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This commit is contained in:
retro-wertz
2017-10-15 02:07:42 +08:00
parent e428160996
commit ebca2248d0
75 changed files with 641 additions and 582 deletions
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33
src/boards/ax5705.c
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@@ -22,7 +22,7 @@
#include "mapinc.h"
static uint8 IRQCount; //, IRQPre;
static uint8 IRQCount; /*, IRQPre; */
static uint8 IRQa;
static uint8 prg_reg[2];
static uint8 chr_reg[8];
@@ -38,16 +38,17 @@ static SFORMAT StateRegs[] =
{ 0 }
};
/*
#if 0
static void UNLAX5705IRQ(void) {
if(IRQa) {
IRQCount++;
if(IRQCount>=238) {
X6502_IRQBegin(FCEU_IQEXT);
// IRQa=0;
/* IRQa=0; */
}
}
}*/
}
#endif
static void Sync(void) {
int i;
@@ -61,14 +62,16 @@ static void Sync(void) {
}
static DECLFW(UNLAX5705Write) {
// if((A>=0xA008)&&(A<=0xE003)) {
// int ind=(((A>>11)-6)|(A&1))&7;
// int sar=((A&2)<<1);
// chr_reg[ind]=(chr_reg[ind]&(0xF0>>sar))|((V&0x0F)<<sar);
// SyncChr();
// } else
#if 0
if((A>=0xA008)&&(A<=0xE003)) {
int ind=(((A>>11)-6)|(A&1))&7;
int sar=((A&2)<<1);
chr_reg[ind]=(chr_reg[ind]&(0xF0>>sar))|((V&0x0F)<<sar);
SyncChr();
} else
#endif
switch (A & 0xF00F) {
case 0x8000: prg_reg[0] = ((V & 2) << 2) | ((V & 8) >> 2) | (V & 5); break; // EPROM dump have mixed PRG and CHR banks, data lines to mapper seems to be mixed
case 0x8000: prg_reg[0] = ((V & 2) << 2) | ((V & 8) >> 2) | (V & 5); break; /* EPROM dump have mixed PRG and CHR banks, data lines to mapper seems to be mixed */
case 0x8008: mirr = V & 1; break;
case 0xA000: prg_reg[1] = ((V & 2) << 2) | ((V & 8) >> 2) | (V & 5); break;
case 0xA008: chr_reg[0] = (chr_reg[0] & 0xF0) | (V & 0x0F); break;
@@ -87,8 +90,10 @@ static DECLFW(UNLAX5705Write) {
case 0xE001: chr_reg[6] = (chr_reg[6] & 0x0F) | ((((V & 4) >> 1) | ((V & 2) << 1) | (V & 0x09)) << 4); break;
case 0xE002: chr_reg[7] = (chr_reg[7] & 0xF0) | (V & 0x0F); break;
case 0xE003: chr_reg[7] = (chr_reg[7] & 0x0F) | ((((V & 4) >> 1) | ((V & 2) << 1) | (V & 0x09)) << 4); break;
// case 0x800A: X6502_IRQEnd(FCEU_IQEXT); IRQa=0; break;
// case 0xE00B: X6502_IRQEnd(FCEU_IQEXT); IRQa=IRQCount=V; /*if(scanline<240) IRQCount-=8; else IRQCount+=4;*/ break;
#if 0
case 0x800A: X6502_IRQEnd(FCEU_IQEXT); IRQa=0; break;
case 0xE00B: X6502_IRQEnd(FCEU_IQEXT); IRQa=IRQCount=V; /*if(scanline<240) IRQCount-=8; else IRQCount+=4;*/ break;
#endif
}
Sync();
}
@@ -105,7 +110,7 @@ static void StateRestore(int version) {
void UNLAX5705_Init(CartInfo *info) {
info->Power = UNLAX5705Power;
// GameHBIRQHook=UNLAX5705IRQ;
/* GameHBIRQHook=UNLAX5705IRQ; */
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}