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Cherry Bonus III (set 4, encrypted bootleg). Fixed both

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graphics banks decryption/decode. [Roberto Fresca, ANY]
This commit is contained in:
Roberto Fresca 2014-03-07 02:15:13 +00:00
parent 5ffc51f3c1
commit b459bdce3d
1 changed files with 14 additions and 15 deletions
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29
src/mame/drivers/goldstar.c
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@ -12068,33 +12068,32 @@ DRIVER_INIT_MEMBER(goldstar_state, super9)
DRIVER_INIT_MEMBER(goldstar_state, cb3e)
{
int A;
/* program bitswap */
int i;
UINT8 *ROM = memregion("maincpu")->base();
do_blockswaps(ROM);
// a data bitswap
for (A = 0;A < 0x10000;A++)
for (i = 0; i < 0x10000; i++)
{
UINT8 dat = ROM[A];
dat = BITSWAP8(dat,5,6,3,4,7,2,1,0);
ROM[A] = dat;
UINT8 dat = ROM[i];
dat = BITSWAP8(dat, 5, 6, 3, 4, 7, 2, 1, 0);
ROM[i] = dat;
}
dump_to_file(ROM);
int i;
/* bank 1 graphics */
// int i;
UINT8 *src = memregion("gfx1")->base();
for (i = 0;i < 0x20000;i++)
for (i = 0; i < 0x20000; i++)
{
src[i] = BITSWAP8(src[i], 4,3,2,5,6,1,0,7); // fixme: find the exact function
src[i] = BITSWAP8(src[i], 4, 3, 2, 5, 1, 6, 0, 7); // OK
}
/* bank 2 graphics */
UINT8 *src2 = memregion("gfx2")->base();
for (i = 0;i < 0x8000;i++)
for (i = 0; i < 0x8000; i++)
{
src2[i] = BITSWAP8(src2[i], 4,3,2,5,6,1,0,7); // fixme: swapped by pairs, and inside.
src2[i] = BITSWAP8(src2[i], 3, 4, 2, 5, 1, 6, 0, 7); // OK
}
}
@ -12118,7 +12117,7 @@ GAME( 199?, cb3, ncb3, ncb3, ncb3, goldstar_state, cb3,
GAME( 199?, cb3b, ncb3, cherrys, ncb3, goldstar_state, cherrys, ROT0, "Dyna", "Cherry Bonus III (alt)", 0 )
GAME( 199?, cb3c, ncb3, cb3c, chrygld, goldstar_state, cb3, ROT0, "bootleg", "Cherry Bonus III (alt, set 2)", GAME_NOT_WORKING)
GAME( 199?, cb3d, ncb3, ncb3, ncb3, driver_device, 0, ROT0, "bootleg", "Cherry Bonus III (set 3)", 0 )
GAME( 199?, cb3e, ncb3, cb3e, chrygld, goldstar_state, cb3e, ROT0, "bootleg", "Cherry Bonus III (set 4, encrypted bootleg)", GAME_IMPERFECT_GRAPHICS ) // need to decode gfx properly (one channel different)
GAME( 199?, cb3e, ncb3, cb3e, chrygld, goldstar_state, cb3e, ROT0, "bootleg", "Cherry Bonus III (set 4, encrypted bootleg)", 0 )
GAME( 1996, cmast97, ncb3, cm97, chrygld, driver_device, 0, ROT0, "Dyna", "Cherry Master '97", GAME_NOT_WORKING) // fix prom decode