/****
These are the known Bios Roms, Set options.bios to the one you want
****/
SYSTEM_BIOS_START( neogeo )
SYSTEM_BIOS_ADD( 0, "euro", "Europe MVS (Ver. 2)" )
SYSTEM_BIOS_ADD( 1, "euro-s1", "Europe MVS (Ver. 1)" )
SYSTEM_BIOS_ADD( 2, "us", "US MVS (Ver. 2?)" )
SYSTEM_BIOS_ADD( 3, "us-e", "US MVS (Ver. 1)" )
SYSTEM_BIOS_ADD( 4, "asia", "Asia MVS (Ver. 3)" )
SYSTEM_BIOS_ADD( 5, "japan", "Japan MVS (Ver. 3)" )
SYSTEM_BIOS_ADD( 6, "japan-s2", "Japan MVS (Ver. 2)" )
SYSTEM_BIOS_ADD( 7, "japan-s1", "Japan MVS (Ver. 1)" )
SYSTEM_BIOS_ADD( 8, "uni-bios.10","Unibios MVS (Ver. 1.0)" )
SYSTEM_BIOS_ADD( 9, "uni-bios.11","Unibios MVS (Ver. 1.1)" )
SYSTEM_BIOS_ADD( 10, "uni-bios.12","Unibios MVS (Ver. 1.2)" )
SYSTEM_BIOS_ADD( 11, "uni-bios.13","Unibios MVS (Ver. 1.3)" )
SYSTEM_BIOS_ADD( 12, "uni-bios.20","Unibios MVS (Ver. 2.0)" )
SYSTEM_BIOS_ADD( 13, "uni-bios.21","Unibios MVS (Ver. 2.1)" )
SYSTEM_BIOS_ADD( 14, "debug", "Debug MVS (Hack?)" )
// SYSTEM_BIOS_ADD( 15, "asia-aes", "Asia AES" )
SYSTEM_BIOS_END
#define ROM_LOAD16_WORD_SWAP_BIOS(bios,name,offset,length,hash) \
ROMX_LOAD(name, offset, length, hash, ROM_GROUPWORD | ROM_REVERSE | ROM_BIOS(bios+1)) /* Note '+1' */
#define NEOGEO_BIOS \
ROM_LOAD16_WORD_SWAP_BIOS( 0, "sp-s2.sp1", 0x00000, 0x020000, CRC(9036d879) SHA1(4f5ed7105b7128794654ce82b51723e16e389543) ) /* Europe, 1 Slot, has also been found on a 4 Slot (the old hacks were designed for this one) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 1, "sp-s.sp1", 0x00000, 0x020000, CRC(c7f2fa45) SHA1(09576ff20b4d6b365e78e6a5698ea450262697cd) ) /* Europe, 4 Slot */ \
ROM_LOAD16_WORD_SWAP_BIOS( 2, "usa_2slt.bin", 0x00000, 0x020000, CRC(e72943de) SHA1(5c6bba07d2ec8ac95776aa3511109f5e1e2e92eb) ) /* US, 2 Slot */ \
ROM_LOAD16_WORD_SWAP_BIOS( 3, "sp-e.sp1", 0x00000, 0x020000, CRC(2723a5b5) SHA1(5dbff7531cf04886cde3ef022fb5ca687573dcb8) ) /* US, 6 Slot (V5?) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 4, "asia-s3.rom", 0x00000, 0x020000, CRC(91b64be3) SHA1(720a3e20d26818632aedf2c2fd16c54f213543e1) ) /* Asia */ \
ROM_LOAD16_WORD_SWAP_BIOS( 5, "vs-bios.rom", 0x00000, 0x020000, CRC(f0e8f27d) SHA1(ecf01eda815909f1facec62abf3594eaa8d11075) ) /* Japan, Ver 6 VS Bios */ \
ROM_LOAD16_WORD_SWAP_BIOS( 6, "sp-j2.rom", 0x00000, 0x020000, CRC(acede59c) SHA1(b6f97acd282fd7e94d9426078a90f059b5e9dd91) ) /* Japan, Older */ \
ROM_LOAD16_WORD_SWAP_BIOS( 7, "sp1.jipan.1024",0x00000, 0x020000, CRC(9fb0abe4) SHA1(18a987ce2229df79a8cf6a84f968f0e42ce4e59d) ) /* Japan, Older */ \
ROM_LOAD16_WORD_SWAP_BIOS( 8, "uni-bios.10", 0x00000, 0x020000, CRC(0ce453a0) SHA1(3b4c0cd26c176fc6b26c3a2f95143dd478f6abf9) ) /* Universe Bios v1.0 (hack) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 9, "uni-bios.11", 0x00000, 0x020000, CRC(5dda0d84) SHA1(4153d533c02926a2577e49c32657214781ff29b7) ) /* Universe Bios v1.1 (hack) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 10, "uni-bios.12", 0x00000, 0x020000, CRC(4fa698e9) ) /* Universe Bios v1.2 (hack) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 11, "uni-bios.13", 0x00000, 0x020000, CRC(b24b44a0) ) /* Universe Bios v1.3 (hack) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 12, "uni-bios.20", 0x00000, 0x020000, CRC(0c12c2ad) ) /* Universe Bios v2.0 (hack) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 13, "uni-bios.21", 0x00000, 0x020000, CRC(8dabf76b) ) /* Universe Bios v2.1 (hack) */ \
ROM_LOAD16_WORD_SWAP_BIOS( 14, "neodebug.rom", 0x00000, 0x020000, CRC(698ebb7d) SHA1(081c49aa8cc7dad5939833dc1b18338321ea0a07) ) /* Debug (Development) Bios */ \
// ROM_LOAD16_WORD_SWAP_BIOS( 15, "aes-bios.bin", 0x00000, 0x020000, CRC(d27a71f1) SHA1(1b3b22092f30c4d1b2c15f04d1670eb1e9fbea07) ) /* AES Console (Asia?) Bios */
That's from my neogeo.c , and it works for me. Don't load all 16 files, if you want to load AES Bios, then remark out something else you don't care about and change the numbers to refelct that.
