They work here . I never did anything like that .
Roms are loaded like this
The code I posted above goes into vidhrdw\cps1.c
ROM_START( 1944jnx )
ROM_REGION( CODE_SIZE, REGION_CPU1, 0 ) /* 68000 code */
ROM_LOAD16_WORD_SWAP( "nffj.03", 0x000000, 0x80000, CRC(247521ef) SHA1(c6a04f514dd5ab40d8813dcfb8430bce54e7aa28) )
ROM_LOAD16_WORD_SWAP( "nff.04", 0x080000, 0x80000, CRC(dba1c66e) SHA1(4764e77d4da5d19d9acded27df1e1bcba06b0fcf) )
ROM_LOAD16_WORD_SWAP( "nffj.05", 0x100000, 0x80000, CRC(7f20c2ef) SHA1(380dc54d94c29c049a4c00ed58013e04eec87086) )
ROM_REGION16_BE( CODE_SIZE, REGION_USER1, 0 )
ROM_LOAD16_WORD_SWAP( "1944j-decode.bin", 0x000000, 0x400000, CRC(6d6fe584) SHA1(9815662dc823cc603a6dbc868fe7428bc4a22304) )
ROM_REGION( 0x2000000, REGION_GFX1, 0 )
ROMX_LOAD( "nff.13m", 0x0000000, 0x400000, CRC(c9fca741) SHA1(1781d4fc18b6d6f79b7b39d9bcace750fb61a5cf) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "nff.15m", 0x0000002, 0x400000, CRC(f809d898) SHA1(a0b6af49e1780678d808c317b875161cedddb314) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "nff.17m", 0x0000004, 0x400000, CRC(15ba4507) SHA1(bed6a82bf1dc1aa501d4c2d098115a15e18d446a) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "nff.19m", 0x0000006, 0x400000, CRC(3dd41b8c) SHA1(676078baad789e25f6e5a79de29672587be7ff00) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "nff.14m", 0x1000000, 0x100000, CRC(3fe3a54b) SHA1(0a8e5cae141d24fd8b3cb11796c44728b0acd69e) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "nff.16m", 0x1000002, 0x100000, CRC(565cd231) SHA1(0aecd433fb4ca2de1aca9fbb1e314fb1f6979321) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "nff.18m", 0x1000004, 0x100000, CRC(63ca5988) SHA1(30137fa77573c84bcc24570bccb7dba61ddb413c) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "nff.20m", 0x1000006, 0x100000, CRC(21eb8f3b) SHA1(efa69f19a958047dd91a294c88857ed3133fcbef) , ROM_GROUPWORD | ROM_SKIP(6) )
ROM_REGION( QSOUND_SIZE, REGION_CPU2, 0 ) /* 64k for the audio CPU (+banks) */
ROM_LOAD( "nff.01", 0x00000, 0x08000, CRC(d2e44318) SHA1(33e45f6fe9fed098a4c072b8c39406aef1a949b2) )
ROM_CONTINUE( 0x10000, 0x18000 )
ROM_REGION( 0x800000, REGION_SOUND1, 0 ) /* QSound samples */
ROM_LOAD16_WORD_SWAP( "nff.11m", 0x000000, 0x400000, CRC(243e4e05) SHA1(83281f7290ac105a3f9a7507cbc11317d45ba706) )
ROM_LOAD16_WORD_SWAP( "nff.12m", 0x400000, 0x400000, CRC(4fcf1600) SHA1(36f18c5d92b79433bdf7088b29a244708929d48e) )
ROM_END
ROM_START( sfa3nx )
ROM_REGION( CODE_SIZE, REGION_CPU1, 0 ) /* 68000 code */
ROM_LOAD16_WORD_SWAP( "sz3u.03c", 0x000000, 0x80000, CRC(e007da2e) SHA1(d190ac7ca2c27f11b9b4f96860b226bbea0ee403) )
ROM_LOAD16_WORD_SWAP( "sz3u.04c", 0x080000, 0x80000, CRC(5f78f0e7) SHA1(f4df30fd3515fe9f1125f470b96028052c61f57b) )
ROM_LOAD16_WORD_SWAP( "sz3.05c", 0x100000, 0x80000, CRC(57fd0a40) SHA1(bc2d5f4d57117bbf58b1adb088e00424ef489e92) )
ROM_LOAD16_WORD_SWAP( "sz3.06c", 0x180000, 0x80000, CRC(f6305f8b) SHA1(3fd1ebdbad96103aca604e950b488e52460a71ec) )
