+++ /dev/null
-/* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "mapinc.h"
-
-static void 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 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)
-{
- GameInfo->cspecial = SIS_DATACH;
- MapIRQHook=BarcodeIRQHook;
- SetWriteHandler(0x6000,0xFFFF,Mapper16_write);
- SetReadHandler(0x6000,0x7FFF,Mapper157_read);
-
- BarcodeData[0]=0xFF;
- BarcodeReadPos=0;
- BarcodeOut=0;
- BarcodeCycleCount=0;
-}
notaz.gp2x.de / fceu.git / blobdiff