SameBoy/Cocoa/Document.m
2021-04-14 16:44:51 +03:00

2163 lines
76 KiB
Objective-C
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#include <AVFoundation/AVFoundation.h>
#include <CoreAudio/CoreAudio.h>
#include <Core/gb.h>
#include "GBAudioClient.h"
#include "Document.h"
#include "AppDelegate.h"
#include "HexFiend/HexFiend.h"
#include "GBMemoryByteArray.h"
#include "GBWarningPopover.h"
#include "GBCheatWindowController.h"
#include "GBTerminalTextFieldCell.h"
#include "BigSurToolbar.h"
/* Todo: The general Objective-C coding style conflicts with SameBoy's. This file needs a cleanup. */
/* Todo: Split into category files! This is so messy!!! */
enum model {
MODEL_NONE,
MODEL_DMG,
MODEL_CGB,
MODEL_AGB,
MODEL_SGB,
};
@interface Document ()
{
NSMutableAttributedString *pending_console_output;
NSRecursiveLock *console_output_lock;
NSTimer *console_output_timer;
NSTimer *hex_timer;
bool fullScreen;
bool in_sync_input;
HFController *hex_controller;
NSString *lastConsoleInput;
HFLineCountingRepresenter *lineRep;
CVImageBufferRef cameraImage;
AVCaptureSession *cameraSession;
AVCaptureConnection *cameraConnection;
AVCaptureStillImageOutput *cameraOutput;
GB_oam_info_t oamInfo[40];
uint16_t oamCount;
uint8_t oamHeight;
bool oamUpdating;
NSMutableData *currentPrinterImageData;
enum {GBAccessoryNone, GBAccessoryPrinter, GBAccessoryWorkboy, GBAccessoryLinkCable} accessory;
bool rom_warning_issued;
NSMutableString *capturedOutput;
bool logToSideView;
bool shouldClearSideView;
enum model current_model;
bool rewind;
bool modelsChanging;
NSCondition *audioLock;
GB_sample_t *audioBuffer;
size_t audioBufferSize;
size_t audioBufferPosition;
size_t audioBufferNeeded;
bool borderModeChanged;
/* Link cable*/
Document *master;
Document *slave;
signed linkOffset;
bool linkCableBit;
}
@property GBAudioClient *audioClient;
- (void) vblank;
- (void) log: (const char *) log withAttributes: (GB_log_attributes) attributes;
- (char *) getDebuggerInput;
- (char *) getAsyncDebuggerInput;
- (void) cameraRequestUpdate;
- (uint8_t) cameraGetPixelAtX:(uint8_t)x andY:(uint8_t)y;
- (void) printImage:(uint32_t *)image height:(unsigned) height
topMargin:(unsigned) topMargin bottomMargin: (unsigned) bottomMargin
exposure:(unsigned) exposure;
- (void) gotNewSample:(GB_sample_t *)sample;
- (void) rumbleChanged:(double)amp;
- (void) loadBootROM:(GB_boot_rom_t)type;
- (void)linkCableBitStart:(bool)bit;
- (bool)linkCableBitEnd;
- (void)infraredStateChanged:(bool)state;
@end
static void boot_rom_load(GB_gameboy_t *gb, GB_boot_rom_t type)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self loadBootROM: type];
}
static void vblank(GB_gameboy_t *gb)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self vblank];
}
static void consoleLog(GB_gameboy_t *gb, const char *string, GB_log_attributes attributes)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self log:string withAttributes: attributes];
}
static char *consoleInput(GB_gameboy_t *gb)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
return [self getDebuggerInput];
}
static char *asyncConsoleInput(GB_gameboy_t *gb)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
char *ret = [self getAsyncDebuggerInput];
return ret;
}
static uint32_t rgbEncode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
{
return (r << 0) | (g << 8) | (b << 16) | 0xFF000000;
}
static void cameraRequestUpdate(GB_gameboy_t *gb)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self cameraRequestUpdate];
}
static uint8_t cameraGetPixel(GB_gameboy_t *gb, uint8_t x, uint8_t y)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
return [self cameraGetPixelAtX:x andY:y];
}
static void printImage(GB_gameboy_t *gb, uint32_t *image, uint8_t height,
uint8_t top_margin, uint8_t bottom_margin, uint8_t exposure)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self printImage:image height:height topMargin:top_margin bottomMargin:bottom_margin exposure:exposure];
}
static void setWorkboyTime(GB_gameboy_t *gb, time_t t)
{
[[NSUserDefaults standardUserDefaults] setInteger:time(NULL) - t forKey:@"GBWorkboyTimeOffset"];
}
static time_t getWorkboyTime(GB_gameboy_t *gb)
{
return time(NULL) - [[NSUserDefaults standardUserDefaults] integerForKey:@"GBWorkboyTimeOffset"];
}
static void audioCallback(GB_gameboy_t *gb, GB_sample_t *sample)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self gotNewSample:sample];
}
static void rumbleCallback(GB_gameboy_t *gb, double amp)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self rumbleChanged:amp];
}
static void linkCableBitStart(GB_gameboy_t *gb, bool bit_to_send)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self linkCableBitStart:bit_to_send];
}
static bool linkCableBitEnd(GB_gameboy_t *gb)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
return [self linkCableBitEnd];
}
static void infraredStateChanged(GB_gameboy_t *gb, bool on)
{
Document *self = (__bridge Document *)GB_get_user_data(gb);
[self infraredStateChanged:on];
}
@implementation Document
{
GB_gameboy_t gb;
volatile bool running;
volatile bool stopping;
NSConditionLock *has_debugger_input;
NSMutableArray *debugger_input_queue;
}
- (instancetype)init
{
self = [super init];
if (self) {
has_debugger_input = [[NSConditionLock alloc] initWithCondition:0];
debugger_input_queue = [[NSMutableArray alloc] init];
console_output_lock = [[NSRecursiveLock alloc] init];
audioLock = [[NSCondition alloc] init];
}
return self;
}
- (NSString *)bootROMPathForName:(NSString *)name
{
NSURL *url = [[NSUserDefaults standardUserDefaults] URLForKey:@"GBBootROMsFolder"];
if (url) {
NSString *path = [url path];
path = [path stringByAppendingPathComponent:name];
path = [path stringByAppendingPathExtension:@"bin"];
if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
return path;
}
}
return [[NSBundle mainBundle] pathForResource:name ofType:@"bin"];
}
- (GB_model_t)internalModel
{
switch (current_model) {
case MODEL_DMG:
return (GB_model_t)[[NSUserDefaults standardUserDefaults] integerForKey:@"GBDMGModel"];
case MODEL_NONE:
case MODEL_CGB:
return (GB_model_t)[[NSUserDefaults standardUserDefaults] integerForKey:@"GBCGBModel"];
case MODEL_SGB: {
GB_model_t model = (GB_model_t)[[NSUserDefaults standardUserDefaults] integerForKey:@"GBSGBModel"];
if (model == (GB_MODEL_SGB | GB_MODEL_PAL_BIT_OLD)) {
model = GB_MODEL_SGB_PAL;
}
return model;
}
case MODEL_AGB:
return GB_MODEL_AGB;
}
}
- (void) updatePalette
{
switch ([[NSUserDefaults standardUserDefaults] integerForKey:@"GBColorPalette"]) {
case 1:
GB_set_palette(&gb, &GB_PALETTE_DMG);
break;
case 2:
GB_set_palette(&gb, &GB_PALETTE_MGB);
break;
case 3:
GB_set_palette(&gb, &GB_PALETTE_GBL);
break;
default:
GB_set_palette(&gb, &GB_PALETTE_GREY);
break;
}
}
- (void) updateBorderMode
{
borderModeChanged = true;
}
- (void) updateRumbleMode
{
GB_set_rumble_mode(&gb, [[NSUserDefaults standardUserDefaults] integerForKey:@"GBRumbleMode"]);
}
- (void) initCommon
{
