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Game Boy: add new BIOS variants #12963

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Game Boy: add new BIOS variants #12963

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e1cb14a
Game Boy: add new BIOS variants and gbplayer (not working GBA clone)
chungy Nov 11, 2024
20031eb
gba: rename agb-beta bios to agb-proto
chungy Nov 11, 2024
f37248c
gba: remove gbplayer hack console
chungy Nov 11, 2024
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19 changes: 17 additions & 2 deletions src/mame/nintendo/gb.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1243,8 +1243,23 @@ ROM_END

ROM_START(gbcolor)
ROM_REGION(0x800, "maincpu", 0)
ROM_LOAD("gbc_boot.1", 0x0000, 0x0100, CRC(779ea374) SHA1(e4b40c9fd593a97a1618cfb2696f290cf9596a62)) // Bootstrap code part 1
ROM_LOAD("gbc_boot.2", 0x0100, 0x0700, CRC(f741807d) SHA1(f943b1e0b640cf1d371e1d8f0ada69af03ebb396)) // Bootstrap code part 2

// The international Game Boy Color hardware (CGB-001)
ROM_SYSTEM_BIOS(0, "cgb-v1", "Game Boy Color v1 CGB-001")
ROMX_LOAD("gbc_v1_boot.1", 0x0000, 0x0100, CRC(779ea374) SHA1(e4b40c9fd593a97a1618cfb2696f290cf9596a62), ROM_BIOS(0) ) // Bootstrap code part 1
ROMX_LOAD("gbc_v1_boot.2", 0x0100, 0x0700, CRC(f741807d) SHA1(f943b1e0b640cf1d371e1d8f0ada69af03ebb396), ROM_BIOS(0) ) // Bootstrap code part 2

// (Older?) Japanese units used another version of the BIOS
ROM_SYSTEM_BIOS(1, "cgb-v0", "Game Boy Color v0 (Japan) CGB-001")
ROMX_LOAD("gbc_v0_boot.1", 0x0000, 0x0100, CRC(7edc621b) SHA1(8fc5f2e25b2cf480d378e4463c89bd0aecdfb21f), ROM_BIOS(1) )
ROMX_LOAD("gbc_v0_boot.2", 0x0100, 0x0700, CRC(2a16a329) SHA1(03c0cbfcb7e6a239e25cfb90cafae81087c465f6), ROM_BIOS(1) )

// Game Boy Advance includes a modified version of the BIOS code.
// Some games (shantae, wendy, zeldaage, zeldasea) use CPU register values
// set by it to enable GBA-exclusive features.
ROM_SYSTEM_BIOS(2, "agb", "Game Boy Advance AGB-001")
ROMX_LOAD("gbc_gba_boot.1", 0x0000, 0x0100, CRC(3c2ef5a4) SHA1(8c43360930ebc42a909cff736800606c697d59ea), ROM_BIOS(2) )
ROMX_LOAD("gbc_gba_boot.2", 0x0100, 0x0700, CRC(5f940766) SHA1(ba7ab25014e23d8b902b514571e1e21cc42d370f), ROM_BIOS(2) )
ROM_END

ROM_START(megaduck)
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7 changes: 6 additions & 1 deletion src/mame/nintendo/gba.cpp
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Expand Up @@ -1496,7 +1496,12 @@ void gba_robotech_state::gbadv_robotech(machine_config &config)

ROM_START( gba )
ROM_REGION( 0x4000, "maincpu", 0 )
ROM_LOAD( "gba.bin", 0x000000, 0x004000, CRC(81977335) SHA1(300c20df6731a33952ded8c436f7f186d25d3492) )

ROM_SYSTEM_BIOS(0, "agb-v1", "Game Boy Advance (AGB-001)")
ROMX_LOAD( "gba.bin", 0x000000, 0x004000, CRC(81977335) SHA1(300c20df6731a33952ded8c436f7f186d25d3492), ROM_BIOS(0) )

ROM_SYSTEM_BIOS(1, "agb-proto", "Game Boy Advance (prototype)")
ROMX_LOAD( "gba-proto.bin", 0x000000, 0x004000, CRC(15e1f676) SHA1(aa98a2ad32b86106340665d1222d7d973a1361c7), ROM_BIOS(1) )
ROM_END

ROM_START( robotech )
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