/* #include "mapinc.h" static uint8 cmdin; static uint8 cmd; static uint8 regs[8]; static uint8 master,chrm; static void DoPRG217(void) { if(master&0x80) { setprg16(0x8000,master&0x1F); setprg16(0xc000,master&0x1F); } else { setprg8(0x8000,regs[1]); setprg8(0xA000,regs[3]); setprg8(0xC000,~1); setprg8(0xE000,~0); } } static void DoCHR217(void) { uint32 base=(cmd&0x80)<<5; int orie=(chrm&0x4)<<6; setchr2(0x0000^base,(orie|regs[0])>>1); setchr2(0x0800^base,(orie|regs[7])>>1); setchr1(0x1000,orie|regs[5]); setchr1(0x1400,orie|regs[2]); setchr1(0x1800,orie|regs[6]); setchr1(0x1c00,orie|regs[4]); } static DECLFW(Write217_write) { // if(A==0x5000) // { // master=V; // DoPRG217(); // } // else if(A==0x5001) // { // chrm=V; // DoCHR217(); // } // else if(A==0x5007) // { // } switch(A&0xE001) { case 0x4000:master=V;DoPRG217();break; case 0x8000:IRQCount=V;break; case 0xc001:break; case 0xe000:X6502_IRQEnd(FCEU_IQEXT);break; case 0xe001:break; case 0xa001:setmirror((V&1)^1);break; case 0x8001:cmd=V;cmdin=1;DoPRG217();DoCHR217();break; case 0xa000:if(!cmdin) break; regs[cmd&7]=V; DoPRG217(); DoCHR217(); cmdin=0; break; } } static void hooko217(void) { if(IRQCount) { IRQCount--; if(!IRQCount) { X6502_IRQBegin(FCEU_IQEXT); } } } void Mapper217_init(void) { int x; for(x=0;x<8;x++) regs[x]=0; master=chrm=cmd=cmdin=IRQCount=0; GameHBIRQHook=hooko217; SetReadHandler(0x8000,0xFFFF,CartBR); SetWriteHandler(0x5000,0xFFFF,Write217_write); DoPRG217(); DoCHR217(); } */