GB_init(&gb, [self internalModel]);
GB_set_user_data(&gb, (__bridge void *)(self));
GB_set_boot_rom_load_callback(&gb, (GB_boot_rom_load_callback_t)boot_rom_load);
GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
GB_set_log_callback(&gb, (GB_log_callback_t) consoleLog);
GB_set_input_callback(&gb, (GB_input_callback_t) consoleInput);
GB_set_async_input_callback(&gb, (GB_input_callback_t) asyncConsoleInput);
GB_set_color_correction_mode(&gb, (GB_color_correction_mode_t) [[NSUserDefaults standardUserDefaults] integerForKey:@"GBColorCorrection"]);
GB_set_light_temperature(&gb, [[NSUserDefaults standardUserDefaults] doubleForKey:@"GBLightTemperature"]);
GB_set_interference_volume(&gb, [[NSUserDefaults standardUserDefaults] doubleForKey:@"GBInterferenceVolume"]);
GB_set_border_mode(&gb, (GB_border_mode_t) [[NSUserDefaults standardUserDefaults] integerForKey:@"GBBorderMode"]);
[self updatePalette];
GB_set_rgb_encode_callback(&gb, rgbEncode);
GB_set_camera_get_pixel_callback(&gb, cameraGetPixel);
GB_set_camera_update_request_callback(&gb, cameraRequestUpdate);
GB_set_highpass_filter_mode(&gb, (GB_highpass_mode_t) [[NSUserDefaults standardUserDefaults] integerForKey:@"GBHighpassFilter"]);
GB_set_rewind_length(&gb, [[NSUserDefaults standardUserDefaults] integerForKey:@"GBRewindLength"]);
GB_set_rtc_mode(&gb, [[NSUserDefaults standardUserDefaults] integerForKey:@"GBRTCMode"]);
GB_apu_set_sample_callback(&gb, audioCallback);
GB_set_rumble_callback(&gb, rumbleCallback);
GB_set_infrared_callback(&gb, infraredStateChanged);
[self updateRumbleMode];
}
- (void) updateMinSize
{
self.mainWindow.contentMinSize = NSMakeSize(GB_get_screen_width(&gb), GB_get_screen_height(&gb));
if (self.mainWindow.contentView.bounds.size.width < GB_get_screen_width(&gb) ||
self.mainWindow.contentView.bounds.size.width < GB_get_screen_height(&gb)) {
[self.mainWindow zoom:nil];
}
}
- (void) vblank
{
if (_gbsVisualizer) {
dispatch_async(dispatch_get_main_queue(), ^{
[_gbsVisualizer setNeedsDisplay:YES];
});
}
[self.view flip];
if (borderModeChanged) {
dispatch_sync(dispatch_get_main_queue(), ^{
size_t previous_width = GB_get_screen_width(&gb);
GB_set_border_mode(&gb, (GB_border_mode_t) [[NSUserDefaults standardUserDefaults] integerForKey:@"GBBorderMode"]);
if (GB_get_screen_width(&gb) != previous_width) {
[self.view screenSizeChanged];
[self updateMinSize];
}
});
borderModeChanged = false;
}
GB_set_pixels_output(&gb, self.view.pixels);
if (self.vramWindow.isVisible) {
dispatch_async(dispatch_get_main_queue(), ^{
self.view.mouseHidingEnabled = (self.mainWindow.styleMask & NSWindowStyleMaskFullScreen) != 0;
[self reloadVRAMData: nil];
});
}
if (self.view.isRewinding) {
rewind = true;
}
}
- (void)gotNewSample:(GB_sample_t *)sample
{
if (_gbsVisualizer) {
[_gbsVisualizer addSample:sample];
}
[audioLock lock];
if (self.audioClient.isPlaying) {
if (audioBufferPosition == audioBufferSize) {
if (audioBufferSize >= 0x4000) {
audioBufferPosition = 0;
[audioLock unlock];
return;
}
if (audioBufferSize == 0) {
audioBufferSize = 512;
}
else {
audioBufferSize += audioBufferSize >> 2;
}
audioBuffer = realloc(audioBuffer, sizeof(*sample) * audioBufferSize);
}
audioBuffer[audioBufferPosition++] = *sample;
}
if (audioBufferPosition == audioBufferNeeded) {
[audioLock signal];
audioBufferNeeded = 0;
}
[audioLock unlock];
}
- (void)rumbleChanged:(double)amp
{
[_view setRumble:amp];
}
- (void) preRun
{
GB_set_pixels_output(&gb, self.view.pixels);
GB_set_sample_rate(&gb, 96000);
self.audioClient = [[GBAudioClient alloc] initWithRendererBlock:^(UInt32 sampleRate, UInt32 nFrames, GB_sample_t *buffer) {
[audioLock lock];
if (audioBufferPosition < nFrames) {
audioBufferNeeded = nFrames;
[audioLock wait];
}
if (stopping || GB_debugger_is_stopped(&gb)) {
memset(buffer, 0, nFrames * sizeof(*buffer));
[audioLock unlock];
return;
}
if (audioBufferPosition >= nFrames && audioBufferPosition < nFrames + 4800) {
memcpy(buffer, audioBuffer, nFrames * sizeof(*buffer));
memmove(audioBuffer, audioBuffer + nFrames, (audioBufferPosition - nFrames) * sizeof(*buffer));
audioBufferPosition = audioBufferPosition - nFrames;
}
else {
memcpy(buffer, audioBuffer + (audioBufferPosition - nFrames), nFrames * sizeof(*buffer));
audioBufferPosition = 0;
}
[audioLock unlock];
} andSampleRate:96000];
if (![[NSUserDefaults standardUserDefaults] boolForKey:@"Mute"]) {
[self.audioClient start];
}
hex_timer = [NSTimer timerWithTimeInterval:0.25 target:self selector:@selector(reloadMemoryView) userInfo:nil repeats:YES];
[[NSRunLoop mainRunLoop] addTimer:hex_timer forMode:NSDefaultRunLoopMode];
/* Clear pending alarms, don't play alarms while playing */
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"GBNotificationsUsed"]) {
NSUserNotificationCenter *center = [NSUserNotificationCenter defaultUserNotificationCenter];
for (NSUserNotification *notification in [center scheduledNotifications]) {
if ([notification.identifier isEqualToString:self.fileURL.path]) {
[center removeScheduledNotification:notification];
break;
}
}
for (NSUserNotification *notification in [center deliveredNotifications]) {
if ([notification.identifier isEqualToString:self.fileURL.path]) {
[center removeDeliveredNotification:notification];
break;
}
}
}
}
static unsigned *multiplication_table_for_frequency(unsigned frequency)
{
unsigned *ret = malloc(sizeof(*ret) * 0x100);
for (unsigned i = 0; i < 0x100; i++) {
ret[i] = i * frequency;
}
return ret;
}
- (void) run
{
assert(!master);
running = true;
[self preRun];
if (slave) {
[slave preRun];
unsigned *masterTable = multiplication_table_for_frequency(GB_get_clock_rate(&gb));
unsigned *slaveTable = multiplication_table_for_frequency(GB_get_clock_rate(&slave->gb));
while (running) {
if (linkOffset <= 0) {
linkOffset += slaveTable[GB_run(&gb)];
}
else {
linkOffset -= masterTable[GB_run(&slave->gb)];
}
}
free(masterTable);
free(slaveTable);
[slave postRun];
}
else {
while (running) {
if (rewind) {
rewind = false;
GB_rewind_pop(&gb);
if (!GB_rewind_pop(&gb)) {
rewind = self.view.isRewinding;
}
}
else {
GB_run(&gb);
}
}
}
[self postRun];
stopping = false;
}
- (void)postRun
{
[hex_timer invalidate];
[audioLock lock];
memset(audioBuffer, 0, (audioBufferSize - audioBufferPosition) * sizeof(*audioBuffer));
audioBufferPosition = audioBufferNeeded;
[audioLock signal];
[audioLock unlock];
[self.audioClient stop];
self.audioClient = nil;
self.view.mouseHidingEnabled = NO;
GB_save_battery(&gb, [[[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:@"sav"].path UTF8String]);
GB_save_cheats(&gb, [[[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:@"cht"].path UTF8String]);
unsigned time_to_alarm = GB_time_to_alarm(&gb);
if (time_to_alarm) {
[NSUserNotificationCenter defaultUserNotificationCenter].delegate = (id)[NSApp delegate];
NSUserNotification *notification = [[NSUserNotification alloc] init];
NSString *friendlyName = [[self.fileURL lastPathComponent] stringByDeletingPathExtension];
NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"\\([^)]+\\)|\\[[^\\]]+\\]" options:0 error:nil];
friendlyName = [regex stringByReplacingMatchesInString:friendlyName options:0 range:NSMakeRange(0, [friendlyName length]) withTemplate:@""];
friendlyName = [friendlyName stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
notification.title = [NSString stringWithFormat:@"%@ Played an Alarm", friendlyName];
notification.informativeText = [NSString stringWithFormat:@"%@ requested your attention by playing a scheduled alarm", friendlyName];
notification.identifier = self.fileURL.path;
notification.deliveryDate = [NSDate dateWithTimeIntervalSinceNow:time_to_alarm];
notification.soundName = NSUserNotificationDefaultSoundName;
[[NSUserNotificationCenter defaultUserNotificationCenter] scheduleNotification:notification];
[[NSUserDefaults standardUserDefaults] setBool:true forKey:@"GBNotificationsUsed"];
}
[_view setRumble:0];
}
- (void) start
{
self.gbsPlayPauseButton.state = true;
self.view.mouseHidingEnabled = (self.mainWindow.styleMask & NSWindowStyleMaskFullScreen) != 0;
if (master) {
[master start];
return;
}
if (running) return;
[[[NSThread alloc] initWithTarget:self selector:@selector(run) object:nil] start];
}
- (void) stop
{
self.gbsPlayPauseButton.state = false;
if (master) {
if (!master->running) return;
GB_debugger_set_disabled(&gb, true);
if (GB_debugger_is_stopped(&gb)) {
[self interruptDebugInputRead];
}
[master stop];
GB_debugger_set_disabled(&gb, false);
return;
}
if (!running) return;
GB_debugger_set_disabled(&gb, true);
if (GB_debugger_is_stopped(&gb)) {
[self interruptDebugInputRead];
}
[audioLock lock];
stopping = true;
[audioLock signal];
[audioLock unlock];
running = false;
while (stopping) {
[audioLock lock];
[audioLock signal];
[audioLock unlock];
}
GB_debugger_set_disabled(&gb, false);
}
- (void) loadBootROM: (GB_boot_rom_t)type
{
static NSString *const names[] = {
[GB_BOOT_ROM_DMG0] = @"dmg0_boot",
[GB_BOOT_ROM_DMG] = @"dmg_boot",
[GB_BOOT_ROM_MGB] = @"mgb_boot",
[GB_BOOT_ROM_SGB] = @"sgb_boot",
[GB_BOOT_ROM_SGB2] = @"sgb2_boot",
[GB_BOOT_ROM_CGB0] = @"cgb0_boot",
[GB_BOOT_ROM_CGB] = @"cgb_boot",
[GB_BOOT_ROM_AGB] = @"agb_boot",
};
GB_load_boot_rom(&gb, [[self bootROMPathForName:names[type]] UTF8String]);
}
- (IBAction)reset:(id)sender
{
[self stop];
size_t old_width = GB_get_screen_width(&gb);
if ([sender tag] != MODEL_NONE) {
current_model = (enum model)[sender tag];
}
if (!modelsChanging && [sender tag] == MODEL_NONE) {
GB_reset(&gb);
}
else {
GB_switch_model_and_reset(&gb, [self internalModel]);
}
if (old_width != GB_get_screen_width(&gb)) {
[self.view screenSizeChanged];
}
[self updateMinSize];
if ([sender tag] != 0) {
/* User explictly selected a model, save the preference */
[[NSUserDefaults standardUserDefaults] setBool:current_model == MODEL_DMG forKey:@"EmulateDMG"];
[[NSUserDefaults standardUserDefaults] setBool:current_model == MODEL_SGB forKey:@"EmulateSGB"];
[[NSUserDefaults standardUserDefaults] setBool:current_model == MODEL_AGB forKey:@"EmulateAGB"];
}
/* Reload the ROM, SAV and SYM files */
[self loadROM];
[self start];
if (hex_controller) {
/* Verify bank sanity, especially when switching models. */
[(GBMemoryByteArray *)(hex_controller.byteArray) setSelectedBank:0];
[self hexUpdateBank:self.memoryBankInput ignoreErrors:true];
}
}
- (IBAction)togglePause:(id)sender
{
if (master) {
[master togglePause:sender];
return;
}
if (running) {
[self stop];
}
else {
[self start];
}
}
- (void)dealloc
{
[cameraSession stopRunning];
self.view.gb = NULL;
GB_free(&gb);
if (cameraImage) {
CVBufferRelease(cameraImage);
}
if (audioBuffer) {
free(audioBuffer);
}
}
- (void)windowControllerDidLoadNib:(NSWindowController *)aController
{
[super windowControllerDidLoadNib:aController];
// Interface Builder bug?
[self.consoleWindow setContentSize:self.consoleWindow.minSize];
/* Close Open Panels, if any */
for (NSWindow *window in [[NSApplication sharedApplication] windows]) {
if ([window isKindOfClass:[NSOpenPanel class]]) {
[(NSOpenPanel *)window cancel:self];
}
}
NSMutableParagraphStyle *paragraph_style = [[NSMutableParagraphStyle alloc] init];
[paragraph_style setLineSpacing:2];
self.debuggerSideViewInput.font = [NSFont userFixedPitchFontOfSize:12];
self.debuggerSideViewInput.textColor = [NSColor whiteColor];
self.debuggerSideViewInput.defaultParagraphStyle = paragraph_style;
[self.debuggerSideViewInput setString:@"registers\nbacktrace\n"];
((GBTerminalTextFieldCell *)self.consoleInput.cell).gb = &gb;
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateSideView)
name:NSTextDidChangeNotification
object:self.debuggerSideViewInput];
self.consoleOutput.textContainerInset = NSMakeSize(4, 4);
[self.view becomeFirstResponder];
self.view.frameBlendingMode = [[NSUserDefaults standardUserDefaults] integerForKey:@"GBFrameBlendingMode"];
CGRect window_frame = self.mainWindow.frame;
window_frame.size.width = MAX([[NSUserDefaults standardUserDefaults] integerForKey:@"LastWindowWidth"],
window_frame.size.width);
window_frame.size.height = MAX([[NSUserDefaults standardUserDefaults] integerForKey:@"LastWindowHeight"],
window_frame.size.height);
[self.mainWindow setFrame:window_frame display:YES];
self.vramStatusLabel.cell.backgroundStyle = NSBackgroundStyleRaised;
self.consoleWindow.title = [NSString stringWithFormat:@"Debug Console %@", [self.fileURL.path lastPathComponent]];
self.debuggerSplitView.dividerColor = [NSColor clearColor];
if (@available(macOS 11.0, *)) {
self.memoryWindow.toolbarStyle = NSWindowToolbarStyleExpanded;
self.printerFeedWindow.toolbarStyle = NSWindowToolbarStyleUnifiedCompact;
[self.printerFeedWindow.toolbar removeItemAtIndex:1];
self.printerFeedWindow.toolbar.items.firstObject.image =
[NSImage imageWithSystemSymbolName:@"square.and.arrow.down"
accessibilityDescription:@"Save"];
self.printerFeedWindow.toolbar.items.lastObject.image =
[NSImage imageWithSystemSymbolName:@"printer"
accessibilityDescription:@"Print"];
}
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateHighpassFilter)
name:@"GBHighpassFilterChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateColorCorrectionMode)
name:@"GBColorCorrectionChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateLightTemperature)
name:@"GBLightTemperatureChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateInterferenceVolume)
name:@"GBInterferenceVolumeChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateFrameBlendingMode)
name:@"GBFrameBlendingModeChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updatePalette)
name:@"GBColorPaletteChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateBorderMode)
name:@"GBBorderModeChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateRumbleMode)
name:@"GBRumbleModeChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateRewindLength)
name:@"GBRewindLengthChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateRTCMode)
