fceux/input/hypershot.cpp

51 lines
1.3 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 uint8 HSVal,HSValR;
static uint8 FP_FASTAPASS(2) HS_Read(int w, uint8 ret)
{
if(w) ret|=HSValR;
return(ret);
}
static void HS_Strobe(void)
{
HSValR=HSVal<<1;
}
static void FP_FASTAPASS(2) HS_Update(void *data, int arg)
{
HSVal=*(uint8*)data;
}
static INPUTCFC HyperShot={HS_Read,0,HS_Strobe,HS_Update,0,0};
INPUTCFC *FCEU_InitHS(void)
{
HSVal=HSValR=0;
return(&HyperShot);
}