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4roses: Decrypt the last two ROM blocks (nw)

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This commit is contained in:
AJR 2018-03-31 01:46:21 -04:00
parent 625c8533ad
commit ecaba3d507
1 changed files with 8 additions and 0 deletions
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8
src/mame/drivers/4roses.cpp
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@ -255,6 +255,14 @@ READ8_MEMBER(_4roses_state::_4roses_opcode_r)
case 0x6c00:
data = bitswap<8>(data ^ 0x5e, 6, 1, 4, 5, 2, 3, 0, 7);
break;
case 0x7000:
data = bitswap<8>(data ^ 0x34, 3, 7, 2, 6, 1, 5, 0, 4);
break;
case 0x7400:
data = bitswap<8>(data ^ 0x43, 7, 2, 5, 0, 6, 1, 3, 4);
break;
}
return data;