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botanic2: fix protection read value and use the dumped PROM instead of bagman's

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David Haywood 2021-10-05 13:27:24 +01:00 committed by GitHub
parent bb9cc7e8f1
commit 870b91da8c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 13 additions and 4 deletions
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16
src/mame/drivers/bagman.cpp
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@ -948,8 +948,8 @@ ROM_START( botanic2 ) // PCB has Valadon logo with 'bajo licencia Itisa (Palamos
ROM_LOAD( "1.1c", 0x0000, 0x1000, CRC(a1148d89) SHA1(b1424693cebc410749216457d07bae54b903bc07) )
ROM_LOAD( "3.1f", 0x1000, 0x1000, CRC(70be5565) SHA1(a7eab667a82d3e7321f393073f29c6e5e865ec6b) )
ROM_REGION( 0x0040, "proms", 0 ) // strangely uses one PROM from bagman and one from botanic
ROM_LOAD( "82s123.6r", 0x0000, 0x0020, CRC(2a855523) SHA1(91e032233fee397c90b7c1662934aca9e0671482) )
ROM_REGION( 0x0040, "proms", 0 ) // the PCB incorrectly had a bagman PROM left in place, we're using the one from the other Botanic sets instead but marked as BAD_DUMP
ROM_LOAD( "bota_3p.3p", 0x0000, 0x0020, BAD_DUMP CRC(a8a2ddd2) SHA1(fc2da863d13e92f7682f393a08bc9357841ae7ea) )
ROM_LOAD( "b-tbp18s030.3r", 0x0020, 0x0020, CRC(edf88f34) SHA1(b9c342d51303d552f87df2543a34e38c30acd07c) )
ROM_REGION( 0x0020, "5110ctrl", 0)
@ -1260,6 +1260,14 @@ void bagman_state::init_bagmans3()
m_maincpu->space(AS_PROGRAM).install_read_handler(0xed01, 0xed01, read8smo_delegate(*this, []() { return 0x01; }, "hack_r"));
}
void bagman_state::init_botanic2()
{
// the protection PAL here must have been changed, the code checks for a fixed value of 0x0b
// if this isn't returned the title screen bank doesn't get set correctly, there is a garbage enemy
// tile at the top left corner of the 2nd screen, and the player moves very slowly on the 2nd stage
m_maincpu->space(AS_PROGRAM).install_read_handler(0xa000, 0xa000, read8smo_delegate(*this, []() { return 0x0b; }, "prot_r"));
}
GAME( 1982, bagman, 0, bagman, bagman, bagman_state, empty_init, ROT270, "Valadon Automation", "Bagman", MACHINE_SUPPORTS_SAVE )
GAME( 1982, bagnard, bagman, bagman, bagman, bagman_state, empty_init, ROT270, "Valadon Automation", "Le Bagnard (set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1982, bagnarda, bagman, bagman, bagman, bagman_state, empty_init, ROT270, "Valadon Automation", "Le Bagnard (set 2)", MACHINE_SUPPORTS_SAVE )
@ -1277,8 +1285,8 @@ GAME( 1984, sbagmans, sbagman, sbagman, sbagman, bagman_state, empty_init,
GAME( 1983, pickin, 0, pickin, pickin, pickin_state, empty_init, ROT270, "Valadon Automation", "Pickin'", MACHINE_SUPPORTS_SAVE )
GAME( 1983, botanic, 0, botanic, botanici, pickin_state, empty_init, ROT90, "Itisa", "Botanic (English / Spanish, set 1)", MACHINE_SUPPORTS_SAVE )
GAME( 1983, botanic2, botanic, bagman, botanici2, bagman_state, empty_init, ROT90, "Itisa", "Botanic (English / Spanish, set 2)", MACHINE_IMPERFECT_GRAPHICS | MACHINE_WRONG_COLORS | MACHINE_SUPPORTS_SAVE ) // At the title screen, Botanic in corrupted in the first loop, OK from the second on. Colors likely wrong, too.
GAME( 1983, botanic, 0, botanic, botanici, pickin_state, empty_init, ROT90, "Itisa", "Botanic (English / Spanish)", MACHINE_SUPPORTS_SAVE )
GAME( 1983, botanic2, botanic, bagman, botanici2, bagman_state, init_botanic2, ROT90, "Itisa", "Botanic (English / Spanish, Bagman conversion)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, botanicf, botanic, botanic, botanicf, pickin_state, empty_init, ROT270, "Itisa (Valadon Automation license)", "Botanic (French)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, squaitsa, 0, botanic, squaitsa, squaitsa_state, empty_init, ROT0, "Itisa", "Squash (Itisa)", MACHINE_SUPPORTS_SAVE )

1
src/mame/includes/bagman.h
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@ -32,6 +32,7 @@ public:
void sbagmani(machine_config &config);
void init_bagmans3();
void init_botanic2();
protected:
// common