name:@"GBRTCModeChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(dmgModelChanged)
name:@"GBDMGModelChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(sgbModelChanged)
name:@"GBSGBModelChanged"
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(cgbModelChanged)
name:@"GBCGBModelChanged"
object:nil];
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"EmulateDMG"]) {
current_model = MODEL_DMG;
}
else if ([[NSUserDefaults standardUserDefaults] boolForKey:@"EmulateSGB"]) {
current_model = MODEL_SGB;
}
else {
current_model = [[NSUserDefaults standardUserDefaults] boolForKey:@"EmulateAGB"]? MODEL_AGB : MODEL_CGB;
}
[self initCommon];
self.view.gb = &gb;
[self.view screenSizeChanged];
[self loadROM];
[self reset:nil];
}
- (void) initMemoryView
{
hex_controller = [[HFController alloc] init];
[hex_controller setBytesPerColumn:1];
[hex_controller setEditMode:HFOverwriteMode];
[hex_controller setByteArray:[[GBMemoryByteArray alloc] initWithDocument:self]];
/* Here we're going to make three representers - one for the hex, one for the ASCII, and one for the scrollbar. To lay these all out properly, we'll use a fourth HFLayoutRepresenter. */
HFLayoutRepresenter *layoutRep = [[HFLayoutRepresenter alloc] init];
HFHexTextRepresenter *hexRep = [[HFHexTextRepresenter alloc] init];
HFStringEncodingTextRepresenter *asciiRep = [[HFStringEncodingTextRepresenter alloc] init];
HFVerticalScrollerRepresenter *scrollRep = [[HFVerticalScrollerRepresenter alloc] init];
lineRep = [[HFLineCountingRepresenter alloc] init];
HFStatusBarRepresenter *statusRep = [[HFStatusBarRepresenter alloc] init];
lineRep.lineNumberFormat = HFLineNumberFormatHexadecimal;
/* Add all our reps to the controller. */
[hex_controller addRepresenter:layoutRep];
[hex_controller addRepresenter:hexRep];
[hex_controller addRepresenter:asciiRep];
[hex_controller addRepresenter:scrollRep];
[hex_controller addRepresenter:lineRep];
[hex_controller addRepresenter:statusRep];
/* Tell the layout rep which reps it should lay out. */
[layoutRep addRepresenter:hexRep];
[layoutRep addRepresenter:scrollRep];
[layoutRep addRepresenter:asciiRep];
[layoutRep addRepresenter:lineRep];
[layoutRep addRepresenter:statusRep];
[(NSView *)[hexRep view] setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
/* Grab the layout rep's view and stick it into our container. */
NSView *layoutView = [layoutRep view];
NSRect layoutViewFrame = self.memoryView.frame;
[layoutView setFrame:layoutViewFrame];
[layoutView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable | NSViewMaxYMargin];
[self.memoryView addSubview:layoutView];
self.memoryBankItem.enabled = false;
}
+ (BOOL)autosavesInPlace
{
return YES;
}
- (NSString *)windowNibName
{
// Override returning the nib file name of the document
// If you need to use a subclass of NSWindowController or if your document supports multiple NSWindowControllers, you should remove this method and override -makeWindowControllers instead.
return @"Document";
}
- (BOOL)readFromFile:(NSString *)fileName ofType:(NSString *)type
{
return YES;
}
- (IBAction)changeGBSTrack:(id)sender
{
if (!running) {
[self start];
}
[self performAtomicBlock:^{
GB_gbs_switch_track(&gb, self.gbsTracks.indexOfSelectedItem);
}];
}
- (IBAction)gbsNextPrevPushed:(id)sender
{
if (self.gbsNextPrevButton.selectedSegment == 0) {
// Previous
if (self.gbsTracks.indexOfSelectedItem == 0) {
[self.gbsTracks selectItemAtIndex:self.gbsTracks.numberOfItems - 1];
}
else {
[self.gbsTracks selectItemAtIndex:self.gbsTracks.indexOfSelectedItem - 1];
}
}
else {
// Next
if (self.gbsTracks.indexOfSelectedItem == self.gbsTracks.numberOfItems - 1) {
[self.gbsTracks selectItemAtIndex: 0];
}
else {
[self.gbsTracks selectItemAtIndex:self.gbsTracks.indexOfSelectedItem + 1];
}
}
[self changeGBSTrack:sender];
}
- (void)prepareGBSInterface: (GB_gbs_info_t *)info
{
GB_set_rendering_disabled(&gb, true);
_view = nil;
for (NSView *view in _mainWindow.contentView.subviews) {
[view removeFromSuperview];
}
[[NSBundle mainBundle] loadNibNamed:@"GBS" owner:self topLevelObjects:nil];
[_mainWindow setContentSize:self.gbsPlayerView.bounds.size];
_mainWindow.styleMask &= ~NSWindowStyleMaskResizable;
dispatch_async(dispatch_get_main_queue(), ^{ // Cocoa is weird, no clue why it's needed
[_mainWindow standardWindowButton:NSWindowZoomButton].enabled = false;
});
[_mainWindow.contentView addSubview:self.gbsPlayerView];
_mainWindow.movableByWindowBackground = true;
[_mainWindow setContentBorderThickness:24 forEdge:NSRectEdgeMinY];
self.gbsTitle.stringValue = [NSString stringWithCString:info->title encoding:NSISOLatin1StringEncoding] ?: @"GBS Player";
self.gbsAuthor.stringValue = [NSString stringWithCString:info->author encoding:NSISOLatin1StringEncoding] ?: @"Unknown Composer";
NSString *copyright = [NSString stringWithCString:info->copyright encoding:NSISOLatin1StringEncoding];
if (copyright) {
copyright = [@"©" stringByAppendingString:copyright];
}
self.gbsCopyright.stringValue = copyright ?: @"Missing copyright information";
for (unsigned i = 0; i < info->track_count; i++) {
[self.gbsTracks addItemWithTitle:[NSString stringWithFormat:@"Track %u", i + 1]];
}
[self.gbsTracks selectItemAtIndex:info->first_track];
self.gbsPlayPauseButton.image.template = true;
self.gbsPlayPauseButton.alternateImage.template = true;
self.gbsRewindButton.image.template = true;
for (unsigned i = 0; i < 2; i++) {
[self.gbsNextPrevButton imageForSegment:i].template = true;
}
if (!self.audioClient.isPlaying) {
[self.audioClient start];
}
if (@available(macOS 10.10, *)) {
_mainWindow.titlebarAppearsTransparent = true;
}
}
- (void) loadROM
{
NSString *rom_warnings = [self captureOutputForBlock:^{
GB_debugger_clear_symbols(&gb);
if ([[[self.fileType pathExtension] lowercaseString] isEqualToString:@"isx"]) {
GB_load_isx(&gb, self.fileURL.path.UTF8String);
GB_load_battery(&gb, [[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:@"ram"].path.UTF8String);
}
else if ([[[self.fileType pathExtension] lowercaseString] isEqualToString:@"gbs"]) {
__block GB_gbs_info_t info;
GB_load_gbs(&gb, self.fileURL.path.UTF8String, &info);
[self prepareGBSInterface:&info];
}
else {
GB_load_rom(&gb, [self.fileURL.path UTF8String]);
}
GB_load_battery(&gb, [[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:@"sav"].path.UTF8String);
GB_load_cheats(&gb, [[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:@"cht"].path.UTF8String);
[self.cheatWindowController cheatsUpdated];
GB_debugger_load_symbol_file(&gb, [[[NSBundle mainBundle] pathForResource:@"registers" ofType:@"sym"] UTF8String]);
GB_debugger_load_symbol_file(&gb, [[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:@"sym"].path.UTF8String);
}];
if (rom_warnings && !rom_warning_issued) {
rom_warning_issued = true;
[GBWarningPopover popoverWithContents:rom_warnings onWindow:self.mainWindow];
}
}
- (void)close
{
[self disconnectLinkCable];
if (!self.gbsPlayerView) {
