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BMC-K-3036: Fix incorrect write address range

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retro-wertz
2019-06-26 22:14:48 +08:00
parent 6653f4028a
commit 6d26ce4f9f
3 changed files with 16 additions and 12 deletions
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0
src/boards/bcmk3006.c → src/boards/bmck3006.c
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0
src/boards/bcmk3033.c → src/boards/bmck3033.c
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28
src/boards/bmck3036.c
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@@ -26,40 +26,44 @@
#include "mapinc.h"
static uint8 regs[2];
static uint8 regs[2], mirr, mode;
static SFORMAT StateRegs[] =
{
{ regs, 2, "REGS" },
{ regs, 2, "REGS" },
{ &mode, 1, "MODE" },
{ &mirr, 1, "MIRR" },
{ 0 }
};
static void Sync(void) {
if (regs[0] & 0x20) { /* NROM-128 */
setprg16(0x8000, regs[0] & 0x1F);
setprg16(0xC000, regs[0] & 0x1F);
if (mode) { /* NROM-128 */
setprg16(0x8000, regs[0]);
setprg16(0xC000, regs[0]);
} else { /* UNROM */
setprg16(0x8000, (regs[0] & 0x1F) | (regs[1] & 0x07));
setprg16(0xC000, (regs[0] & 0x1F) | 0x07);
setprg16(0x8000, regs[0] | regs[1]);
setprg16(0xC000, regs[0] | 0x07);
}
setchr8(0);
setmirror(((regs[0] & 0x25) == 0x25) ? MI_H : MI_V);
setmirror(mirr);
}
static DECLFW(M340Write) {
regs[0] = A & 0xFF;
regs[1] = V & 0xFF;
regs[0] = A & 0x1F;
regs[1] = V & 0x07;
mode = A & 0x20;
mirr = ((A & 0x25) == 0x25) ? 0 : 1;
Sync();
}
static void BMCK3036Power(void) {
Sync();
SetReadHandler(0x8000, 0xFFFF, CartBR);
SetWriteHandler(0x8000, 0xBFFF, M340Write);
SetWriteHandler(0x8000, 0xFFFF, M340Write);
}
static void BMCK3036Reset(void) {
regs[0] = regs[1] = 0;
regs[0] = regs[1] = mode = mirr = 0;
Sync();
}