X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=fceu.git;a=blobdiff_plain;f=mappers%2F83.c;h=3ab004fd9b0f8f521395ada7650ead9c1cfd9b66;hp=5cc7d037f60153dc04c4d86d552fc4730b33f551;hb=d97315ac0bca825d2d50a44453bc5652946e2c67;hpb=890e37ba2b8ea1c7593dc05926d7431e3bd00bfb diff --git a/mappers/83.c b/mappers/83.c index 5cc7d03..3ab004f 100644 --- a/mappers/83.c +++ b/mappers/83.c @@ -1,7 +1,7 @@ /* FCE Ultra - NES/Famicom Emulator * * Copyright notice for this file: - * Copyright (C) 2002 Ben Parnell + * Copyright (C) 2002 Xodnizel * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -20,14 +20,20 @@ #include "mapinc.h" -void FP_FASTAPASS(1) m83IRQHook(int a) + +/*void Mapper83_init(void) +{ + +} +*/ +static void FP_FASTAPASS(1) m83IRQHook(int a) { if(IRQa) { IRQCount-=a; if(IRQCount<0) { - TriggerIRQ(); + X6502_IRQBegin(FCEU_IQEXT); IRQa=0; IRQCount=0xFFFF; } @@ -46,9 +52,8 @@ static DECLFR(rdlow) static void m83prg(void) { - ROM_BANK16(0x8000,mapbyte1[0]&0x3F); + ROM_BANK16(0x8000,(mapbyte1[0]&0x3F)); ROM_BANK16(0xC000,(mapbyte1[0]&0x30)|0xF); - X6502_Rebase(); } static void m83chr(void) @@ -82,11 +87,11 @@ static DECLFW(Mapper83_write) case 0x03:onemir(1);break; } break; - case 0x8200:IRQCount&=0xFF00;IRQCount|=V;break; + case 0x8200:IRQCount&=0xFF00;IRQCount|=V;X6502_IRQEnd(FCEU_IQEXT);break; case 0x8201:IRQa=1;IRQCount&=0xFF;IRQCount|=V<<8;break; - //case 0x8300:ROM_BANK8(0x8000,V);break; - //case 0x8301:ROM_BANK8(0xA000,V);break; - //case 0x8302:ROM_BANK8(0xC000,V);break; + case 0x8300:ROM_BANK8(0x8000,V);break; + case 0x8301:ROM_BANK8(0xA000,V);break; + case 0x8302:ROM_BANK8(0xC000,V);break; case 0x8310:mapbyte2[0]=V;m83chr();break; case 0x8311:mapbyte2[1]=V;m83chr();break; case 0x8312:mapbyte2[2]=V;m83chr();break; @@ -95,14 +100,14 @@ static DECLFW(Mapper83_write) case 0x8315:mapbyte2[5]=V;m83chr();break; case 0x8316:mapbyte2[6]=V;m83chr();break; case 0x8317:mapbyte2[7]=V;m83chr();break; + case 0x8318:mapbyte1[1]=V;m83prg();break; } // printf("$%04x:$%02x, $%04x\n",A,V,X.PC.W); - + } void Mapper83_init(void) { - ROM_BANK8(0xc000,0x1e); ROM_BANK8(0xe000,0x1f); @@ -111,4 +116,5 @@ void Mapper83_init(void) SetReadHandler(0x5100,0x5103,rdlow); SetWriteHandler(0x5100,0x5103,wrlow); SetWriteHandler(0x8000,0xffff,Mapper83_write); + mapbyte1[1]=0xF; }