[[NSUserDefaults standardUserDefaults] setInteger:self.mainWindow.frame.size.width forKey:@"LastWindowWidth"];
[[NSUserDefaults standardUserDefaults] setInteger:self.mainWindow.frame.size.height forKey:@"LastWindowHeight"];
}
[self stop];
[self.consoleWindow close];
[self.memoryWindow close];
[self.vramWindow close];
[self.printerFeedWindow close];
[self.cheatsWindow close];
[super close];
}
- (IBAction) interrupt:(id)sender
{
[self log:"^C\n"];
GB_debugger_break(&gb);
[self start];
[self.consoleWindow makeKeyAndOrderFront:nil];
[self.consoleInput becomeFirstResponder];
}
- (IBAction)mute:(id)sender
{
if (self.audioClient.isPlaying) {
[self.audioClient stop];
}
else {
[self.audioClient start];
}
[[NSUserDefaults standardUserDefaults] setBool:!self.audioClient.isPlaying forKey:@"Mute"];
}
- (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)anItem
{
if ([anItem action] == @selector(mute:)) {
[(NSMenuItem *)anItem setState:!self.audioClient.isPlaying];
}
else if ([anItem action] == @selector(togglePause:)) {
if (master) {
[(NSMenuItem *)anItem setState:(!master->running) || (GB_debugger_is_stopped(&gb)) || (GB_debugger_is_stopped(&gb))];
}
[(NSMenuItem *)anItem setState:(!running) || (GB_debugger_is_stopped(&gb))];
return !GB_debugger_is_stopped(&gb);
}
else if ([anItem action] == @selector(reset:) && anItem.tag != MODEL_NONE) {
[(NSMenuItem*)anItem setState:anItem.tag == current_model];
}
else if ([anItem action] == @selector(interrupt:)) {
if (![[NSUserDefaults standardUserDefaults] boolForKey:@"DeveloperMode"]) {
return false;
}
}
else if ([anItem action] == @selector(disconnectAllAccessories:)) {
[(NSMenuItem*)anItem setState:accessory == GBAccessoryNone];
}
else if ([anItem action] == @selector(connectPrinter:)) {
[(NSMenuItem*)anItem setState:accessory == GBAccessoryPrinter];
}
else if ([anItem action] == @selector(connectWorkboy:)) {
[(NSMenuItem*)anItem setState:accessory == GBAccessoryWorkboy];
}
else if ([anItem action] == @selector(connectLinkCable:)) {
[(NSMenuItem*)anItem setState:[(NSMenuItem *)anItem representedObject] == master ||
[(NSMenuItem *)anItem representedObject] == slave];
}
else if ([anItem action] == @selector(toggleCheats:)) {
[(NSMenuItem*)anItem setState:GB_cheats_enabled(&gb)];
}
return [super validateUserInterfaceItem:anItem];
}
- (void) windowWillEnterFullScreen:(NSNotification *)notification
{
fullScreen = true;
self.view.mouseHidingEnabled = running;
}
- (void) windowWillExitFullScreen:(NSNotification *)notification
{
fullScreen = false;
self.view.mouseHidingEnabled = NO;
}
- (NSRect)windowWillUseStandardFrame:(NSWindow *)window defaultFrame:(NSRect)newFrame
{
if (fullScreen) {
return newFrame;
}
size_t width = GB_get_screen_width(&gb),
height = GB_get_screen_height(&gb);
NSRect rect = window.contentView.frame;
unsigned titlebarSize = window.contentView.superview.frame.size.height - rect.size.height;
unsigned step = width / [[window screen] backingScaleFactor];
rect.size.width = floor(rect.size.width / step) * step + step;
rect.size.height = rect.size.width * height / width + titlebarSize;
if (rect.size.width > newFrame.size.width) {
rect.size.width = width;
rect.size.height = height + titlebarSize;
}
else if (rect.size.height > newFrame.size.height) {
rect.size.width = width;
rect.size.height = height + titlebarSize;
}
rect.origin = window.frame.origin;
rect.origin.y -= rect.size.height - window.frame.size.height;
return rect;
}
- (void) appendPendingOutput
{
[console_output_lock lock];
if (shouldClearSideView) {
shouldClearSideView = false;
[self.debuggerSideView setString:@""];
}
if (pending_console_output) {
NSTextView *textView = logToSideView? self.debuggerSideView : self.consoleOutput;
[hex_controller reloadData];
[self reloadVRAMData: nil];
[textView.textStorage appendAttributedString:pending_console_output];
[textView scrollToEndOfDocument:nil];
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DeveloperMode"]) {
[self.consoleWindow orderFront:nil];
}
pending_console_output = nil;
}
[console_output_lock unlock];
}
- (void) log: (const char *) string withAttributes: (GB_log_attributes) attributes
{
NSString *nsstring = @(string); // For ref-counting
if (capturedOutput) {
[capturedOutput appendString:nsstring];
return;
}
NSFont *font = [NSFont userFixedPitchFontOfSize:12];
NSUnderlineStyle underline = NSUnderlineStyleNone;
if (attributes & GB_LOG_BOLD) {
font = [[NSFontManager sharedFontManager] convertFont:font toHaveTrait:NSBoldFontMask];
}
if (attributes & GB_LOG_UNDERLINE_MASK) {
underline = (attributes & GB_LOG_UNDERLINE_MASK) == GB_LOG_DASHED_UNDERLINE? NSUnderlinePatternDot | NSUnderlineStyleSingle : NSUnderlineStyleSingle;
}
NSMutableParagraphStyle *paragraph_style = [[NSMutableParagraphStyle alloc] init];
[paragraph_style setLineSpacing:2];
NSMutableAttributedString *attributed =
[[NSMutableAttributedString alloc] initWithString:nsstring
attributes:@{NSFontAttributeName: font,
NSForegroundColorAttributeName: [NSColor whiteColor],
NSUnderlineStyleAttributeName: @(underline),
NSParagraphStyleAttributeName: paragraph_style}];
[console_output_lock lock];
if (!pending_console_output) {
pending_console_output = attributed;
}
else {
[pending_console_output appendAttributedString:attributed];
}
if (![console_output_timer isValid]) {
console_output_timer = [NSTimer timerWithTimeInterval:(NSTimeInterval)0.05 target:self selector:@selector(appendPendingOutput) userInfo:nil repeats:NO];
[[NSRunLoop mainRunLoop] addTimer:console_output_timer forMode:NSDefaultRunLoopMode];
}
[console_output_lock unlock];
/* Make sure mouse is not hidden while debugging */
self.view.mouseHidingEnabled = NO;
}
- (IBAction)showConsoleWindow:(id)sender
{
[self.consoleWindow orderBack:nil];
}
- (IBAction)consoleInput:(NSTextField *)sender
{
NSString *line = [sender stringValue];
if ([line isEqualToString:@""] && lastConsoleInput) {
line = lastConsoleInput;
}
else if (line) {
lastConsoleInput = line;
}
else {
line = @"";
}
if (!in_sync_input) {
[self log:">"];
}
[self log:[line UTF8String]];
[self log:"\n"];
[has_debugger_input lock];
[debugger_input_queue addObject:line];
[has_debugger_input unlockWithCondition:1];
[sender setStringValue:@""];
}
- (void) interruptDebugInputRead
{
[has_debugger_input lock];
[debugger_input_queue addObject:[NSNull null]];
[has_debugger_input unlockWithCondition:1];
}
- (void) updateSideView
{
if (!GB_debugger_is_stopped(&gb)) {
return;
}
if (![NSThread isMainThread]) {
dispatch_sync(dispatch_get_main_queue(), ^{
[self updateSideView];
});
return;
}
[console_output_lock lock];
shouldClearSideView = true;
[self appendPendingOutput];
logToSideView = true;
[console_output_lock unlock];
for (NSString *line in [self.debuggerSideViewInput.string componentsSeparatedByString:@"\n"]) {
NSString *stripped = [line stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
if ([stripped length]) {
char *dupped = strdup([stripped UTF8String]);
GB_attributed_log(&gb, GB_LOG_BOLD, "%s:\n", dupped);
