mirror of
https://github.com/dborth/fceugx.git
synced 2024-11-01 06:55:05 +01:00
75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
|
/* FCE Ultra - NES/Famicom Emulator
|
||
|
|
*
|
||
|
|
* Copyright notice for this file:
|
||
|
|
* Copyright (C) 2003 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 <string.h>
|
||
|
|
#include "share.h"
|
||
|
|
|
||
|
|
static int seq,ptr,bit,cnt,have;
|
||
|
|
static uint8 bdata[20];
|
||
|
|
|
||
|
|
|
||
|
|
static uint8 FP_FASTAPASS(2) Read(int w, uint8 ret)
|
||
|
|
{
|
||
|
|
if(w && have)
|
||
|
|
{
|
||
|
|
switch(seq)
|
||
|
|
{
|
||
|
|
case 0: seq++; ptr=0; ret|=0x4; break;
|
||
|
|
case 1: seq++; bit=bdata[ptr]; cnt=0; ret|=0x4; break;
|
||
|
|
case 2: ret|=((bit&0x01)^0x01)<<2; bit>>=1; if(++cnt > 7) seq++;
|
||
|
|
break;
|
||
|
|
case 3: if(++ptr > 19)
|
||
|
|
{
|
||
|
|
seq=-1;
|
||
|
|
have=0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
seq=1;
|
||
|
|
default: break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return(ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void FP_FASTAPASS(1) Write(uint8 V)
|
||
|
|
{
|
||
|
|
//printf("%02x\n",V);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void FP_FASTAPASS(2) Update(void *data, int arg)
|
||
|
|
{
|
||
|
|
if(*(uint8 *)data)
|
||
|
|
{
|
||
|
|
*(uint8 *)data=0;
|
||
|
|
seq=ptr=0;
|
||
|
|
have=1;
|
||
|
|
strcpy(bdata,(uint8 *)data+1);
|
||
|
|
strcpy(&bdata[13],"SUNSOFT");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static INPUTCFC BarcodeWorld={Read,Write,0,Update,0,0};
|
||
|
|
|
||
|
|
INPUTCFC *FCEU_InitBarcodeWorld(void)
|
||
|
|
{
|
||
|
|
return(&BarcodeWorld);
|
||
|
|
}
|
||
|
|
|