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63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2003 Xodnizel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <string.h>
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#include "share.h"
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static uint32 bs,bss;
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static uint32 boop;
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static uint8 Read(int w, uint8 ret)
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{
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if(w)
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{
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ret|=(bs&1)<<3;
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ret|=(boop&1)<<4;
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bs>>=1;
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boop>>=1;
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// puts("Read");
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}
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return(ret);
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}
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static void Write(uint8 V)
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{
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// if(V&0x2)
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bs=bss;
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//printf("Write: %02x\n",V);
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// boop=0xC0;
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}
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static void Update(void *data, int arg)
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{
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bss=*(uint8*)data;
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bss|=bss<<8;
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bss|=bss<<8;
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}
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static INPUTCFC TopRider={Read,Write,0,Update,0,0};
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INPUTCFC *FCEU_InitTopRider(void)
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{
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return(&TopRider);
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}
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