << 8;         src/burn/drv/midway/d_yunit.cpp:1687:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1687 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/midway/midtunit_dma.h:344:23: warning: variable 'regnum' set but not used [-Wunused-but-set-variable]
  344 |     int command, bpp, regnum;
      |                       ^

src/burn/drv/midway/d_xunit.cpp:633:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  633 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/snes/sa1.cpp:241:15: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
  241 | static inline const bool sa1_running() {
      |               ^~~~~

src/burn/drv/pgm2/d_pgm2.cpp:57:1: warning: unused function 'pgm2DefaultInputInfo' [-Wunused-function]
   57 | STDINPUTINFO(pgm2Default)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/pgm2/pgm2_run.cpp:503:24: warning: unused variable 'instr' [-Wunused-variable]
  503 |                 UINT32 instr = *(UINT32*)(Pgm2IntROM + i);
      |                        ^~~~~

src/burn/drv/pgm2/pgm2_run.cpp:509:24: warning: unused variable 'instr' [-Wunused-variable]
  509 |                 UINT32 instr = *(UINT32*)(Pgm2IntROM + i);
      |                        ^~~~~

src/burn/drv/pgm2/pgm2_run.cpp:576:15: warning: variable 'romName' set but not used [-Wunused-but-set-variable]
  576 |         const TCHAR *romName = _T("ARM ROM");
      |                      ^

src/burn/drv/pgm2/pgm2_run.cpp:785:20: warning: unused variable 'pc' [-Wunused-variable]
  785 |             UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                    ^~

src/burn/drv/pgm2/pgm2_run.cpp:841:28: warning: unused variable 'pc' [-Wunused-variable]
  841 |                     UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                            ^~

src/burn/drv/pgm2/pgm2_run.cpp:842:28: warning: unused variable 'cpsr' [-Wunused-variable]
  842 |                     UINT32 cpsr = Arm9DbgGetCPSR();
      |                            ^~~~

src/burn/drv/pgm2/pgm2_run.cpp:843:28: warning: unused variable 'sp' [-Wunused-variable]
  843 |                     UINT32 sp = Arm9DbgGetRegister(eR13);
      |                            ^~

src/burn/drv/pgm2/pgm2_run.cpp:844:28: warning: unused variable 'lr' [-Wunused-variable]
  844 |                     UINT32 lr = Arm9DbgGetRegister(eR14);
      |                            ^~

src/burn/drv/pgm2/pgm2_run.cpp:845:28: warning: unused variable 'spsr' [-Wunused-variable]
  845 |                     UINT32 spsr = Arm9DbgGetRegister(eSPSR_IRQ);
      |                            ^~~~

src/burn/drv/pgm2/pgm2_run.cpp:846:28: warning: unused variable 'sp_irq' [-Wunused-variable]
  846 |                     UINT32 sp_irq = Arm9DbgGetRegister(eR13_IRQ);
      |                            ^~~~~~

src/burn/drv/pgm2/pgm2_run.cpp:891:24: warning: unused variable 'pc' [-Wunused-variable]
  891 |                 UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                        ^~

src/burn/drv/pgm2/pgm2_run.cpp:892:24: warning: unused variable 'cpsr' [-Wunused-variable]
  892 |                 UINT32 cpsr = Arm9DbgGetCPSR();
      |                        ^~~~

src/burn/drv/pgm2/pgm2_run.cpp:893:24: warning: unused variable 'lr' [-Wunused-variable]
  893 |                 UINT32 lr = Arm9DbgGetRegister(eR14);
      |                        ^~

src/burn/drv/pgm2/pgm2_run.cpp:894:24: warning: unused variable 'sp' [-Wunused-variable]
  894 |                 UINT32 sp = Arm9DbgGetRegister(eR13);
      |                        ^~

src/burn/drv/pgm2/pgm2_run.cpp:908:24: warning: unused variable 'pc' [-Wunused-variable]
  908 |                 UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                        ^~

src/burn/drv/pgm2/pgm2_run.cpp:921:24: warning: unused variable 'pc' [-Wunused-variable]
  921 |                 UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                        ^~

src/burn/drv/pgm2/pgm2_run.cpp:1127:27: warning: unused variable 's' [-Wunused-variable]
 1127 |                     UINT8 s = arg1 & 3;
      |                           ^

src/burn/drv/pgm2/pgm2_run.cpp:1522:24: warning: unused variable 'pc' [-Wunused-variable]
 1522 |                 UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                        ^~

src/burn/drv/pgm2/pgm2_run.cpp:1658:24: warning: unused variable 'pc' [-Wunused-variable]
 1658 |                 UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                        ^~

src/burn/drv/pgm2/pgm2_run.cpp:1671:20: warning: unused variable 'pc' [-Wunused-variable]
 1671 |             UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                    ^~

src/burn/drv/pgm2/pgm2_run.cpp:1692:20: warning: unused variable 'pc' [-Wunused-variable]
 1692 |             UINT32 pc = Arm9DbgGetPC() & 0x7fffffff;
      |                    ^~

src/burn/drv/pgm2/pgm2_run.cpp:2320:20: warning: unused variable 'sp_irq' [-Wunused-variable]
 2320 |             UINT32 sp_irq = Arm9DbgGetRegister(eR13_IRQ);
      |                    ^~~~~~

src/burn/drv/pgm2/pgm2_run.cpp:2321:20: warning: unused variable 'lr_irq' [-Wunused-variable]
 2321 |             UINT32 lr_irq = Arm9DbgGetRegister(eR14_IRQ);
      |                    ^~~~~~