GB_debugger_execute_command(&gb, dupped);
GB_log(&gb, "\n");
free(dupped);
}
}
[console_output_lock lock];
[self appendPendingOutput];
logToSideView = false;
[console_output_lock unlock];
}
- (char *) getDebuggerInput
{
[audioLock lock];
[audioLock signal];
[audioLock unlock];
[self updateSideView];
[self log:">"];
in_sync_input = true;
[has_debugger_input lockWhenCondition:1];
NSString *input = [debugger_input_queue firstObject];
[debugger_input_queue removeObjectAtIndex:0];
[has_debugger_input unlockWithCondition:[debugger_input_queue count] != 0];
in_sync_input = false;
shouldClearSideView = true;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(NSEC_PER_SEC / 10)), dispatch_get_main_queue(), ^{
if (shouldClearSideView) {
shouldClearSideView = false;
[self.debuggerSideView setString:@""];
}
});
if ((id) input == [NSNull null]) {
return NULL;
}
return strdup([input UTF8String]);
}
- (char *) getAsyncDebuggerInput
{
[has_debugger_input lock];
NSString *input = [debugger_input_queue firstObject];
if (input) {
[debugger_input_queue removeObjectAtIndex:0];
}
[has_debugger_input unlockWithCondition:[debugger_input_queue count] != 0];
if ((id)input == [NSNull null]) {
return NULL;
}
return input? strdup([input UTF8String]): NULL;
}
- (IBAction)saveState:(id)sender
{
bool __block success = false;
[self performAtomicBlock:^{
success = GB_save_state(&gb, [[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]].path.UTF8String) == 0;
}];
if (!success) {
[GBWarningPopover popoverWithContents:@"Failed to write save state." onWindow:self.mainWindow];
NSBeep();
}
}
- (bool)loadStateFile:(const char *)path
{
bool __block success = false;
NSString *error =
[self captureOutputForBlock:^{
success = GB_load_state(&gb, path) == 0;
}];
if (!success) {
NSBeep();
}
if (error) {
[GBWarningPopover popoverWithContents:error onWindow:self.mainWindow];
}
return success;
}
- (IBAction)loadState:(id)sender
{
[self loadStateFile:[[self.fileURL URLByDeletingPathExtension] URLByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]].path.UTF8String];
}
- (IBAction)clearConsole:(id)sender
{
[self.consoleOutput setString:@""];
}
- (void)log:(const char *)log
{
[self log:log withAttributes:0];
}
- (uint8_t) readMemory:(uint16_t)addr
{
while (!GB_is_inited(&gb));
return GB_read_memory(&gb, addr);
}
- (void) writeMemory:(uint16_t)addr value:(uint8_t)value
{
while (!GB_is_inited(&gb));
GB_write_memory(&gb, addr, value);
}
- (void) performAtomicBlock: (void (^)())block
{
while (!GB_is_inited(&gb));
bool was_running = running && !GB_debugger_is_stopped(&gb);
if (master) {
was_running |= master->running;
}
if (was_running) {
[self stop];
}
block();
if (was_running) {
[self start];
}
}
- (NSString *) captureOutputForBlock: (void (^)())block
{
capturedOutput = [[NSMutableString alloc] init];
[self performAtomicBlock:block];
NSString *ret = [capturedOutput stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]];
capturedOutput = nil;
return [ret length]? ret : nil;
}
+ (NSImage *) imageFromData:(NSData *)data width:(NSUInteger) width height:(NSUInteger) height scale:(double) scale
{
CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef) data);
CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();
CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault | kCGImageAlphaNoneSkipLast;
CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault;
CGImageRef iref = CGImageCreate(width,
height,
8,
32,
4 * width,
colorSpaceRef,
bitmapInfo,
provider,
NULL,
YES,
renderingIntent);
CGDataProviderRelease(provider);
CGColorSpaceRelease(colorSpaceRef);
NSImage *ret = [[NSImage alloc] initWithCGImage:iref size:NSMakeSize(width * scale, height * scale)];
CGImageRelease(iref);
return ret;
}
- (void) reloadMemoryView
{
if (self.memoryWindow.isVisible) {
[hex_controller reloadData];
}
}
- (IBAction) reloadVRAMData: (id) sender
{
if (self.vramWindow.isVisible) {
switch ([self.vramTabView.tabViewItems indexOfObject:self.vramTabView.selectedTabViewItem]) {
case 0:
/* Tileset */
{
GB_palette_type_t palette_type = GB_PALETTE_NONE;
NSUInteger palette_menu_index = self.tilesetPaletteButton.indexOfSelectedItem;
if (palette_menu_index) {
palette_type = palette_menu_index > 8? GB_PALETTE_OAM : GB_PALETTE_BACKGROUND;
}
size_t bufferLength = 256 * 192 * 4;
NSMutableData *data = [NSMutableData dataWithCapacity:bufferLength];
data.length = bufferLength;
GB_draw_tileset(&gb, (uint32_t *)data.mutableBytes, palette_type, (palette_menu_index - 1) & 7);
self.tilesetImageView.image = [Document imageFromData:data width:256 height:192 scale:1.0];
self.tilesetImageView.layer.magnificationFilter = kCAFilterNearest;
}
break;
case 1:
/* Tilemap */
{
GB_palette_type_t palette_type = GB_PALETTE_NONE;
NSUInteger palette_menu_index = self.tilemapPaletteButton.indexOfSelectedItem;
if (palette_menu_index > 1) {
palette_type = palette_menu_index > 9? GB_PALETTE_OAM : GB_PALETTE_BACKGROUND;
}
else if (palette_menu_index == 1) {
palette_type = GB_PALETTE_AUTO;
}
size_t bufferLength = 256 * 256 * 4;
NSMutableData *data = [NSMutableData dataWithCapacity:bufferLength];
data.length = bufferLength;
GB_draw_tilemap(&gb, (uint32_t *)data.mutableBytes, palette_type, (palette_menu_index - 2) & 7,
(GB_map_type_t) self.tilemapMapButton.indexOfSelectedItem,
(GB_tileset_type_t) self.TilemapSetButton.indexOfSelectedItem);
self.tilemapImageView.scrollRect = NSMakeRect(GB_read_memory(&gb, 0xFF00 | GB_IO_SCX),
GB_read_memory(&gb, 0xFF00 | GB_IO_SCY),
160, 144);
self.tilemapImageView.image = [Document imageFromData:data width:256 height:256 scale:1.0];
self.tilemapImageView.layer.magnificationFilter = kCAFilterNearest;
}
break;
case 2:
/* OAM */
{
oamCount = GB_get_oam_info(&gb, oamInfo, &oamHeight);
dispatch_async(dispatch_get_main_queue(), ^{
if (!oamUpdating) {
oamUpdating = true;
[self.spritesTableView reloadData];
oamUpdating = false;
}
});
}
break;
case 3:
/* Palettes */
{
dispatch_async(dispatch_get_main_queue(), ^{
[self.paletteTableView reloadData];
});
}
break;
}
}
}
- (IBAction) showMemory:(id)sender
{
if (!hex_controller) {
[self initMemoryView];
}
[self.memoryWindow makeKeyAndOrderFront:sender];
}
- (IBAction)hexGoTo:(id)sender
{
NSString *error = [self captureOutputForBlock:^{
uint16_t addr;
if (GB_debugger_evaluate(&gb, [[sender stringValue] UTF8String], &addr, NULL)) {
return;
}
addr -= lineRep.valueOffset;
if (addr >= hex_controller.byteArray.length) {
GB_log(&gb, "Value $%04x is out of range.\n", addr);
return;
}
[hex_controller setSelectedContentsRanges:@[[HFRangeWrapper withRange:HFRangeMake(addr, 0)]]];
[hex_controller _ensureVisibilityOfLocation:addr];
[self.memoryWindow makeFirstResponder:self.memoryView.subviews[0].subviews[0]];
}];
if (error) {
NSBeep();
[GBWarningPopover popoverWithContents:error onView:sender];
}
}
- (void)hexUpdateBank:(NSControl *)sender ignoreErrors: (bool)ignore_errors
{
NSString *error = [self captureOutputForBlock:^{
