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mapper 15 - fixed regression by previous fixes (waising / subors does not work properly with CHR write protection on mode 0)

This commit is contained in:
g0me3 2019-10-02 20:03:38 +03:00
parent d21c3d0c4d
commit 0fc18be6b8
1 changed files with 6 additions and 10 deletions
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16
src/boards/15.cpp
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@ -55,23 +55,19 @@ static void Sync(void) {
}
break;
}
setchr8(0);
}
static DECLFW(M15Write) {
latchea = A;
latched = V;
switch (latchea & 3) {
case 0:
case 3:
// cah4e3 02.10.19 once again, there may be either two similar mapper 15 exist. the one for 110in1 or 168in1 carts with complex multi game features.
// and another implified version for subor/waixing chinese originals and hacks with no different modes, working only in mode 0 and which does not
// expect there is any CHR write protection. protecting CHR writes only for mode 3 fixes the problem, all roms may be run on the same source again.
if((latchea & 3) == 3)
SetupCartCHRMapping(0, CHRptr[0], 0x2000, 0);
setchr8(0);
break;
case 1:
case 2:
else
SetupCartCHRMapping(0, CHRptr[0], 0x2000, 1);
setchr8(0);
break;
}
Sync();
}