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Merge pull request #16 from TASVideos/master 

Sync code to the newest
This commit is contained in:
owomomo 2019-10-20 00:44:34 +08:00 committed by GitHub
parent 3fd6f9cb1e 0fc18be6b8
commit 829c07bc3c
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 11 deletions
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29
src/boards/15.cpp
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@ -35,31 +35,39 @@ static SFORMAT StateRegs[] =
static void Sync(void) {
int i;
setmirror(((latched >> 6) & 1) ^ 1);
switch (latchea) {
case 0x8000:
switch (latchea & 3) {
case 0:
for (i = 0; i < 4; i++)
setprg8(0x8000 + (i << 13), (((latched & 0x7F) << 1) + i) ^ (latched >> 7));
setprg8(0x8000 + (i << 13), ((latched & 0x3F) << 1) + i);
break;
case 0x8002:
case 2:
for (i = 0; i < 4; i++)
setprg8(0x8000 + (i << 13), ((latched & 0x7F) << 1) + (latched >> 7));
setprg8(0x8000 + (i << 13), ((latched & 0x3F) << 1) + (latched >> 7));
break;
case 0x8001:
case 0x8003:
case 1:
case 3:
for (i = 0; i < 4; i++) {
unsigned int b;
b = latched & 0x7F;
b = latched & 0x3F;
if (i >= 2 && !(latchea & 0x2))
b = 0x7F;
setprg8(0x8000 + (i << 13), (i & 1) + ((b << 1) ^ (latched >> 7)));
b = b | 0x07;
setprg8(0x8000 + (i << 13), (i & 1) + (b << 1));
}
break;
}
setchr8(0);
}
static DECLFW(M15Write) {
latchea = A;
latched = V;
// 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);
else
SetupCartCHRMapping(0, CHRptr[0], 0x2000, 1);
Sync();
}
@ -70,7 +78,6 @@ static void StateRestore(int version) {
static void M15Power(void) {
latchea = 0x8000;
latched = 0;
setchr8(0);
setprg8r(0x10, 0x6000, 0);
SetReadHandler(0x6000, 0x7FFF, CartBR);
SetWriteHandler(0x6000, 0x7FFF, CartBW);