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Backport r164 -

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mapper 4 - fixed savestates for mmc3 based mappers broken with kt-008 board
UNIF COOLBOY - new dump support
This commit is contained in:
twinaphex
2015-01-04 22:50:33 +01:00
parent 24ff43223a
commit d6da335f54
4 changed files with 107 additions and 8 deletions
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7
src/boards/mmc3.c
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@@ -28,6 +28,7 @@
#include "mmc3.h"
uint8 MMC3_cmd;
uint8 kt_extra;
uint8 *WRAM;
uint32 WRAMSIZE;
uint8 *CHRRAM;
@@ -186,7 +187,7 @@ DECLFW(MMC3_IRQWrite) {
DECLFW(KT008HackWrite) {
// FCEU_printf("%04x:%04x\n",A,V);
switch (A & 3) {
case 0: EXPREGS[0] = V; FixMMC3PRG(MMC3_cmd); break;
case 0: kt_extra = V; FixMMC3PRG(MMC3_cmd); break;
case 1: break; // unk
case 2: break; // unk
case 3: break; // unk
@@ -233,7 +234,7 @@ static void GENCWRAP(uint32 A, uint8 V) {
static void GENPWRAP(uint32 A, uint8 V) {
// [NJ102] Mo Dao Jie (C) has 1024Mb MMC3 BOARD, maybe something other will be broken
// also HengGe BBC-2x boards enables this mode as default board mode at boot up
setprg8(A, (V & 0x7F) | ((EXPREGS[0] & 4) << 4));
setprg8(A, (V & 0x7F) | ((kt_extra & 4) << 4));
// KT-008 boards hack 2-in-1, TODO assign to new ines mapper, most dump of KT-boards on the net are mapper 4, so need database or goodnes fix support
}
@@ -318,7 +319,7 @@ void GenMMC3_Init(CartInfo *info, int prg, int chr, int wram, int battery) {
}
// KT-008 boards hack 2-in-1, TODO assign to new ines mapper, most dump of KT-boards on the net are mapper 4, so need database or goodnes fix support
AddExState(EXPREGS, 1, 0, "EXPR");
AddExState(&kt_extra, 1, 0, "KTEX");
AddExState(MMC3_StateRegs, ~0, 0, 0);
info->Power = GenMMC3Power;