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goldstar.cpp: preliminary decryption for luckylad. Not really close yet (nw)

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This commit is contained in:
Ivan Vangelista 2018-12-03 18:29:42 +01:00
parent e9a969f154
commit 9b5357da53
2 changed files with 33 additions and 1 deletions
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33
src/mame/drivers/goldstar.cpp
View File

@ -16536,6 +16536,37 @@ void cmaster_state::init_super7()
}
}
void wingco_state::init_luckylad()
{
uint8_t *ROM = memregion("maincpu")->base();
for (int i = 0x0000; i < 0x8000; i++)
{
uint8_t x = ROM[i];
switch (i & 0x1111) // preliminary, text in 0x3ab0-0x3c70, 0x4c00-0x5160 ranges seems mostly ok, seems similar to the one used in luckygrl (jangou.cpp).
{
case 0x0000: x = bitswap<8>(x ^ 0x00, 7, 6, 5, 4, 3, 2, 1, 0); break;
case 0x0001: x = bitswap<8>(x ^ 0xa0, 3, 6, 5, 4, 7, 2, 1, 0); break;
case 0x0010: x = bitswap<8>(x ^ 0x88, 5, 6, 7, 4, 3, 2, 1, 0); break;
case 0x0011: x = bitswap<8>(x ^ 0x28, 3, 6, 7, 4, 5, 2, 1, 0); break;
case 0x0100: x = bitswap<8>(x ^ 0x28, 3, 6, 7, 4, 5, 2, 1, 0); break;
case 0x0101: x = bitswap<8>(x ^ 0x20, 5, 6, 7, 4, 3, 2, 1, 0); break;
case 0x0110: x = bitswap<8>(x ^ 0x28, 5, 6, 3, 4, 7, 2, 1, 0); break;
case 0x0111: x = bitswap<8>(x ^ 0x88, 5, 6, 7, 4, 3, 2, 1, 0); break;
case 0x1000: x = bitswap<8>(x ^ 0x20, 5, 6, 7, 4, 3, 2, 1, 0); break;
case 0x1001: x = bitswap<8>(x ^ 0x00, 7, 6, 5, 4, 3, 2, 1, 0); break;
case 0x1010: x = bitswap<8>(x ^ 0xa0, 3, 6, 5, 4, 7, 2, 1, 0); break;
case 0x1011: x = bitswap<8>(x ^ 0x80, 7, 6, 3, 4, 5, 2, 1, 0); break;
case 0x1100: x = bitswap<8>(x ^ 0x28, 5, 6, 3, 4, 7, 2, 1, 0); break;
case 0x1101: x = bitswap<8>(x ^ 0x28, 5, 6, 3, 4, 7, 2, 1, 0); break;
case 0x1110: x = bitswap<8>(x ^ 0x80, 7, 6, 3, 4, 5, 2, 1, 0); break;
case 0x1111: x = bitswap<8>(x ^ 0x00, 7, 6, 5, 4, 3, 2, 1, 0); break;
}
ROM[i] = x;
}
}
/*********************************************
* Game Drivers *
**********************************************
@ -16627,7 +16658,7 @@ GAMEL( 198?, kkotnoli, 0, kkotnoli, kkotnoli, goldstar_state, empty_init
GAME( 198?, ladylinr, 0, ladylinr, ladylinr, goldstar_state, empty_init, ROT0, "TAB Austria", "Lady Liner", 0 )
GAME( 198?, wcat3, 0, wcat3, lucky8, wingco_state, empty_init, ROT0, "E.A.I.", "Wild Cat 3", MACHINE_NOT_WORKING )
GAME( 1985, luckylad, 0, lucky8, luckylad, wingco_state, empty_init, ROT0, "Wing Co., Ltd.", "Lucky Lady (Wing, encrypted)", MACHINE_NOT_WORKING ) // encrypted (see notes in rom_load)...
GAME( 1985, luckylad, 0, lucky8, luckylad, wingco_state, init_luckylad, ROT0, "Wing Co., Ltd.", "Lucky Lady (Wing, encrypted)", MACHINE_NOT_WORKING ) // encrypted (see notes in rom_load)...
GAME( 1991, megaline, 0, megaline, megaline, unkch_state, empty_init, ROT0, "Fun World", "Mega Lines", MACHINE_NOT_WORKING )
GAMEL( 1993, bingowng, 0, bingowng, bingowng, wingco_state, empty_init, ROT0, "Wing Co., Ltd.", "Bingo (set 1)", 0, layout_bingowng )

1
src/mame/includes/goldstar.h
View File

@ -221,6 +221,7 @@ public:
void init_magoddsc();
void init_flaming7();
void init_flam7_tw();
void init_luckylad();
DECLARE_VIDEO_START(bingowng);
DECLARE_VIDEO_START(magical);