Exemplo n.º 1
0
Arquivo: 76.cpp Projeto: TijmenW/tom7
static DECLFW(Mapper76_write)
{
        switch(A&0xE001){
        case 0x8000:
         MMC3_cmd = V;
         break;
        case 0x8001:
                switch(MMC3_cmd&0x07){
                case 2: VROM_BANK2(0x000,V);break;
                case 3: VROM_BANK2(0x800,V);break;
                case 4: VROM_BANK2(0x1000,V);break;
                case 5: VROM_BANK2(0x1800,V);break;
                case 6:
                        if(MMC3_cmd&0x40) ROM_BANK8(0xC000,V);
                        else ROM_BANK8(0x8000,V);
                        break;
                case 7: ROM_BANK8(0xA000,V);
                        break;
               }
               break;
        case 0xA000:
        MIRROR_SET(V&1);
        break;
 }
}
Exemplo n.º 2
0
static DECLFW(Mapper33_write)
{
        //printf("%04x:%02x, %d\n",A,V,scanline);

        A&=0xF003;
        if(A>=0xA000 && A<=0xA003)
         VROM_BANK1(0x1000+((A&3)<<10),V);
        else switch(A)
        {
          case 0x8000:if(!is48) MIRROR_SET((V>>6)&1);
                     ROM_BANK8(0x8000,V);
                     break;
         case 0x8001:ROM_BANK8(0xA000,V); break;
         case 0x8002:VROM_BANK2(0x0000,V);break;
         case 0x8003:VROM_BANK2(0x0800,V);break;
        }
}