src/burn/drv/pgm2/pgm2_run.cpp:2322:20: warning: unused variable 'sp_svc' [-Wunused-variable]
 2322 |             UINT32 sp_svc = Arm9DbgGetRegister(eR13_SVC);
      |                    ^~~~~~

src/burn/drv/pgm2/pgm2_run.cpp:2311:16: warning: unused variable 'cpsr' [-Wunused-variable]
 2311 |         UINT32 cpsr = Arm9DbgGetCPSR();
      |                ^~~~

src/burn/drv/pgm2/pgm2_run.cpp:2312:16: warning: unused variable 'lr' [-Wunused-variable]
 2312 |         UINT32 lr = Arm9DbgGetRegister(eR14);
      |                ^~

src/burn/drv/pgm2/pgm2_run.cpp:2398:19: warning: variable 'sprNonZero' set but not used [-Wunused-but-set-variable]
 2398 |             INT32 sprNonZero = 0;
      |                   ^

src/burn/drv/pgm2/pgm2_run.cpp:2403:19: warning: variable 'bgNonZero' set but not used [-Wunused-but-set-variable]
 2403 |             INT32 bgNonZero = 0;
      |                   ^

src/burn/drv/pgm2/pgm2_run.cpp:2408:19: warning: variable 'fgNonZero' set but not used [-Wunused-but-set-variable]
 2408 |             INT32 fgNonZero = 0;
      |                   ^

src/burn/drv/pgm2/pgm2_run.cpp:2413:19: warning: variable 'spPalNonZero' set but not used [-Wunused-but-set-variable]
 2413 |             INT32 spPalNonZero = 0;
      |                   ^

src/burn/drv/pgm2/pgm2_run.cpp:2418:19: warning: variable 'ramNonZero' set but not used [-Wunused-but-set-variable]
 2418 |             INT32 ramNonZero = 0;
      |                   ^

src/burn/drv/pgm2/pgm2_run.cpp:2423:21: warning: unused variable 'vr' [-Wunused-variable]
 2423 |             UINT32 *vr = (UINT32*)Pgm2VideoRegs;
      |                     ^~

src/burn/drv/pgm2/pgm2_run.cpp:2389:16: warning: unused variable 'pc' [-Wunused-variable]
 2389 |         UINT32 pc = Arm9DbgGetPC() & 0x7FFFFFFF;
      |                ^~

src/burn/drv/pgm2/pgm2_run.cpp:522:14: warning: unused function 'pgm2IsArmBranch' [-Wunused-function]
  522 | static INT32 pgm2IsArmBranch(UINT32 opcode)
      |              ^~~~~~~~~~~~~~~

src/burn/drv/pgm2/pgm2_run.cpp:529:14: warning: unused function 'pgm2ArmBranchTarget' [-Wunused-function]
  529 | static INT32 pgm2ArmBranchTarget(UINT32 opcode, INT32 pcOffset)
      |              ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pgm2/pgm2_run.cpp:537:14: warning: unused function 'pgm2IsArmInstructionValid' [-Wunused-function]
  537 | static INT32 pgm2IsArmInstructionValid(UINT32 opcode)
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/psikyo/d_psikyo.cpp:1483:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1483 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/psikyo/d_psikyo4.cpp:733:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  733 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/psikyo/d_psikyosh.cpp:727:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  727 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_appoooh.cpp:805:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  805 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_appoooh.cpp:826:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  826 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_angelkds.cpp:495:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  495 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_bankp.cpp:294:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  294 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_dotrikun.cpp:96:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
   96 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_segac2.cpp:1218:9: warning: variable 'dma_op1' set but not used [-Wunused-but-set-variable]
 1218 |   INT32 dma_op1;
      |         ^

src/burn/drv/sega/d_segac2.cpp:1256:9: warning: variable 'fromrom' set but not used [-Wunused-but-set-variable]
 1256 |         UINT32 fromrom = 0;
      |                ^

src/burn/drv/sega/d_segac2.cpp:2023:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2023 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segac2.cpp:3409:8: warning: variable 'offs' set but not used [-Wunused-but-set-variable]
 3409 |         INT32 offs = 8, lines = 224;
      |               ^

src/burn/drv/sega/d_segac2.cpp:3409:18: warning: variable 'lines' set but not used [-Wunused-but-set-variable]
 3409 |         INT32 offs = 8, lines = 224;
      |                         ^

src/burn/drv/sega/d_segae.cpp:1229:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1229 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segag80r.cpp:1048:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1048 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segag80v.cpp:1007:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1007 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_suprloco.cpp:360:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  360 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:4696:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4696 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:4920:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4920 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5088:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5088 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5244:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5244 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5347:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5347 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5494:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5494 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5551:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5551 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5685:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5685 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5756:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5756 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:5819:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5819 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:6031:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6031 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:6148:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6148 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:6316:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6316 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:6513:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6513 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:6703:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6703 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:6816:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6816 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:6970:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6970 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7068:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7068 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7227:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7227 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7331:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7331 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7464:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7464 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7590:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7590 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7734:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7734 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7876:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7876 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_segas32.cpp:7996:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7996 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_sys1.cpp:6064:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 6064 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/sega/d_sys1.cpp:7019:10: warning: variable 'SpritePalette' set but not used [-Wunused-but-set-variable]
 7019 |         UINT32 *SpritePalette;
      |                 ^

