mirror of
https://github.com/dborth/fceugx.git
synced 2024-11-05 00:45:06 +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 uint32 FTVal,FTValR;
|
||
|
|
static char side;
|
||
|
|
|
||
|
|
static uint8 FP_FASTAPASS(2) FT_Read(int w, uint8 ret)
|
||
|
|
{
|
||
|
|
if(w)
|
||
|
|
{
|
||
|
|
ret|=FTValR;
|
||
|
|
}
|
||
|
|
return(ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void FP_FASTAPASS(1) FT_Write(uint8 V)
|
||
|
|
{
|
||
|
|
FTValR=0;
|
||
|
|
|
||
|
|
//printf("%08x\n",FTVal);
|
||
|
|
if(!(V&0x1))
|
||
|
|
FTValR=(FTVal>>8);
|
||
|
|
else if(!(V&0x2))
|
||
|
|
FTValR=(FTVal>>4);
|
||
|
|
else if(!(V&0x4))
|
||
|
|
FTValR=FTVal;
|
||
|
|
|
||
|
|
FTValR=(~FTValR)&0xF;
|
||
|
|
if(side=='B')
|
||
|
|
FTValR=((FTValR&0x8)>>3) | ((FTValR&0x4)>>1) | ((FTValR&0x2)<<1) | ((FTValR&0x1)<<3);
|
||
|
|
FTValR<<=1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void FP_FASTAPASS(2) FT_Update(void *data, int arg)
|
||
|
|
{
|
||
|
|
FTVal=*(uint32 *)data;
|
||
|
|
}
|
||
|
|
|
||
|
|
static INPUTCFC FamilyTrainer={FT_Read,FT_Write,0,FT_Update,0,0};
|
||
|
|
|
||
|
|
INPUTCFC *FCEU_InitFamilyTrainerA(void)
|
||
|
|
{
|
||
|
|
side='A';
|
||
|
|
FTVal=FTValR=0;
|
||
|
|
return(&FamilyTrainer);
|
||
|
|
}
|
||
|
|
|
||
|
|
INPUTCFC *FCEU_InitFamilyTrainerB(void)
|
||
|
|
{
|
||
|
|
side='B';
|
||
|
|
FTVal=FTValR=0;
|
||
|
|
return(&FamilyTrainer);
|
||
|
|
}
|
||
|
|
|