82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
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/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2002 Xodnizel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "share.h"
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typedef struct {
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int32 mzx, mzy, mzxold, mzyold;
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uint32 readbit;
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uint32 data;
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} MOUSE;
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static MOUSE Mouse;
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static void FP_FASTAPASS(1) StrobeMOUSE(int w)
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{
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Mouse.readbit=0;
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}
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static uint8 FP_FASTAPASS(1) ReadMOUSE(int w)
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{
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uint8 ret=0;
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if(Mouse.readbit>=8)
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ret|=1;
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else
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{
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ret|=(Mouse.data>>Mouse.readbit)&1;
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if(!fceuindbg)
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Mouse.readbit++;
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}
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return(ret);
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}
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static void FP_FASTAPASS(3) UpdateMOUSE(int w, void *data, int arg)
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{
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uint32 *ptr=(uint32*)data;
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Mouse.data=0;
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Mouse.mzxold=Mouse.mzx;
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Mouse.mzyold=Mouse.mzy;
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Mouse.mzx=ptr[0];
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Mouse.mzy=ptr[1];
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Mouse.data|=ptr[2];
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if((Mouse.mzxold-Mouse.mzx)>0)
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Mouse.data|=0x0C;
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else if((Mouse.mzxold-Mouse.mzx)<0)
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Mouse.data|=0x04;
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if((Mouse.mzyold-Mouse.mzy)>0)
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Mouse.data|=0x30;
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else if((Mouse.mzyold-Mouse.mzy)<0)
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Mouse.data|=0x10;
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}
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static INPUTC MOUSEC={ReadMOUSE,0,StrobeMOUSE,UpdateMOUSE,0,0};
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INPUTC *FCEU_InitMouse(int w)
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{
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Mouse.mzx=0;
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Mouse.mzy=0;
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Mouse.mzxold=0;
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Mouse.mzyold=0;
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Mouse.data=0;
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return(&MOUSEC);
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}
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