src/burn/drv/sega/d_sys24.cpp:2068:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2068 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_turbo.cpp:1074:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1074 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_turbo.cpp:1218:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1218 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_turbo.cpp:1360:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1360 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/sega/d_zaxxon.cpp:965:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  965 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/sega/d_zaxxon.cpp:1054:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1054 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_arkanoid.cpp:1200:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1200 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_ashnojoe.cpp:331:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  331 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_asuka.cpp:1339:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1339 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_bublbobl.cpp:2175:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2175 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_bublbobl.cpp:2569:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2569 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_bublbobl.cpp:2676:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2676 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_buggychl.cpp:579:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  579 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_chaknpop.cpp:387:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  387 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_crbaloon.cpp:392:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  392 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_cyclemb.cpp:608:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  608 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_cyclemb.cpp:699:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  699 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_darius2.cpp:1391:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1391 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_darius2.cpp:1505:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1505 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_darius2.cpp:1616:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1616 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_exzisus.cpp:362:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  362 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_flstory.cpp:871:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  871 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_galastrm.cpp:316:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  316 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_gladiatr.cpp:764:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  764 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_groundfx.cpp:343:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  343 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_gunbuster.cpp:252:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  252 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_halleys.cpp:1225:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1225 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_jollyjgr.cpp:348:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  348 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_ksayakyu.cpp:283:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  283 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_lkage.cpp:551:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  551 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_lsasquad.cpp:453:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  453 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_minivdr.cpp:72:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
   72 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_mexico86.cpp:678:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  678 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_msisaac.cpp:445:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  445 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_nycaptor.cpp:603:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  603 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_qix.cpp:863:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  863 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_othunder.cpp:609:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  609 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_othunder.cpp:770:8: warning: variable 'BadChunks' set but not used [-Wunused-but-set-variable]
  770 |         INT32 BadChunks;
      |               ^

src/burn/drv/taito/d_retofinv.cpp:500:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  500 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_sbowling.cpp:326:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  326 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_slapshot.cpp:586:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  586 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_rollrace.cpp:368:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  368 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_ssrj.cpp:218:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  218 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/taito/d_superchs.cpp:557:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  557 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_superchs.cpp:670:32: warning: variable 'BadChunks' set but not used [-Wunused-but-set-variable]
  670 |         INT32 Dimension, TotalChunks, BadChunks;
      |                                       ^

src/burn/drv/taito/d_superqix.cpp:851:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  851 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_superqix.cpp:906:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  906 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_superqix.cpp:1267:45: warning: if statement has empty body [-Wempty-body]
 1267 |         if (BurnLoadRom(DrvMCUROM + 0x00000, 6, 1));
      |                                                    ^

src/burn/drv/taito/d_superqix.cpp:1371:45: warning: if statement has empty body [-Wempty-body]
 1371 |         if (BurnLoadRom(DrvMCUROM + 0x00000, 5, 1));
      |                                                    ^

src/burn/drv/taito/d_supridr.cpp:326:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  326 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitob.cpp:1929:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1929 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoh.cpp:905:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  905 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:7875:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7875 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:7951:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 7951 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8051:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8051 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8110:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8110 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8177:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8177 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8245:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8245 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8319:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8319 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8401:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8401 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8501:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8501 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8561:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8561 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8616:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8616 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8674:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8674 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8732:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8732 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8789:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8789 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8854:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8854 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8913:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8913 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:8980:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 8980 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9041:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9041 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9103:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9103 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9162:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9162 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9221:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9221 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9278:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9278 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9333:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9333 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9389:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9389 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9444:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9444 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9499:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9499 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9553:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9553 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9617:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9617 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9684:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9684 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof2.cpp:9745:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 9745 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitof3.cpp:1287:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1287 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitol.cpp:2439:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2439 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitol.cpp:2513:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2513 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitol.cpp:2591:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2591 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitol.cpp:2655:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2655 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitol.cpp:2725:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2725 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitol.cpp:2812:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2812 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitof3.cpp:3988:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 3988 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:4403:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4403 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:4537:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4537 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:4648:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4648 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:4767:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4767 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:4865:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4865 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:4957:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4957 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:5054:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5054 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:5166:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5166 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitomisc.cpp:5608:32: warning: variable 'BadChunks' set but not used [-Wunused-but-set-variable]
 5608 |         UINT8 xFlip, yFlip, Priority, BadChunks;
      |                                       ^

src/burn/drv/taito/d_taitosj.cpp:1821:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1821 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_taitox.cpp:1124:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1124 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:4900:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4900 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:4997:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4997 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5107:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5107 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5204:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5204 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5303:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5303 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5401:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5401 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5510:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5510 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5606:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5606 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5707:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5707 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_taitoz.cpp:5801:21: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5801 |         nLen = TaitoMemEnd - (UINT8 *)0;
      |                            ^ ~~~~~~~~~~

src/burn/drv/taito/d_tnzs.cpp:1100:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1100 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_tnzs.cpp:1396:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1396 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/taito/d_undrfire.cpp:453:27: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  453 |         INT32 nLen = TaitoMemEnd - (UINT8 *)0;
      |                                  ^ ~~~~~~~~~~

src/burn/drv/taito/d_wyvernf0.cpp:426:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  426 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_batrider.cpp:881:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  881 |         nLen = MemEnd - (UINT8*)0;
      |                       ^ ~~~~~~~~~

src/burn/drv/toaplan/d_batrider.cpp:250:1: warning: unused function 'batriderDIPInfo' [-Wunused-function]
  250 | STDDIPINFOEXT(batrider, batriderRegion, batrider)
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

src/burn/drv/toaplan/d_batsugun.cpp:613:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  613 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_battleg.cpp:876:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  876 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_bbakraid.cpp:792:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  792 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_dogyuun.cpp:591:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  591 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_enmadaio.cpp:454:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  454 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_fixeight.cpp:526:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  526 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_ghox.cpp:522:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  522 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_ghox.cpp:667:7: warning: variable 'bVBlank' set but not used [-Wunused-but-set-variable]
  667 |         bool bVBlank = false;
      |              ^

