stella/src/emucore/Driving.hxx

75 lines
2.0 KiB
C++

//============================================================================
//
// SSSS tt lll lll
// SS SS tt ll ll
// SS tttttt eeee ll ll aaaa
// SSSS tt ee ee ll ll aa
// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
// SS SS tt ee ll ll aa aa
// SSSS ttt eeeee llll llll aaaaa
//
// Copyright (c) 1995-2010 by Bradford W. Mott, Stephen Anthony
// and the Stella Team
//
// See the file "License.txt" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id$
//============================================================================
#ifndef DRIVING_HXX
#define DRIVING_HXX
#include "bspf.hxx"
#include "Control.hxx"
#include "Event.hxx"
/**
The standard Atari 2600 Indy 500 driving controller.
@author Bradford W. Mott
@version $Id$
*/
class Driving : public Controller
{
public:
/**
Create a new Indy 500 driving controller plugged into
the specified jack
@param jack The jack the controller is plugged into
@param event The event object to use for events
@param system The system using this controller
*/
Driving(Jack jack, const Event& event, const System& system);
/**
Destructor
*/
virtual ~Driving();
public:
/**
Update the entire digital and analog pin state according to the
events currently set.
*/
virtual void update();
private:
// Counter to iterate through the gray codes
uInt32 myCounter;
// Index into the gray code table
uInt32 myGrayIndex;
// Y axis value from last yaxis event that was used to generate a new
// gray code
int myLastYaxis;
// Pre-compute the events we care about based on given port
// This will eliminate test for left or right port in update()
Event::Type myCWEvent, myCCWEvent, myFireEvent, myXAxisValue, myYAxisValue;
};
#endif