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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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1 change: 1 addition & 0 deletions src/mame/mame.lst
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Expand Up @@ -34578,6 +34578,7 @@ mduckspa // Mega Duck / Super Quique (Spain)

@source:nintendo/gba.cpp
gba // Nintendo Game Boy Advance Handheld
gbplayer // Nintendo Game Boy Player (GameCube add-on)
robotech // Coleco

@source:nintendo/mario.cpp
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19 changes: 17 additions & 2 deletions src/mame/nintendo/gb.cpp
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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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21 changes: 20 additions & 1 deletion src/mame/nintendo/gba.cpp
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Expand Up @@ -8,6 +8,14 @@

By R. Belmont & Ryan Holtz

Game Boy Player (DOL-017) is a hardware add-on for the GameCube to
run GB/GBC/GBA games on the TV, normally requiring a special boot
disc in the GameCube to operate. It is mostly normal GBA hardware
with inputs and outputs adjusted for TV player. This unit is
currently not working, as it fails to boot. The BIOS only differs
by a few bytes, but the hardware might need to be initialized in
another manner.

***************************************************************************/

#include "emu.h"
Expand Down Expand Up @@ -1496,7 +1504,17 @@ 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( gbplayer )
ROM_REGION ( 0x4000, "maincpu", 0 )
ROM_LOAD("gbplayer.bin", 0x000000, 0x004000, CRC(3f02ea8f) SHA1(3d4b5d095576f5b994bf62c00cac9428a88b2b78) )
ROM_END

ROM_START( robotech )
Expand All @@ -1506,6 +1524,7 @@ ROM_END

// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
CONS(2001, gba, 0, 0, gbadv_cons, gbadv_cons, gba_cons_state, empty_init, "Nintendo", "Game Boy Advance", MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_GRAPHICS | MACHINE_IMPERFECT_SOUND)
CONS(2003, gbplayer, gba, 0, gbadv_cons, gbadv_cons, gba_cons_state, empty_init, "Nintendo", "Game Boy Player", MACHINE_NOT_WORKING)

// this is a single game reissue of "Robotech - The Macross Saga (Euro, USA)" on the GBA but with double
// sized ROM (BIOS replacement in first half?) and other mods. It is unclear how compatible this is with
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