src/burn/drv/toaplan/d_kbash.cpp:535:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  535 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_kbash2.cpp:383:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  383 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_mahoudai.cpp:488:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  488 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_mahoudai.cpp:602:7: warning: variable 'bVBlank' set but not used [-Wunused-but-set-variable]
  602 |         bool bVBlank = false;
      |              ^

src/burn/drv/toaplan/d_pipibibs.cpp:356:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  356 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_pipibibs.cpp:477:7: warning: variable 'bVBlank' set but not used [-Wunused-but-set-variable]
  477 |         bool bVBlank = false;
      |              ^

src/burn/drv/toaplan/d_shippumd.cpp:461:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  461 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_shippumd.cpp:578:7: warning: variable 'bVBlank' set but not used [-Wunused-but-set-variable]
  578 |         bool bVBlank = false;
      |              ^

src/burn/drv/toaplan/d_slapfght.cpp:908:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  908 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_slapfght.cpp:947:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  947 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_snowbro2.cpp:530:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  530 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_tekipaki.cpp:509:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  509 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_truxton2.cpp:519:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  519 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2567:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2567 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2597:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2597 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2626:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2626 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2655:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2655 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2680:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2680 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2705:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2705 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2730:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2730 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2757:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2757 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_toaplan1.cpp:2789:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2789 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_twincobr.cpp:1023:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1023 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_vfive.cpp:464:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  464 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/toaplan/d_wardner.cpp:793:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  793 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_4enraya.cpp:321:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  321 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_1942.cpp:690:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  690 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_1942.cpp:751:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  751 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_1943.cpp:1070:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1070 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_aeroboto.cpp:328:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  328 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_akazukin.cpp:358:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  358 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_alinvade.cpp:144:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  144 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_alpha68k.cpp:673:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  673 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_alpha68k.cpp:769:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  769 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_alpha68k1.cpp:504:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  504 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_alpha68k1.cpp:573:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  573 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_alpha68k2.cpp:1733:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1733 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_alpha68k2.cpp:1801:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1801 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_ambush.cpp:497:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  497 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ambush.cpp:591:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  591 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ambush.cpp:618:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  618 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ambush.cpp:661:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  661 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_amspdwy.cpp:329:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  329 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_arabian.cpp:525:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  525 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_argus.cpp:901:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  901 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_argus.cpp:988:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  988 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_argus.cpp:1060:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1060 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_armedf.cpp:1049:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1049 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_asteroids.cpp:889:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  889 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_asteroids.cpp:918:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  918 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_asteroids.cpp:955:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  955 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_atetris.cpp:302:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  302 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:744:6: warning: variable 'x_count' set but not used [-Wunused-but-set-variable]
  744 |         int x_count = 0;
      |             ^

src/burn/drv/pre90s/d_astrocde.cpp:1849:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1849 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:1889:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1889 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:1922:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1922 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:1954:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1954 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:1993:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1993 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:2032:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2032 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:2065:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2065 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:2125:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2125 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_astrocde.cpp:3000:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 3000 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_aztarac.cpp:387:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  387 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_bagman.cpp:783:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  783 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_baraduke.cpp:462:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  462 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_battlane.cpp:333:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  333 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_battlex.cpp:437:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  437 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bbusters.cpp:734:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  734 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bbusters.cpp:819:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  819 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bbusters.cpp:897:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  897 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_beaminv.cpp:170:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  170 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_beaminv.cpp:262:8: warning: variable 'nCyclesDone' set but not used [-Wunused-but-set-variable]
  262 |         INT32 nCyclesDone = 0;
      |               ^

src/burn/drv/pre90s/d_berzerk.cpp:1059:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1059 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bionicc.cpp:533:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  533 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_blktiger.cpp:481:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  481 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_blockade.cpp:500:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  500 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_blockout.cpp:418:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  418 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_blueprnt.cpp:414:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  414 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bogeyman.cpp:264:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  264 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_bombjack.cpp:308:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  308 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_btime.cpp:1462:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1462 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_btime.cpp:1539:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1539 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_btime.cpp:1609:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1609 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_btime.cpp:1700:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1700 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_btime.cpp:1793:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1793 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bwidow.cpp:691:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  691 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bwidow.cpp:738:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  738 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bwidow.cpp:797:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  797 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bwidow.cpp:842:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  842 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bzone.cpp:675:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  675 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bzone.cpp:728:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  728 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_bzone.cpp:778:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  778 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_cabal.cpp:545:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  545 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_calorie.cpp:321:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  321 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_canyon.cpp:228:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  228 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_capbowl.cpp:315:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  315 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_carjmbre.cpp:256:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  256 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_cbasebal.cpp:278:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  278 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ccastles.cpp:462:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  462 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_champbas.cpp:598:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  598 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_cclimber.cpp:1579:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1579 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_cheekyms.cpp:245:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  245 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_circus.cpp:476:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  476 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_chinagat.cpp:446:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  446 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_citycon.cpp:350:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  350 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_cloak.cpp:386:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  386 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_cloud9.cpp:381:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  381 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_clshroad.cpp:334:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  334 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_commando.cpp:317:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  317 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_cop01.cpp:536:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  536 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_cop01.cpp:619:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  619 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_copsnrob.cpp:264:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  264 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_cybertnk.cpp:474:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  474 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_darkmist.cpp:457:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  457 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_dacholer.cpp:512:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  512 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_dday.cpp:391:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  391 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ddragon.cpp:1064:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1064 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ddayjlc.cpp:368:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  368 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_deadang.cpp:421:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  421 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_djboy.cpp:435:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  435 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_dkong.cpp:1611:60: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1611 |         { { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1000, 470, 220 } },
      |                                                                   ^