uint16_t addr, bank;
if (GB_debugger_evaluate(&gb, [[sender stringValue] UTF8String], &addr, &bank)) {
return;
}
if (bank == (uint16_t) -1) {
bank = addr;
}
uint16_t n_banks = 1;
switch ([(GBMemoryByteArray *)(hex_controller.byteArray) mode]) {
case GBMemoryROM: {
size_t rom_size;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_ROM, &rom_size, NULL);
n_banks = rom_size / 0x4000;
break;
}
case GBMemoryVRAM:
n_banks = GB_is_cgb(&gb) ? 2 : 1;
break;
case GBMemoryExternalRAM: {
size_t ram_size;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_CART_RAM, &ram_size, NULL);
n_banks = (ram_size + 0x1FFF) / 0x2000;
break;
}
case GBMemoryRAM:
n_banks = GB_is_cgb(&gb) ? 8 : 1;
break;
case GBMemoryEntireSpace:
break;
}
bank %= n_banks;
[sender setStringValue:[NSString stringWithFormat:@"$%x", bank]];
[(GBMemoryByteArray *)(hex_controller.byteArray) setSelectedBank:bank];
[hex_controller reloadData];
}];
if (error && !ignore_errors) {
NSBeep();
[GBWarningPopover popoverWithContents:error onView:sender];
}
}
- (IBAction)hexUpdateBank:(NSControl *)sender
{
[self hexUpdateBank:sender ignoreErrors:false];
}
- (IBAction)hexUpdateSpace:(NSPopUpButtonCell *)sender
{
self.memoryBankItem.enabled = [sender indexOfSelectedItem] != GBMemoryEntireSpace;
GBMemoryByteArray *byteArray = (GBMemoryByteArray *)(hex_controller.byteArray);
[byteArray setMode:(GB_memory_mode_t)[sender indexOfSelectedItem]];
uint16_t bank;
switch ((GB_memory_mode_t)[sender indexOfSelectedItem]) {
case GBMemoryEntireSpace:
case GBMemoryROM:
lineRep.valueOffset = 0;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_ROM, NULL, &bank);
byteArray.selectedBank = bank;
break;
case GBMemoryVRAM:
lineRep.valueOffset = 0x8000;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_VRAM, NULL, &bank);
byteArray.selectedBank = bank;
break;
case GBMemoryExternalRAM:
lineRep.valueOffset = 0xA000;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_CART_RAM, NULL, &bank);
byteArray.selectedBank = bank;
break;
case GBMemoryRAM:
lineRep.valueOffset = 0xC000;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_RAM, NULL, &bank);
byteArray.selectedBank = bank;
break;
}
[self.memoryBankInput setStringValue:[NSString stringWithFormat:@"$%x", byteArray.selectedBank]];
[hex_controller reloadData];
[self.memoryView setNeedsDisplay:YES];
}
- (GB_gameboy_t *) gameboy
{
return &gb;
}
+ (BOOL)canConcurrentlyReadDocumentsOfType:(NSString *)typeName
{
return YES;
}
- (void)cameraRequestUpdate
{
dispatch_async(dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
@try {
if (!cameraSession) {
if (@available(macOS 10.14, *)) {
switch ([AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo]) {
case AVAuthorizationStatusAuthorized:
break;
case AVAuthorizationStatusNotDetermined: {
[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
[self cameraRequestUpdate];
}];
return;
}
case AVAuthorizationStatusDenied:
case AVAuthorizationStatusRestricted:
GB_camera_updated(&gb);
return;
}
}
NSError *error;
AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType: AVMediaTypeVideo];
AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice: device error: &error];
CMVideoDimensions dimensions = CMVideoFormatDescriptionGetDimensions([[[device formats] firstObject] formatDescription]);
if (!input) {
GB_camera_updated(&gb);
return;
}
cameraOutput = [[AVCaptureStillImageOutput alloc] init];
/* Greyscale is not widely supported, so we use YUV, whose first element is the brightness. */
[cameraOutput setOutputSettings: @{(id)kCVPixelBufferPixelFormatTypeKey: @(kYUVSPixelFormat),
(id)kCVPixelBufferWidthKey: @(MAX(128, 112 * dimensions.width / dimensions.height)),
(id)kCVPixelBufferHeightKey: @(MAX(112, 128 * dimensions.height / dimensions.width)),}];
cameraSession = [AVCaptureSession new];
cameraSession.sessionPreset = AVCaptureSessionPresetPhoto;
[cameraSession addInput: input];
[cameraSession addOutput: cameraOutput];
[cameraSession startRunning];
cameraConnection = [cameraOutput connectionWithMediaType: AVMediaTypeVideo];
}
[cameraOutput captureStillImageAsynchronouslyFromConnection: cameraConnection completionHandler: ^(CMSampleBufferRef sampleBuffer, NSError *error) {
if (error) {
GB_camera_updated(&gb);
}
else {
if (cameraImage) {
CVBufferRelease(cameraImage);
cameraImage = NULL;
}
cameraImage = CVBufferRetain(CMSampleBufferGetImageBuffer(sampleBuffer));
/* We only need the actual buffer, no need to ever unlock it. */
CVPixelBufferLockBaseAddress(cameraImage, 0);
}
GB_camera_updated(&gb);
}];
}
@catch (NSException *exception) {
/* I have not tested camera support on many devices, so we catch exceptions just in case. */
GB_camera_updated(&gb);
}
});
}
- (uint8_t)cameraGetPixelAtX:(uint8_t)x andY:(uint8_t) y
{
if (!cameraImage) {
return 0;
}
uint8_t *baseAddress = (uint8_t *)CVPixelBufferGetBaseAddress(cameraImage);
size_t bytesPerRow = CVPixelBufferGetBytesPerRow(cameraImage);
uint8_t offsetX = (CVPixelBufferGetWidth(cameraImage) - 128) / 2;
uint8_t offsetY = (CVPixelBufferGetHeight(cameraImage) - 112) / 2;
uint8_t ret = baseAddress[(x + offsetX) * 2 + (y + offsetY) * bytesPerRow];
return ret;
}
- (IBAction)toggleTilesetGrid:(NSButton *)sender
{
if (sender.state) {
self.tilesetImageView.horizontalGrids = @[
[[GBImageViewGridConfiguration alloc] initWithColor:[NSColor colorWithCalibratedRed:0 green:0 blue:0 alpha:0.25] size:8],
[[GBImageViewGridConfiguration alloc] initWithColor:[NSColor colorWithCalibratedRed:0 green:0 blue:0 alpha:0.5] size:128],
];
self.tilesetImageView.verticalGrids = @[
[[GBImageViewGridConfiguration alloc] initWithColor:[NSColor colorWithCalibratedRed:0 green:0 blue:0 alpha:0.25] size:8],
[[GBImageViewGridConfiguration alloc] initWithColor:[NSColor colorWithCalibratedRed:0 green:0 blue:0 alpha:0.5] size:64],
];
self.tilemapImageView.horizontalGrids = @[
[[GBImageViewGridConfiguration alloc] initWithColor:[NSColor colorWithCalibratedRed:0 green:0 blue:0 alpha:0.25] size:8],
];
self.tilemapImageView.verticalGrids = @[
[[GBImageViewGridConfiguration alloc] initWithColor:[NSColor colorWithCalibratedRed:0 green:0 blue:0 alpha:0.25] size:8],
];
}
else {
self.tilesetImageView.horizontalGrids = nil;
self.tilesetImageView.verticalGrids = nil;
self.tilemapImageView.horizontalGrids = nil;
self.tilemapImageView.verticalGrids = nil;
}
}
- (IBAction)toggleScrollingDisplay:(NSButton *)sender
{
self.tilemapImageView.displayScrollRect = sender.state;
}
- (IBAction)vramTabChanged:(NSSegmentedControl *)sender
{
[self.vramTabView selectTabViewItemAtIndex:[sender selectedSegment]];
[self reloadVRAMData:sender];
[self.vramTabView.selectedTabViewItem.view addSubview:self.gridButton];
self.gridButton.hidden = [sender selectedSegment] >= 2;
NSUInteger height_diff = self.vramWindow.frame.size.height - self.vramWindow.contentView.frame.size.height;
CGRect window_rect = self.vramWindow.frame;
window_rect.origin.y += window_rect.size.height;
switch ([sender selectedSegment]) {
case 0:
