82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/* FCE Ultra - NES/Famicom Emulator
|
|
*
|
|
* Copyright notice for this file:
|
|
* Copyright (C) 2002 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 <stdlib.h>
|
|
#include "share.h"
|
|
|
|
typedef struct {
|
|
int32 mzx, mzy, mzxold, mzyold;
|
|
uint32 readbit;
|
|
uint32 data;
|
|
} MOUSE;
|
|
|
|
static MOUSE Mouse;
|
|
|
|
static void FP_FASTAPASS(1) StrobeMOUSE(int w)
|
|
{
|
|
Mouse.readbit=0;
|
|
}
|
|
|
|
static uint8 FP_FASTAPASS(1) ReadMOUSE(int w)
|
|
{
|
|
uint8 ret=0;
|
|
if(Mouse.readbit>=8)
|
|
ret|=1;
|
|
else
|
|
{
|
|
ret|=(Mouse.data>>Mouse.readbit)&1;
|
|
if(!fceuindbg)
|
|
Mouse.readbit++;
|
|
}
|
|
return(ret);
|
|
}
|
|
|
|
static void FP_FASTAPASS(3) UpdateMOUSE(int w, void *data, int arg)
|
|
{
|
|
uint32 *ptr=(uint32*)data;
|
|
Mouse.data=0;
|
|
Mouse.mzxold=Mouse.mzx;
|
|
Mouse.mzyold=Mouse.mzy;
|
|
Mouse.mzx=ptr[0];
|
|
Mouse.mzy=ptr[1];
|
|
Mouse.data|=ptr[2];
|
|
if((Mouse.mzxold-Mouse.mzx)>0)
|
|
Mouse.data|=0x0C;
|
|
else if((Mouse.mzxold-Mouse.mzx)<0)
|
|
Mouse.data|=0x04;
|
|
if((Mouse.mzyold-Mouse.mzy)>0)
|
|
Mouse.data|=0x30;
|
|
else if((Mouse.mzyold-Mouse.mzy)<0)
|
|
Mouse.data|=0x10;
|
|
}
|
|
|
|
static INPUTC MOUSEC={ReadMOUSE,0,StrobeMOUSE,UpdateMOUSE,0,0};
|
|
|
|
INPUTC *FCEU_InitMouse(int w)
|
|
{
|
|
Mouse.mzx=0;
|
|
Mouse.mzy=0;
|
|
Mouse.mzxold=0;
|
|
Mouse.mzyold=0;
|
|
Mouse.data=0;
|
|
return(&MOUSEC);
|
|
}
|