src/burn/drv/pre90s/d_dkong.cpp:1612:60: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1612 |           { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1000, 470, 220 } },
      |                                                                   ^

src/burn/drv/pre90s/d_dkong.cpp:1613:60: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1613 |           { RES_NET_AMP_EMITTER,    680, 0, 2, {  470, 220,   0 } } }
      |                                                                   ^

src/burn/drv/pre90s/d_dkong.cpp:1614:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1614 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1618:47: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1618 |         { { RES_NET_AMP_DARLINGTON, 470, 0, 0, { 0 } },
      |                                                      ^

src/burn/drv/pre90s/d_dkong.cpp:1619:47: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1619 |           { RES_NET_AMP_DARLINGTON, 470, 0, 0, { 0 } },
      |                                                      ^

src/burn/drv/pre90s/d_dkong.cpp:1620:47: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1620 |           { RES_NET_AMP_EMITTER,    680, 0, 0, { 0 } } }
      |                                                      ^

src/burn/drv/pre90s/d_dkong.cpp:1621:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1621 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1625:82: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1625 |         { { RES_NET_AMP_DARLINGTON, 470 * TRS_J1, 470*(1-TRS_J1), 3, { 1000, 470, 220 } },
      |                                                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1626:82: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1626 |           { RES_NET_AMP_DARLINGTON, 470 * TRS_J1, 470*(1-TRS_J1), 3, { 1000, 470, 220 } },
      |                                                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1627:82: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1627 |           { RES_NET_AMP_EMITTER,    680 * TRS_J1, 680*(1-TRS_J1), 2, {  470, 220,   0 } } }
      |                                                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1628:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1628 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1632:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1632 |         { { RES_NET_AMP_DARLINGTON, 470, 4700, 0, { 0 } },
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1633:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1633 |           { RES_NET_AMP_DARLINGTON, 470, 4700, 0, { 0 } },
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1634:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1634 |           { RES_NET_AMP_EMITTER,    470, 4700, 0, { 0 } } }
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1635:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1635 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1639:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1639 |         { { RES_NET_AMP_DARLINGTON, 4700, 470, 0, { 0 } },
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1640:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1640 |           { RES_NET_AMP_DARLINGTON,    1,   0, 0, { 0 } },
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1641:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1641 |           { RES_NET_AMP_EMITTER,       1,   0, 0, { 0 } } }
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1642:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1642 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1646:51: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1646 |         { { RES_NET_AMP_DARLINGTON,  470, 4700, 0, { 0 } },
      |                                                          ^

src/burn/drv/pre90s/d_dkong.cpp:1647:51: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1647 |           { RES_NET_AMP_DARLINGTON,  470, 4700, 0, { 0 } },
      |                                                          ^

src/burn/drv/pre90s/d_dkong.cpp:1648:70: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1648 |           { RES_NET_AMP_EMITTER,       0,    0, 8, { 128,64,32,16,8,4,2,1 } } }
      |                                                                             ^

src/burn/drv/pre90s/d_dkong.cpp:1649:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1649 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1653:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1653 |         { { RES_NET_AMP_DARLINGTON,    0,   0, 1, { 1 } },
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1654:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1654 |           { RES_NET_AMP_DARLINGTON,    0,   0, 1, { 1 } },
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1655:50: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1655 |           { RES_NET_AMP_EMITTER,       0,   0, 1, { 1 } } }
      |                                                         ^

src/burn/drv/pre90s/d_dkong.cpp:1656:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1656 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1660:74: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1660 |         { { RES_NET_AMP_DARLINGTON, 0,      0, 4, { 39000, 20000, 10000, 4990 } },
      |                                                                                 ^

src/burn/drv/pre90s/d_dkong.cpp:1661:74: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1661 |           { RES_NET_AMP_DARLINGTON, 0,      0, 4, { 39000, 20000, 10000, 4990 } },
      |                                                                                 ^

src/burn/drv/pre90s/d_dkong.cpp:1662:74: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1662 |           { RES_NET_AMP_EMITTER,    0,      0, 4, { 39000, 20000, 10000, 4990 } } }
      |                                                                                 ^

src/burn/drv/pre90s/d_dkong.cpp:1663:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1663 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1674:71: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1674 |         { { RES_NET_AMP_DARLINGTON, 470,      0, 4, { 2200, 1000, 470, 220 } },
      |                                                                              ^

src/burn/drv/pre90s/d_dkong.cpp:1675:71: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1675 |           { RES_NET_AMP_DARLINGTON, 470,      0, 4, { 2200, 1000, 470, 220 } },
      |                                                                              ^

src/burn/drv/pre90s/d_dkong.cpp:1676:71: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
 1676 |           { RES_NET_AMP_DARLINGTON, 470,      0, 4, { 2200, 1000, 470, 220 } } }
      |                                                                              ^

src/burn/drv/pre90s/d_dkong.cpp:1677:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
 1677 | };
      | ^

src/burn/drv/pre90s/d_dkong.cpp:1901:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1901 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_dkong.cpp:2031:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2031 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_dkong.cpp:2172:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2172 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_dkong.cpp:2262:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2262 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_docastle.cpp:741:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  741 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_dogfgt.cpp:300:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  300 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_dorachan.cpp:148:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  148 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_dorachan.cpp:267:8: warning: variable 'nCyclesDone' set but not used [-Wunused-but-set-variable]
  267 |         INT32 nCyclesDone = 0;
      |               ^

