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Preliminary decryption for roypok96c. [Roberto Fresca].

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This commit is contained in:
RobertoFresca 2016-02-20 18:04:41 -03:00
parent 23d0766329
commit c5ca908028
2 changed files with 24 additions and 1 deletions
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24
src/mame/drivers/goldstar.cpp
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@ -13487,6 +13487,28 @@ DRIVER_INIT_MEMBER(cmaster_state, rp36c3)
m_maincpu->space(AS_IO).install_read_handler(0x17, 0x17, read8_delegate(FUNC(cmaster_state::fixedval48_r),this));
}
DRIVER_INIT_MEMBER(cmaster_state, rp96sub) // 95 33 95 33 70 6C 70 6C... XORs seem ok. need bitswap and handler.
{
int i;
UINT8 *ROM = memregion("maincpu")->base();
for (i = 0;i < 0x10000;i++)
{
UINT8 x = ROM[i];
switch(i & 5)
{
case 0: x = BITSWAP8(x^0x6a, 7,6,5,4,3,2,1,0); break;
case 1: x = BITSWAP8(x^0xcc, 7,6,5,4,3,2,1,0); break;
case 4: x = BITSWAP8(x^0x8f, 7,6,5,4,3,2,1,0); break;
case 5: x = BITSWAP8(x^0x93, 7,6,5,4,3,2,1,0); break;
}
ROM[i] = x;
}
// m_maincpu->space(AS_IO).install_read_handler(0x34, 0x34, read8_delegate(FUNC(cmaster_state::fixedvalb2_r),this));
}
DRIVER_INIT_MEMBER(cmaster_state, po33)
{
@ -13813,7 +13835,7 @@ GAME( 2009, fb2010, 0, amcoe2, nfb96tx, cmaster_state, fb2010,
GAMEL( 1996, roypok96, 0, amcoe2, roypok96, cmaster_state, rp35, ROT0, "Amcoe", "Royal Poker '96 (set 1, v97-3.5)", 0, layout_roypok96 )
GAMEL( 1996, roypok96a, roypok96, amcoe2, roypok96a, cmaster_state, rp36, ROT0, "Amcoe", "Royal Poker '96 (set 2, v98-3.6)", 0, layout_roypok96 )
GAMEL( 1996, roypok96b, roypok96, amcoe2, roypok96a, cmaster_state, rp36c3, ROT0, "Amcoe", "Royal Poker '96 (set 3, v98-3.6?)", 0, layout_roypok96 )
GAME( 1996, roypok96c, roypok96, amcoe2, roypok96a, driver_device, 0, ROT0, "Amcoe", "Royal Poker '96 (set 4, C3 board)", MACHINE_NOT_WORKING )
GAME( 1996, roypok96c, roypok96, amcoe2, roypok96a, cmaster_state, rp96sub, ROT0, "Amcoe", "Royal Poker '96 (set 4, C3 board)", MACHINE_NOT_WORKING )
/* these all appear to be graphic hacks of 'New Fruit Bonus '96', they can run with the same program rom

1
src/mame/includes/goldstar.h
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@ -122,6 +122,7 @@ public:
DECLARE_DRIVER_INIT(rp35);
DECLARE_DRIVER_INIT(rp36);
DECLARE_DRIVER_INIT(rp36c3);
DECLARE_DRIVER_INIT(rp96sub);
UINT32 screen_update_amcoe1a(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);