70 lines
2.0 KiB
C
Executable File
70 lines
2.0 KiB
C
Executable File
/*****************************************************************************
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** $Source: /cygdrive/d/Private/_SVNROOT/bluemsx/blueMSX/Src/Input/CoinDevice.c,v $
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**
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** $Revision: 1.2 $
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**
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** $Date: 2008-03-30 18:38:40 $
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**
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** More info: http://www.bluemsx.com
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**
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** Copyright (C) 2003-2006 Daniel Vik
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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**
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******************************************************************************
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*/
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#include "CoinDevice.h"
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#include <stdlib.h>
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#include "InputEvent.h"
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#include "DeviceManager.h"
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#include "Board.h"
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struct CoinDevice {
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int deviceHandle;
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UInt32 time;
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};
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static void destroy(CoinDevice* coinDev)
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{
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deviceManagerUnregister(coinDev->deviceHandle);
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free(coinDev);
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}
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UInt8 coinDeviceRead(CoinDevice* coinDev)
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{
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if(coinDev->time == 0 && inputEventGetState(EC_C)) {
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coinDev->time = boardSystemTime();
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}
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if (coinDev->time != 0) {
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if ((boardSystemTime() - coinDev->time) < boardFrequency() * 2 / 10) {
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return 0;
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}
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coinDev->time = 0;
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}
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return 1;
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}
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CoinDevice* coinDeviceCreate()
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{
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DeviceCallbacks callbacks = { destroy, NULL, NULL, NULL };
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CoinDevice* coinDev = (CoinDevice*)calloc(1, sizeof(CoinDevice));
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coinDev->time = 0;
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coinDev->deviceHandle = deviceManagerRegister(ROM_UNKNOWN, &callbacks, coinDev);
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return coinDev;
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}
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