src/burn/drv/pre90s/d_dribling.cpp:227:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  227 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_drmicro.cpp:358:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  358 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_dynduke.cpp:395:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  395 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_efdt.cpp:282:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  282 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_epos.cpp:621:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  621 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_epos.cpp:666:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  666 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_equites.cpp:658:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  658 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_espial.cpp:359:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  359 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_espial.cpp:426:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  426 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ettrivia.cpp:241:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  241 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_exedexes.cpp:354:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  354 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_exerion.cpp:458:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  458 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy440.cpp:866:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  866 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:1284:7: warning: variable 'dac' set but not used [-Wunused-but-set-variable]
 1284 |         bool dac = false;
      |              ^

src/burn/drv/pre90s/d_exidy.cpp:1324:7: warning: variable 'dac' set but not used [-Wunused-but-set-variable]
 1324 |         bool dac = false;
      |              ^

src/burn/drv/pre90s/d_exidy.cpp:1514:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1514 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:1549:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1549 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:1585:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1585 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:2515:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2515 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:2545:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2545 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:2588:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2588 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:2621:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2621 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:2651:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2651 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:2681:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2681 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exidy.cpp:2943:16: warning: use of logical '||' with constant operand [-Wconstant-logical-operand]
 2943 |         if (DrvRecalc || 1) {
      |                       ^  ~

src/burn/drv/pre90s/d_exprraid.cpp:388:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  388 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_exterm.cpp:496:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  496 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_fantland.cpp:461:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  461 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_fantland.cpp:535:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  535 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_fantland.cpp:620:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  620 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_fastfred.cpp:885:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  885 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_firetrap.cpp:629:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  629 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_fcombat.cpp:356:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  356 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_flower.cpp:331:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  331 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_flipjack.cpp:299:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  299 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_foodf.cpp:325:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  325 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_freekick.cpp:1189:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1189 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_freekick.cpp:1246:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1246 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_galaga.cpp:339:41: warning: missing field 'game' initializer [-Wmissing-field-initializers]
  339 | static struct Machine_Def machine = { 0 };
      |                                         ^

src/burn/drv/pre90s/d_funkybee.cpp:365:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  365 |         BurnAllocMemIndex();
      | src/burn/drv/pre90s/d_galaga.cpp:1049:8: warning:         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_galaga.cpp:1933:37: warning: missing field 'scrollY' initializer [-Wmissing-field-initializers]
 1933 | static struct Stars_Def stars = { 0 };
      |                                     ^

src/burn/drv/pre90s/d_galgame.cpp:432:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  432 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_galivan.cpp:687:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  687 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_gaplus.cpp:599:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  599 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_ginganin.cpp:334:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  334 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_gng.cpp:634:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  634 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_goindol.cpp:334:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  334 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_gotya.cpp:273:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  273 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_gridlee.cpp:327:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  327 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_headonb.cpp:112:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  112 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_headonb.cpp:193:8: warning: variable 'nCyclesDone' set but not used [-Wunused-but-set-variable]
  193 |         INT32 nCyclesDone = 0;
      |               ^

src/burn/drv/pre90s/d_gunsmoke.cpp:364:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  364 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_higemaru.cpp:242:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  242 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_himesiki.cpp:438:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  438 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_holeland.cpp:499:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  499 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_hvyunit.cpp:423:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  423 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_invaders.cpp:202:8: warning: unused variable 'Low' [-Wunused-variable]
  202 |         UINT8 Low  = (*last ^ data) & ~data;
      |               ^~~

src/burn/drv/pre90s/d_invaders.cpp:305:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  305 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_iqblock.cpp:344:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  344 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_jack.cpp:1046:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1046 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_jedi.cpp:375:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  375 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_jrpacman.cpp:346:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  346 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_kangaroo.cpp:361:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  361 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_kingofbox.cpp:450:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  450 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_kingofbox.cpp:606:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  606 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_kncljoe.cpp:411:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  411 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ladybug.cpp:740:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  740 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ladybug.cpp:841:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  841 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ladybug.cpp:911:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  911 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_kyugo.cpp:702:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  702 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lasso.cpp:630:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  630 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lasso.cpp:706:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  706 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lasso.cpp:782:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  782 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lasso.cpp:872:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  872 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lastduel.cpp:941:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  941 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lastduel.cpp:1032:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1032 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lastduel.cpp:1117:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1117 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lastduel.cpp:1200:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1200 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lockon.cpp:639:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  639 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lockon.cpp:829:62: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  829 |                         {RES_NET_AMP_NONE, 560, 0, 5, {4700, 2200, 1000, 470, 220}},
      |                                                                                   ^

src/burn/drv/pre90s/d_lockon.cpp:830:62: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  830 |                         {RES_NET_AMP_NONE, 560, 0, 5, {4700, 2200, 1000, 470, 220}},
      |                                                                                   ^

src/burn/drv/pre90s/d_lockon.cpp:831:62: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  831 |                         {RES_NET_AMP_NONE, 560, 0, 5, {4700, 2200, 1000, 470, 220}}
      |                                                                                   ^

src/burn/drv/pre90s/d_lockon.cpp:833:2: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
  833 |         };
      |         ^

src/burn/drv/pre90s/d_lockon.cpp:839:64: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  839 |                         {RES_NET_AMP_NONE, 560, 580, 5, {4700, 2200, 1000, 470, 220}},
      |                                                                                     ^

