/* FCE Ultra - NES/Famicom Emulator * * Copyright notice for this file: * Copyright (C) 1998 BERO * 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 * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "mapinc.h" static void FP_FASTAPASS(1) BandaiIRQHook(int a) { if(IRQa) { IRQCount-=a; if(IRQCount<0) { X6502_IRQBegin(FCEU_IQEXT); //printf("IRQ: %d, %d\n",scanline,timestamp); IRQa=0; IRQCount=0xFFFF; } } } static DECLFW(Mapper16_write) { A&=0xF; if(A<=0x7) VROM_BANK1(A<<10,V); else if(A==0x8) ROM_BANK16(0x8000,V); else switch(A) { case 0x9: switch(V&3) { case 0x00:MIRROR_SET2(1);break; case 0x01:MIRROR_SET2(0);break; case 0x02:onemir(0);break; case 0x03:onemir(1);break; } break; case 0xA:X6502_IRQEnd(FCEU_IQEXT); IRQa=V&1; IRQCount=IRQLatch; break; case 0xB:IRQLatch&=0xFF00; IRQLatch|=V; break; case 0xC:IRQLatch&=0xFF; IRQLatch|=V<<8; break; case 0xD: break;/* Serial EEPROM control port */ } } // Famicom jump 2: // 0-7: Lower bit of data selects which 256KB PRG block is in use. // This seems to be a hack on the developers' part, so I'll make emulation // of it a hack(I think the current PRG block would depend on whatever the // lowest bit of the CHR bank switching register that corresponds to the // last CHR address read). static void PRGO(void) { uint32 base=(mapbyte1[0]&1)<<4; ROM_BANK16(0x8000,(mapbyte2[0]&0xF)|base); ROM_BANK16(0xC000,base|0xF); } static DECLFW(Mapper153_write) { A&=0xF; if(A<=0x7) { mapbyte1[A&7]=V; PRGO(); } else if(A==0x8) { mapbyte2[0]=V; PRGO(); } else switch(A) { case 0x9: switch(V&3) { case 0x00:MIRROR_SET2(1);break; case 0x01:MIRROR_SET2(0);break; case 0x02:onemir(0);break; case 0x03:onemir(1);break; } break; case 0xA:X6502_IRQEnd(FCEU_IQEXT); IRQa=V&1; IRQCount=IRQLatch; break; case 0xB:IRQLatch&=0xFF00; IRQLatch|=V; break; case 0xC:IRQLatch&=0xFF; IRQLatch|=V<<8; break; } } void Mapper16_init(void) { MapIRQHook=BandaiIRQHook; SetWriteHandler(0x6000,0xFFFF,Mapper16_write); } void Mapper153_init(void) { MapIRQHook=BandaiIRQHook; SetWriteHandler(0x8000,0xFFFF,Mapper153_write); /* This mapper/board seems to have WRAM at $6000-$7FFF, so I'll let the main ines code take care of that memory region. */ } static uint8 BarcodeData[256]; static int BarcodeReadPos; static int BarcodeCycleCount; static uint32 BarcodeOut; int FCEUI_DatachSet(const uint8 *rcode) { int prefix_parity_type[10][6] = { {0,0,0,0,0,0}, {0,0,1,0,1,1}, {0,0,1,1,0,1}, {0,0,1,1,1,0}, {0,1,0,0,1,1}, {0,1,1,0,0,1}, {0,1,1,1,0,0}, {0,1,0,1,0,1}, {0,1,0,1,1,0}, {0,1,1,0,1,0} }; int