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//============================================================================
//
// 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) 1995-2007 by Bradford W. Mott and the Stella team
//
// See the file "license" for information on usage and redistribution of
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
//
// $Id: Keyboard.hxx,v 1.6 2007/01/01 18:04:48 stephena Exp $
//============================================================================
#ifndef KEYBOARD_HXX
#define KEYBOARD_HXX
#include "m6502/src/bspf/src/bspf.hxx"
#include "Control.hxx"
/**
The standard Atari 2600 keyboard controller
@author Bradford W. Mott
@version $Id: Keyboard.hxx,v 1.6 2007/01/01 18:04:48 stephena Exp $
*/
class Keyboard : public Controller
{
public:
/**
Create a new keyboard controller plugged into the specified jack
@param jack The jack the controller is plugged into
@param event The event object to use for events
*/
Keyboard(Jack jack, const Event& event);
/**
Destructor
*/
virtual ~Keyboard();
public:
/**
Read the value of the specified digital pin for this controller.
@param pin The pin of the controller jack to read
@return The state of the pin
*/
virtual bool read(DigitalPin pin);
/**
Read the resistance at the specified analog pin for this controller.
The returned value is the resistance measured in ohms.
@param pin The pin of the controller jack to read
@return The resistance at the specified pin
*/
virtual Int32 read(AnalogPin pin);
/**
Write the given value to the specified digital pin for this
controller. Writing is only allowed to the pins associated
with the PIA. Therefore you cannot write to pin six.
@param pin The pin of the controller jack to write to
@param value The value to write to the pin
*/
virtual void write(DigitalPin pin, bool value);
private:
// State of the output pins
uInt8 myPinState;
};
#endif