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m274: Update

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This commit is contained in:
negativeExponent
2020-03-24 01:46:36 +08:00
parent a9f679ef15
commit e1bf53e80c
1 changed files with 4 additions and 1 deletions
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5
src/boards/bmc80013b.c
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@@ -21,7 +21,10 @@
* Its UNIF board name is BMC-80013-B.
* https://wiki.nesdev.com/w/index.php/NES_2.0_Mapper_274 */
/* 2020-03-22 - Update support for Cave Story II, FIXME: Arabian does not work for some reasons... */
#include "mapinc.h"
#include "../ines.h"
static uint8 regs[2], mode;
@@ -37,7 +40,7 @@ static void Sync(void) {
if (mode & 0x02)
setprg16(0x8000, (regs[0] & 0x0F) | (regs[1] & 0x70));
else
setprg16(0x8000, (regs[0] & 0x0F) | 0x80);
setprg16(0x8000, (regs[0] & ((ROM_size - 1) & 0x0F)) | 0x80);
setprg16(0xC000, regs[1]);
setmirror(((regs[0] >> 4) & 1) ^ 1);
}