data_left_odd[10][7] = { {0,0,0,1,1,0,1}, {0,0,1,1,0,0,1}, {0,0,1,0,0,1,1}, {0,1,1,1,1,0,1}, {0,1,0,0,0,1,1}, {0,1,1,0,0,0,1}, {0,1,0,1,1,1,1}, {0,1,1,1,0,1,1}, {0,1,1,0,1,1,1}, {0,0,0,1,0,1,1} }; int data_left_even[10][7] = { {0,1,0,0,1,1,1}, {0,1,1,0,0,1,1}, {0,0,1,1,0,1,1}, {0,1,0,0,0,0,1}, {0,0,1,1,1,0,1}, {0,1,1,1,0,0,1}, {0,0,0,0,1,0,1}, {0,0,1,0,0,0,1}, {0,0,0,1,0,0,1}, {0,0,1,0,1,1,1} }; int data_right[10][7] = { {1,1,1,0,0,1,0}, {1,1,0,0,1,1,0}, {1,1,0,1,1,0,0}, {1,0,0,0,0,1,0}, {1,0,1,1,1,0,0}, {1,0,0,1,1,1,0}, {1,0,1,0,0,0,0}, {1,0,0,0,1,0,0}, {1,0,0,1,0,0,0}, {1,1,1,0,1,0,0} }; uint8 code[13+1]; uint32 tmp_p=0; int i, j; int len; for(i=len=0;i<13;i++) { if(!rcode[i]) break; if((code[i]=rcode[i]-'0') > 9) return(0); len++; } if(len!=13 && len!=12 && len!=8 && len!=7) return(0); #define BS(x) BarcodeData[tmp_p]=x;tmp_p++ for(j=0;j<32;j++) { BS(0x00); } /* Left guard bars */ BS(1); BS(0); BS(1); if(len==13 || len==12) { uint32 csum; for(i=0;i<6;i++) if(prefix_parity_type[code[0]][i]) { for(j=0;j<7;j++) { BS(data_left_even[code[i+1]][j]); } } else for(j=0;j<7;j++) { BS(data_left_odd[code[i+1]][j]); } /* Center guard bars */ BS(0); BS(1); BS(0); BS(1); BS(0); for(i=7;i<12;i++) for(j=0;j<7;j++) { BS(data_right[code[i]][j]); } csum=0; for(i=0;i<12;i++) csum+=code[i]*((i&1)?3:1); csum=(10-(csum%10))%10; //printf("%d\n",csum); for(j=0;j<7;j++) { BS(data_right[csum][j]); } } else if(len==8 || len==7) { uint32 csum=0; for(i=0;i<7;i++) csum+=(i&1)?code[i]:(code[i]*3); csum=(10-(csum%10))%10; for(i=0;i<4;i++) for(j=0;j<7;j++) { BS(data_left_odd[code[i]][j]); } /* Center guard bars */ BS(0); BS(1); BS(0); BS(1); BS(0); for(i=4;i<7;i++) for(j=0;j<7;j++) { BS(data_right[code[i]][j]); } for(j=0;j<7;j++) { BS(data_right[csum][j]);} } /* Right guard bars */ BS(1); BS(0); BS(1); for(j=0;j<32;j++) { BS(0x00); } BS(0xFF); #undef BS BarcodeReadPos=0; BarcodeOut=0x8; BarcodeCycleCount=0; return(1); } static void FP_FASTAPASS(1) BarcodeIRQHook(int a) { BandaiIRQHook(a); BarcodeCycleCount+=a; if(BarcodeCycleCount >= 1000) { BarcodeCycleCount -= 1000; if(BarcodeData[BarcodeReadPos]==0xFF) { BarcodeOut=0; } else { BarcodeOut=(BarcodeData[BarcodeReadPos]^1)<<3; BarcodeReadPos++; } } } static DECLFR(Mapper157_read) { uint8 ret; ret=BarcodeOut; return(ret); } void Mapper157_init(void) { FCEUGameInfo->cspecial = SIS_DATACH; MapIRQHook=BarcodeIRQHook; SetWriteHandler(0x6000,0xFFFF,Mapper16_write); SetReadHandler(0x6000,0x7FFF,Mapper157_read); BarcodeData[0]=0xFF; BarcodeReadPos=0; BarcodeOut=0; BarcodeCycleCount=0; }