///////////////////////////////////////////////////////////////////// // Mapper 229 void NES_mapper229::Reset() { // set CPU bank pointers set_CPU_banks(0,1,2,3); // set PPU bank pointers set_PPU_banks(0,1,2,3,4,5,6,7); } void NES_mapper229::MemoryWrite(uint32 addr, uint8 data) { addr &= 0x0FFF; if(addr & 0x0020) { set_mirroring(NES_PPU::MIRROR_HORIZ); } else { set_mirroring(NES_PPU::MIRROR_VERT); } if(addr & 0x001E) { uint8 prg_bank = (uint8)(addr & 0x001F); uint32 chr_bank = addr & 0x0FFF; set_CPU_bank4(prg_bank*2+0); set_CPU_bank5(prg_bank*2+1); set_CPU_bank6(prg_bank*2+0); set_CPU_bank7(prg_bank*2+1); set_PPU_bank0(chr_bank*8+0); set_PPU_bank1(chr_bank*8+1); set_PPU_bank2(chr_bank*8+2); set_PPU_bank3(chr_bank*8+3); set_PPU_bank4(chr_bank*8+4); set_PPU_bank5(chr_bank*8+5); set_PPU_bank6(chr_bank*8+6); set_PPU_bank7(chr_bank*8+7); } else { set_CPU_banks(0,1,2,3); set_PPU_banks(0,1,2,3,4,5,6,7); } } /////////////////////////////////////////////////////////////////////