/*
 *	Emulator.h - Class whose actions are attached GUI widgets in a window,
 *				 used to control a single Basilisk II emulated Macintosh. 
 *
 *	$Id: Emulator.h,v 1.3 2003/06/03 12:22:30 nigel Exp $
 *
 *  Basilisk II (C) 1997-2001 Christian Bauer
 *
 *  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
 */

#import <Cocoa/Cocoa.h>
#import "EmulatorView.h"
#import "NNThread.h"

@interface Emulator : NSObject
{
	NNThread	*emul;			// Run emulThread
	NNTimer		*RTC,			// Invoke RTCinterrupt
				*redraw,		// Invoke redrawScreen
				*tick,			// Invoke tickInterrupt
				*xPRAM;			// Invoke xPRAMbackup

	BOOL		uaeCreated,		// Has thread created the emulator environment?
				running;		// Is the emulator currently grinding away?
	float		redrawDelay;	// Seconds until next screen update

	// UI elements that this class changes the state of

	IBOutlet NSProgressIndicator	*barberPole;
	IBOutlet NSButton				*runOrPause;
	IBOutlet EmulatorView			*screen;
	IBOutlet NSSlider				*speed;
	IBOutlet NSWindow				*win;
}

// The following allow the Controller and PrefsEditor classes to access our internal data

- (BOOL)			isRunning;
- (BOOL)			uaeCreated;
- (EmulatorView *)	screen;
- (NSSlider *)		speed;
- (NSWindow *)		window;

- (void) runUpdate;		// Update some UI elements

- (IBAction) Benchmark:		(id)sender;
- (IBAction) Interrupt:		(id)sender;
- (IBAction) PowerKey:		(id)sender;
- (IBAction) Restart:		(id)sender;
- (IBAction) Resume:		(id)sender;
- (IBAction) ScreenHideShow:(NSButton *)sender;
- (IBAction) Snapshot:		(id)sender;
- (IBAction) SpeedChange:	(NSSlider *)sender;
- (IBAction) Suspend:		(id)sender;
- (IBAction) Terminate:		(id)sender;
- (IBAction) ToggleState:	(NSButton *)sender;
- (IBAction) ZapPRAM:		(id)sender;

- (void) createThreads;
- (void) exitThreads;

- (void) emulThread;			// Thread for processor emulator
- (void) RTCinterrupt;			// Emulator real time clock update
- (void) redrawScreen;			// Draw emulator screen in window
- (void) tickInterrupt;			// Draw emulator screen in window
- (void) xPRAMbackup;			// PRAM watchdog

@end
