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CLK/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSAtari2600.mm

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//
// Atari2600.m
// CLK
//
// Created by Thomas Harte on 14/07/2015.
// Copyright © 2015 Thomas Harte. All rights reserved.
//
#import "CSAtari2600.h"
2016-07-05 20:39:31 +00:00
#include "Atari2600.hpp"
#import "CSMachine+Subclassing.h"
@interface CSAtari2600 ()
- (void)crt:(Outputs::CRT::CRT *)crt didEndBatchOfFrames:(unsigned int)numberOfFrames withUnexpectedVerticalSyncs:(unsigned int)numberOfUnexpectedSyncs;
@end
struct CRTDelegate: public Outputs::CRT::Delegate {
__weak CSAtari2600 *atari2600;
void crt_did_end_batch_of_frames(Outputs::CRT::CRT *crt, unsigned int number_of_frames, unsigned int number_of_unexpected_vertical_syncs) {
[atari2600 crt:crt didEndBatchOfFrames:number_of_frames withUnexpectedVerticalSyncs:number_of_unexpected_vertical_syncs];
}
};
@implementation CSAtari2600 {
Atari2600::Machine _atari2600;
CRTDelegate _crtDelegate;
int _frameCount;
int _hitCount;
BOOL _didDecideRegion;
int _batchesReceived;
}
- (void)crt:(Outputs::CRT::CRT *)crt didEndBatchOfFrames:(unsigned int)numberOfFrames withUnexpectedVerticalSyncs:(unsigned int)numberOfUnexpectedSyncs {
if(!_didDecideRegion)
{
_batchesReceived++;
if(_batchesReceived == 2)
{
_didDecideRegion = YES;
if(numberOfUnexpectedSyncs >= numberOfFrames >> 1)
{
[self.view performWithGLContext:^{
_atari2600.switch_region();
}];
}
}
}
}
- (void)setDirection:(CSJoystickDirection)direction onPad:(NSUInteger)pad isPressed:(BOOL)isPressed {
Atari2600DigitalInput input;
switch(direction)
{
case CSJoystickDirectionUp: input = pad ? Atari2600DigitalInputJoy2Up : Atari2600DigitalInputJoy1Up; break;
case CSJoystickDirectionDown: input = pad ? Atari2600DigitalInputJoy2Down : Atari2600DigitalInputJoy1Down; break;
case CSJoystickDirectionLeft: input = pad ? Atari2600DigitalInputJoy2Left : Atari2600DigitalInputJoy1Left; break;
case CSJoystickDirectionRight: input = pad ? Atari2600DigitalInputJoy2Right : Atari2600DigitalInputJoy1Right; break;
}
@synchronized(self) {
_atari2600.set_digital_input(input, isPressed ? true : false);
}
}
- (void)setButtonAtIndex:(NSUInteger)button onPad:(NSUInteger)pad isPressed:(BOOL)isPressed {
@synchronized(self) {
_atari2600.set_digital_input(pad ? Atari2600DigitalInputJoy2Fire : Atari2600DigitalInputJoy1Fire, isPressed ? true : false);
}
}
- (void)setResetLineEnabled:(BOOL)enabled {
@synchronized(self) {
_atari2600.set_reset_line(enabled ? true : false);
}
}
- (void)setupOutputWithAspectRatio:(float)aspectRatio {
@synchronized(self) {
[super setupOutputWithAspectRatio:aspectRatio];
_atari2600.get_crt()->set_delegate(&_crtDelegate);
_crtDelegate.atari2600 = self;
}
}
- (CRTMachine::Machine * const)machine {
return &_atari2600;
}
#pragma mark - Switches
- (void)setColourButton:(BOOL)colourButton {
_colourButton = colourButton;
@synchronized(self) {
_atari2600.set_switch_is_enabled(Atari2600SwitchColour, colourButton);
}
}
- (void)setLeftPlayerDifficultyButton:(BOOL)leftPlayerDifficultyButton {
_leftPlayerDifficultyButton = leftPlayerDifficultyButton;
@synchronized(self) {
_atari2600.set_switch_is_enabled(Atari2600SwitchLeftPlayerDifficulty, leftPlayerDifficultyButton);
}
}
- (void)setRightPlayerDifficultyButton:(BOOL)rightPlayerDifficultyButton {
_rightPlayerDifficultyButton = rightPlayerDifficultyButton;
@synchronized(self) {
_atari2600.set_switch_is_enabled(Atari2600SwitchRightPlayerDifficulty, rightPlayerDifficultyButton);
}
}
- (void)toggleSwitch:(Atari2600Switch)toggleSwitch {
@synchronized(self) {
_atari2600.set_switch_is_enabled(toggleSwitch, true);
}
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
@synchronized(self) {
_atari2600.set_switch_is_enabled(toggleSwitch, false);
}
});
}
- (void)pressResetButton {
[self toggleSwitch:Atari2600SwitchReset];
}
- (void)pressSelectButton {
[self toggleSwitch:Atari2600SwitchSelect];
}
- (NSString *)userDefaultsPrefix { return @"atari2600"; }
@end