fceux/input/mahjong.cpp

80 lines
1.8 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 MReal,MRet;
static uint8 FP_FASTAPASS(2) MJ_Read(int w, uint8 ret)
{
if(w)
{
// ret|=(MRet&1)<<1;
ret|=((MRet&0x80)>>6)&2;
// MRet>>=1;
if(!fceuindbg)
MRet<<=1;
}
return(ret);
}
static void FP_FASTAPASS(1) MJ_Write(uint8 v)
{
/* 1: I-D7, J-D6, K-D5, L-D4, M-D3, Big Red-D2
2: A-D7, B-D6, C-D5, D-D4, E-D3, F-D2, G-D1, H-D0
3: Sel-D6, Start-D7, D5, D4, D3, D2, D1
*/
MRet=0;
v>>=1;
v&=3;
if(v==3)
{
MRet=(MReal>>14)&0x7F;
//MRet=((MRet&0x1F) |((MRet&0x40)>>1)|((MRet&0x20)<<1)) <<1; //(MReal>>13)&0x7F;
}
else if(v==2)
{
MRet=MReal&0xFF;
}
else if(v==1)
{
MRet=(MReal>>8)&0x3F;
}
// HSValR=HSVal<<1;
}
static void FP_FASTAPASS(2) MJ_Update(void *data, int arg)
{
MReal=*(uint32*)data;
//printf("%08x\n",MReal>>13);
//HSVal=*(uint8*)data;
}
static INPUTCFC Mahjong={MJ_Read,MJ_Write,0,MJ_Update,0,0};
INPUTCFC *FCEU_InitMahjong(void)
{
MReal=MRet=0;
return(&Mahjong);
}