src/burn/drv/pre90s/d_lockon.cpp:840:64: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  840 |                         {RES_NET_AMP_NONE, 560, 580, 5, {4700, 2200, 1000, 470, 220}},
      |                                                                                     ^

src/burn/drv/pre90s/d_lockon.cpp:841:64: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  841 |                         {RES_NET_AMP_NONE, 560, 580, 5, {4700, 2200, 1000, 470, 220}}
      |                                                                                     ^

src/burn/drv/pre90s/d_lockon.cpp:843:2: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
  843 |         };
      |         ^

src/burn/drv/pre90s/d_lwings.cpp:1133:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1133 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lwings.cpp:1193:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1193 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_lwings.cpp:1279:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1279 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mappy.cpp:1176:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1176 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mappy.cpp:1248:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1248 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mappy.cpp:1320:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1320 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mappy.cpp:1390:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1390 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mappy.cpp:1456:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1456 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mappy.cpp:1523:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1523 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mappy.cpp:1591:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1591 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mainsnk.cpp:393:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  393 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_marineb.cpp:817:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  817 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mario.cpp:542:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  542 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_magmax.cpp:384:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  384 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_markham.cpp:668:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  668 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_markham.cpp:786:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  786 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_markham.cpp:859:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  859 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mastboyo.cpp:191:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  191 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mastboyo.cpp:362:8: warning: variable 'nCyclesDone' set but not used [-Wunused-but-set-variable]
  362 |         INT32 nCyclesDone = 0;
      |               ^

src/burn/drv/pre90s/d_matmania.cpp:505:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  505 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mcr.cpp:1103:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1103 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mcr3.cpp:1091:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1091 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mcr3.cpp:1140:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1140 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mcr68.cpp:1086:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1086 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mcr68.cpp:1146:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1146 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mcr68.cpp:1194:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1194 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_megasys1.cpp:2755:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2755 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_metlfrzr.cpp:326:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  326 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_meijinsn.cpp:291:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  291 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_miconkit.cpp:193:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  193 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mhavoc.cpp:616:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  616 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mhavoc.cpp:679:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  679 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_millipede.cpp:947:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  947 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_millipede.cpp:984:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  984 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_millipede.cpp:1019:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1019 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_millipede.cpp:1054:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1054 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mirax.cpp:266:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  266 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mjkjidai.cpp:314:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  314 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mmagic.cpp:188:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  188 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mole.cpp:241:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  241 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_momoko.cpp:405:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  405 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mrdo.cpp:324:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  324 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mouser.cpp:383:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  383 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mrjong.cpp:361:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  361 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mrflea.cpp:311:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  311 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_munchmo.cpp:376:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  376 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_mustache.cpp:367:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  367 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_mystston.cpp:329:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  329 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pst90s/d_namcona1.cpp:648:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  648 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pst90s/d_namconb1.cpp:1060:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1060 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pst90s/d_namconb1.cpp:358:20: warning: unused function 'sync_mcu' [-Wunused-function]
  358 | static inline void sync_mcu()
      |                    ^~~~~~~~

src/burn/drv/pre90s/d_namcos86.cpp:1285:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1285 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_nitedrvr.cpp:862:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  862 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ninjakd2.cpp:1008:7: warning: explicitly assigning value of variable of type 'UINT8' (aka 'unsigned char') to itself [-Wself-assign]
 1008 |         data = data;
      |         ~~~~ ^ ~~~~

src/burn/drv/pre90s/d_ninjakd2.cpp:1216:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1216 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ninjakd2.cpp:1294:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1294 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ninjakd2.cpp:1350:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1350 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ninjakd2.cpp:1428:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1428 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_naughtyb.cpp:372:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  372 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_olibochu.cpp:348:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  348 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_pacland.cpp:458:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  458 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_omegrace.cpp:342:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  342 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_pac2650.cpp:331:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  331 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_pbaction.cpp:399:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  399 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_pacman.cpp:2847:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 2847 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_phoenix.cpp:676:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  676 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_pengadvb.cpp:309:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  309 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_pitnrun.cpp:465:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  465 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_pkunwar.cpp:939:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  939 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_pkunwar.cpp:990:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  990 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_pkunwar.cpp:1052:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1052 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_pkunwar.cpp:1123:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1123 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_popeye.cpp:305:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  305 |                 { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1000, 470, 220 } },
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:306:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  306 |                 { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1000, 470, 220 } },
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:307:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  307 |                 { RES_NET_AMP_DARLINGTON, 680, 0, 2, {  470, 220,   0 } }
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:309:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
  309 | };
      | ^

src/burn/drv/pre90s/d_popeye.cpp:315:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  315 |                 { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1200, 680, 470 } },
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:316:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  316 |                 { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1200, 680, 470 } },
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:317:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  317 |                 { RES_NET_AMP_DARLINGTON, 680, 0, 2, {  680, 470,   0 } }
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:319:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
  319 | };
      | ^

src/burn/drv/pre90s/d_popeye.cpp:326:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  326 |                 { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1000, 470, 220 } },
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:327:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  327 |                 { RES_NET_AMP_DARLINGTON, 470, 0, 3, { 1000, 470, 220 } },
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:328:59: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  328 |                 { RES_NET_AMP_DARLINGTON, 680, 0, 2, {  470, 220,   0 } }
      |                                                                         ^

src/burn/drv/pre90s/d_popeye.cpp:330:1: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
  330 | };
      | ^

