1 /* FCE Ultra - NES/Famicom Emulator
3 * Copyright notice for this file:
4 * Copyright (C) 2003 Xodnizel
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 static int seq,ptr,bit,cnt,have;
25 static uint8 bdata[20];
28 static uint8 FP_FASTAPASS(2) Read(int w, uint8 ret)
34 case 0: seq++; ptr=0; ret|=0x4; break;
35 case 1: seq++; bit=bdata[ptr]; cnt=0; ret|=0x4; break;
36 case 2: ret|=((bit&0x01)^0x01)<<2; bit>>=1; if(++cnt > 7) seq++;
38 case 3: if(++ptr > 19)
51 static void FP_FASTAPASS(1) Write(uint8 V)
56 static void FP_FASTAPASS(2) Update(void *data, int arg)
63 strcpy((char *)bdata,(char *)data+1);
64 strcpy((char *)&bdata[13],"SUNSOFT");
68 static INPUTCFC BarcodeWorld={Read,Write,0,Update,0,0};
70 INPUTCFC *FCEU_InitBarcodeWorld(void)
72 return(&BarcodeWorld);