ROM_LOAD16_WORD_SWAP( "sz3.07c", 0x200000, 0x80000, CRC(6eab0f6f) SHA1(f8d093dda65cf4e8a3000dc1b96355bb03dcb495) )
ROM_LOAD16_WORD_SWAP( "sz3.08c", 0x280000, 0x80000, CRC(910c4a3b) SHA1(dbd41280f9b16ad6a5b8f12092549970349395f1) )
ROM_LOAD16_WORD_SWAP( "sz3.09c", 0x300000, 0x80000, CRC(b29e5199) SHA1(c6c215eb5aa37f678a9cafcbd8620969fb5ca12f) )
ROM_LOAD16_WORD_SWAP( "sz3.10b", 0x380000, 0x80000, CRC(deb2ff52) SHA1(0aa4722aad68a04164946c78bf05752f947b4322) )
ROM_REGION16_BE( CODE_SIZE, REGION_USER1, 0 )
ROM_LOAD16_WORD_SWAP( "sfa3-decode.bin", 0x000000, 0x400000, CRC(d959a011) SHA1(f95fcf0de791db5a610e76b637a67af4d9bde4c1) )
ROM_REGION( 0x2000000, REGION_GFX1, 0 )
ROMX_LOAD( "sz3.13m", 0x0000000, 0x400000, CRC(0f7a60d9) SHA1(c69e0ee22537312909dacc86d2e4be319d54e426) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "sz3.15m", 0x0000002, 0x400000, CRC(8e933741) SHA1(f4ac4bfe830dc7df9fe4f680e4e0c053e7cbd8fe) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "sz3.17m", 0x0000004, 0x400000, CRC(d6e98147) SHA1(37f331fbb1284db446faecade6f484f58c0e1b2a) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "sz3.19m", 0x0000006, 0x400000, CRC(f31a728a) SHA1(f14136564648f006c1b74afda78349f260524b5f) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "sz3.14m", 0x1000000, 0x400000, CRC(5ff98297) SHA1(9e0ce43380b776c7a03872bafd4856f6fa60bda7) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "sz3.16m", 0x1000002, 0x400000, CRC(52b5bdee) SHA1(7918204dc457f7a146d8fb8cf7242dfed3109fd8) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "sz3.18m", 0x1000004, 0x400000, CRC(40631ed5) SHA1(c18c56822b90a71ca5fbdf3440eb2671011f3d8f) , ROM_GROUPWORD | ROM_SKIP(6) )
ROMX_LOAD( "sz3.20m", 0x1000006, 0x400000, CRC(763409b4) SHA1(af60a5116c1ca9050366a35ea29128921867f3cc) , ROM_GROUPWORD | ROM_SKIP(6) )
ROM_REGION( QSOUND_SIZE, REGION_CPU2, 0 ) /* 64k for the audio CPU (+banks) */
ROM_LOAD( "sz3.01", 0x00000, 0x08000, CRC(de810084) SHA1(fd0b969b732921ed8b40c16fbfa30ee09c7a7cbd) )
ROM_CONTINUE( 0x10000, 0x18000 )
ROM_LOAD( "sz3.02", 0x28000, 0x20000, CRC(72445dc4) SHA1(14fca7596ac45ba655016eef5b6120f9f9671c23) )
ROM_REGION( 0x800000, REGION_SOUND1, 0 ) /* QSound samples */
ROM_LOAD16_WORD_SWAP( "sz3.11m", 0x000000, 0x400000, CRC(1c89eed1) SHA1(649a0b0a3eb72e2e69e9fb1ac51a58b70daa39f3) )
ROM_LOAD16_WORD_SWAP( "sz3.12m", 0x400000, 0x400000, CRC(f392b13a) SHA1(fa04ce0370144a49bd1d5acd873eef87b0dc9d15) )
ROM_END
And I have the rest of it done this way
GAME( 2000, 1944jnx, 1944, cps2, 19xx, cps2_noxor, ROT0, "Capcom, supported by Eighting/Raizing", "1944: The Loop Master (Japan 000620 / NO XOR)", 0 )
GAME( 1998, sfa3nx, sfa3, cps2, ssf2, cps2_noxor, ROT0, "Capcom", "Street Fighter Alpha 3 (US 980904 / NO XOR)", 0 )
GAME( 2001, progeara, progear, cps2, sgemf, cps2_noxor, ROT0, "Capcom, supported by Cave", "Progear (Asia 010117 / NO XOR)", 0 )