fceux/input/oekakids.cpp

96 lines
2.0 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 OKValR,LastWR;
static uint32 OKData;
static uint32 OKX,OKY,OKB;
static uint8 FP_FASTAPASS(2) OK_Read(int w, uint8 ret)
{
if(w)
{
ret|=OKValR;
}
return(ret);
}
static void FP_FASTAPASS(1) OK_Write(uint8 V)
{
if(!(V&0x1))
{
int32 vx,vy;
//puts("Redo");
OKValR=OKData=0;
if(OKB) OKData|=1;
if(OKY >= 48)
OKData|=2;
else if(OKB) OKData|=3;
vx=OKX*240/256+8;
vy=OKY*256/240-12;
if(vy<0) vy=0;
if(vy>255) vy=255;
if(vx<0) vx=0;
if(vx>255) vx=255;
OKData |= (vx<<10) | (vy<<2);
}
else
{
if((~LastWR)&V&0x02)
OKData<<=1;
if(!(V&0x2)) OKValR=0x4;
else
{
if(OKData&0x40000) OKValR=0;
else OKValR=0x8;
}
}
LastWR=V;
}
static void FP_FASTAPASS(2) OK_Update(void *data, int arg)
{
//puts("Sync");
OKX=((uint32*)data)[0];
OKY=((uint32*)data)[1];
OKB=((uint32*)data)[2];
}
static void FP_FASTAPASS(2) DrawOeka(uint8 *buf, int arg)
{
if(arg && OKY<44)
FCEU_DrawCursor(buf, OKX, OKY);
}
static INPUTCFC OekaKids={OK_Read,OK_Write,0,OK_Update,0,DrawOeka};
INPUTCFC *FCEU_InitOekaKids(void)
{
OKValR=0;
return(&OekaKids);
}