src/burn/drv/pre90s/d_popeye.cpp:723:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  723 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_popper.cpp:348:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  348 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_prehisle.cpp:367:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  367 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_punchout.cpp:633:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  633 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_psychic5.cpp:444:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  444 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_pturn.cpp:364:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  364 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_qbert.cpp:1734:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1734 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_quizo.cpp:153:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  153 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_r2dtank.cpp:277:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  277 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_rallyx.cpp:1272:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1272 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_rallyx.cpp:1313:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1313 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_rallyx.cpp:1359:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1359 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_rallyx.cpp:1412:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1412 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_rallyx.cpp:1462:16: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1462 |         nLen = MemEnd - (UINT8 *)0;
      |                       ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_redclash.cpp:479:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  479 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_redclash.cpp:530:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  530 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_redclash.cpp:585:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  585 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_renegade.cpp:706:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  706 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_quantum.cpp:358:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  358 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_safarir.cpp:234:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  234 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_route16.cpp:554:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  554 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_rpunch.cpp:549:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  549 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_sauro.cpp:513:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  513 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_sauro.cpp:588:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  588 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_scregg.cpp:390:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  390 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_scregg.cpp:519:8: warning: variable 'nCyclesRun' set but not used [-Wunused-but-set-variable]
  519 |         INT32 nCyclesRun = 0;
      |               ^

src/burn/drv/pre90s/d_seicross.cpp:461:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  461 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_senjyo.cpp:583:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  583 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_senjyo.cpp:645:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  645 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_sf.cpp:750:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  750 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_shangkid.cpp:553:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  553 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_shangkid.cpp:764:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  764 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_shisen.cpp:355:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  355 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_sidearms.cpp:827:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  827 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_sidearms.cpp:902:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  902 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_sidearms.cpp:978:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  978 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_skyarmy.cpp:378:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  378 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_skyfox.cpp:262:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  262 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_skykid.cpp:574:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  574 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_snk6502.cpp:1106:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1106 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk6502.cpp:1161:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1161 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk6502.cpp:1217:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1217 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk6502.cpp:1271:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1271 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk6502.cpp:1328:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1328 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk6502.cpp:1387:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1387 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk6502.cpp:1455:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1455 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4271:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4271 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4325:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4325 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4391:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4391 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4456:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4456 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4512:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4512 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4573:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4573 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4641:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4641 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4693:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4693 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4752:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4752 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4811:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4811 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4870:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4870 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4925:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4925 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:4981:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 4981 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:5036:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5036 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:5085:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5085 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:5157:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5157 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:5213:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5213 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:5266:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5266 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk.cpp:5319:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 5319 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_snk68.cpp:1188:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1188 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_solomon.cpp:313:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  313 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_spacefb.cpp:290:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  290 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_sonson.cpp:350:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  350 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_spdodgeb.cpp:488:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  488 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_spbactn.cpp:469:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  469 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_spbactn.cpp:550:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  550 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_speedbal.cpp:399:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  399 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_splndrbt.cpp:481:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  481 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_sprcros2.cpp:280:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  280 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_sstrangr.cpp:227:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  227 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_srumbler.cpp:368:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  368 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_ssozumo.cpp:307:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  307 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_starwars.cpp:831:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  831 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_stfight.cpp:490:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  490 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_stfight.cpp:655:15: warning: result of comparison of constant -1 with expression of type 'UINT16' (aka 'unsigned short') is always false [-Wtautological-constant-out-of-range-compare]
  655 |                         if (src[x] == -1)
      |                             ~~~~~~ ^  ~~

src/burn/drv/pre90s/d_stuntair.cpp:302:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  302 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_sub.cpp:285:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  285 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_suna8.cpp:1289:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1289 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_suna8.cpp:1364:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1364 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_suna8.cpp:1522:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1522 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_suna8.cpp:1619:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1619 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_suna8.cpp:1716:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1716 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_tagteam.cpp:335:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  335 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_tagteam.cpp:422:60: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  422 |                 {{ RES_NET_AMP_EMITTER, 4700, 0, 3, { 4700, 3300, 1500 } },
      |                                                                          ^

src/burn/drv/pre90s/d_tagteam.cpp:423:60: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  423 |                  { RES_NET_AMP_EMITTER, 4700, 0, 3, { 4700, 3300, 1500 } },
      |                                                                          ^

src/burn/drv/pre90s/d_tagteam.cpp:424:60: warning: missing field 'minout' initializer [-Wmissing-field-initializers]
  424 |                  { RES_NET_AMP_EMITTER, 4700, 0, 2, {       3300, 1500 } }}
      |                                                                          ^

src/burn/drv/pre90s/d_tagteam.cpp:425:2: warning: missing field 'vcc' initializer [-Wmissing-field-initializers]
  425 |         };
      |         ^

src/burn/drv/pre90s/d_tankbatt.cpp:271:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  271 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_tankbust.cpp:345:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  345 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_taxidriv.cpp:500:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  500 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_tbowl.cpp:447:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  447 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_tail2nose.cpp:394:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  394 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_tail2nose.cpp:474:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  474 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_tceptor.cpp:635:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  635 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_tecmo.cpp:706:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  706 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_tecmo.cpp:787:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  787 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_tecmo.cpp:871:22: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  871 |         INT32 nLen = MemEnd - (UINT8 *)0;
      |                             ^ ~~~~~~~~~~

src/burn/drv/pre90s/d_tempest.cpp:363:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  363 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_tehkanwc.cpp:1170:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
 1170 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_terracre.cpp:592:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  592 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_terracre.cpp:625:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  625 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~

src/burn/drv/pre90s/d_thedeep.cpp:377:2: warning: performing pointer subtraction with a null pointer may have undefined behavior [-Wnull-pointer-subtraction]
  377 |         BurnAllocMemIndex();
      |         ^~~~~~~~~~~~~~~~~~~