window_rect.size.height = 384 + height_diff + 48;
break;
case 1:
case 2:
window_rect.size.height = 512 + height_diff + 48;
break;
case 3:
window_rect.size.height = 20 * 16 + height_diff + 24;
break;
default:
break;
}
window_rect.origin.y -= window_rect.size.height;
[self.vramWindow setFrame:window_rect display:YES animate:YES];
}
- (void)mouseDidLeaveImageView:(GBImageView *)view
{
self.vramStatusLabel.stringValue = @"";
}
- (void)imageView:(GBImageView *)view mouseMovedToX:(NSUInteger)x Y:(NSUInteger)y
{
if (view == self.tilesetImageView) {
uint8_t bank = x >= 128? 1 : 0;
x &= 127;
uint16_t tile = x / 8 + y / 8 * 16;
self.vramStatusLabel.stringValue = [NSString stringWithFormat:@"Tile number $%02x at %d:$%04x", tile & 0xFF, bank, 0x8000 + tile * 0x10];
}
else if (view == self.tilemapImageView) {
uint16_t map_offset = x / 8 + y / 8 * 32;
uint16_t map_base = 0x1800;
GB_map_type_t map_type = (GB_map_type_t) self.tilemapMapButton.indexOfSelectedItem;
GB_tileset_type_t tileset_type = (GB_tileset_type_t) self.TilemapSetButton.indexOfSelectedItem;
uint8_t lcdc = ((uint8_t *)GB_get_direct_access(&gb, GB_DIRECT_ACCESS_IO, NULL, NULL))[GB_IO_LCDC];
uint8_t *vram = GB_get_direct_access(&gb, GB_DIRECT_ACCESS_VRAM, NULL, NULL);
if (map_type == GB_MAP_9C00 || (map_type == GB_MAP_AUTO && lcdc & 0x08)) {
map_base = 0x1c00;
}
if (tileset_type == GB_TILESET_AUTO) {
tileset_type = (lcdc & 0x10)? GB_TILESET_8800 : GB_TILESET_8000;
}
uint8_t tile = vram[map_base + map_offset];
uint16_t tile_address = 0;
if (tileset_type == GB_TILESET_8000) {
tile_address = 0x8000 + tile * 0x10;
}
else {
tile_address = 0x9000 + (int8_t)tile * 0x10;
}
if (GB_is_cgb(&gb)) {
uint8_t attributes = vram[map_base + map_offset + 0x2000];
self.vramStatusLabel.stringValue = [NSString stringWithFormat:@"Tile number $%02x (%d:$%04x) at map address $%04x (Attributes: %c%c%c%d%d)",
tile,
attributes & 0x8? 1 : 0,
tile_address,
0x8000 + map_base + map_offset,
(attributes & 0x80) ? 'P' : '-',
(attributes & 0x40) ? 'V' : '-',
(attributes & 0x20) ? 'H' : '-',
attributes & 0x8? 1 : 0,
attributes & 0x7
];
}
else {
self.vramStatusLabel.stringValue = [NSString stringWithFormat:@"Tile number $%02x ($%04x) at map address $%04x",
tile,
tile_address,
0x8000 + map_base + map_offset
];
}
}
}
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
{
if (tableView == self.paletteTableView) {
return 16; /* 8 BG palettes, 8 OBJ palettes*/
}
else if (tableView == self.spritesTableView) {
return oamCount;
}
return 0;
}
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
{
NSUInteger columnIndex = [[tableView tableColumns] indexOfObject:tableColumn];
if (tableView == self.paletteTableView) {
if (columnIndex == 0) {
return [NSString stringWithFormat:@"%s %u", row >= 8 ? "Object" : "Background", (unsigned)(row & 7)];
}
uint8_t *palette_data = GB_get_direct_access(&gb, row >= 8? GB_DIRECT_ACCESS_OBP : GB_DIRECT_ACCESS_BGP, NULL, NULL);
uint16_t index = columnIndex - 1 + (row & 7) * 4;
return @((palette_data[(index << 1) + 1] << 8) | palette_data[(index << 1)]);
}
else if (tableView == self.spritesTableView) {
switch (columnIndex) {
case 0:
return [Document imageFromData:[NSData dataWithBytesNoCopy:oamInfo[row].image
length:64 * 4 * 2
freeWhenDone:NO]
width:8
height:oamHeight
scale:16.0/oamHeight];
case 1:
return @((unsigned)oamInfo[row].x - 8);
case 2:
return @((unsigned)oamInfo[row].y - 16);
case 3:
return [NSString stringWithFormat:@"$%02x", oamInfo[row].tile];
case 4:
return [NSString stringWithFormat:@"$%04x", 0x8000 + oamInfo[row].tile * 0x10];
case 5:
return [NSString stringWithFormat:@"$%04x", oamInfo[row].oam_addr];
case 6:
if (GB_is_cgb(&gb)) {
return [NSString stringWithFormat:@"%c%c%c%d%d",
oamInfo[row].flags & 0x80? 'P' : '-',
oamInfo[row].flags & 0x40? 'Y' : '-',
oamInfo[row].flags & 0x20? 'X' : '-',
oamInfo[row].flags & 0x08? 1 : 0,
oamInfo[row].flags & 0x07];
}
return [NSString stringWithFormat:@"%c%c%c%d",
oamInfo[row].flags & 0x80? 'P' : '-',
oamInfo[row].flags & 0x40? 'Y' : '-',
oamInfo[row].flags & 0x20? 'X' : '-',
oamInfo[row].flags & 0x10? 1 : 0];
case 7:
return oamInfo[row].obscured_by_line_limit? @"Dropped: Too many sprites in line": @"";
}
}
return nil;
}
- (BOOL)tableView:(NSTableView *)tableView shouldSelectRow:(NSInteger)row
{
return tableView == self.spritesTableView;
}
- (BOOL)tableView:(NSTableView *)tableView shouldEditTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row
{
return NO;
}
- (IBAction)showVRAMViewer:(id)sender
{
[self.vramWindow makeKeyAndOrderFront:sender];
[self reloadVRAMData: nil];
}
- (void) printImage:(uint32_t *)imageBytes height:(unsigned) height
topMargin:(unsigned) topMargin bottomMargin: (unsigned) bottomMargin
exposure:(unsigned) exposure
{
uint32_t paddedImage[160 * (topMargin + height + bottomMargin)];
memset(paddedImage, 0xFF, sizeof(paddedImage));
memcpy(paddedImage + (160 * topMargin), imageBytes, 160 * height * sizeof(imageBytes[0]));
if (!self.printerFeedWindow.isVisible) {
currentPrinterImageData = [[NSMutableData alloc] init];
}
[currentPrinterImageData appendBytes:paddedImage length:sizeof(paddedImage)];
/* UI related code must run on main thread. */
dispatch_async(dispatch_get_main_queue(), ^{
self.feedImageView.image = [Document imageFromData:currentPrinterImageData
width:160
height:currentPrinterImageData.length / 160 / sizeof(imageBytes[0])
scale:2.0];
NSRect frame = self.printerFeedWindow.frame;
frame.size = self.feedImageView.image.size;
[self.printerFeedWindow setContentMaxSize:frame.size];
frame.size.height += self.printerFeedWindow.frame.size.height - self.printerFeedWindow.contentView.frame.size.height;
[self.printerFeedWindow setFrame:frame display:NO animate: self.printerFeedWindow.isVisible];
[self.printerFeedWindow orderFront:NULL];
});
}
- (void)printDocument:(id)sender
{
if (self.feedImageView.image.size.height == 0) {
NSBeep(); return;
}
NSImageView *view = [[NSImageView alloc] initWithFrame:(NSRect){{0,0}, self.feedImageView.image.size}];
view.image = self.feedImageView.image;
[[NSPrintOperation printOperationWithView:view] runOperationModalForWindow:self.printerFeedWindow delegate:nil didRunSelector:NULL contextInfo:NULL];
}
- (IBAction)savePrinterFeed:(id)sender
{
bool shouldResume = running;
[self stop];
NSSavePanel * savePanel = [NSSavePanel savePanel];
[savePanel setAllowedFileTypes:@[@"png"]];
[savePanel beginSheetModalForWindow:self.printerFeedWindow completionHandler:^(NSInteger result) {
if (result == NSModalResponseOK) {
[savePanel orderOut:self];
CGImageRef cgRef = [self.feedImageView.image CGImageForProposedRect:NULL
context:nil
hints:nil];
NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithCGImage:cgRef];
[imageRep setSize:(NSSize){160, self.feedImageView.image.size.height / 2}];
NSData *data = [imageRep representationUsingType:NSBitmapImageFileTypePNG properties:@{}];
[data writeToURL:savePanel.URL atomically:NO];
[self.printerFeedWindow setIsVisible:NO];
}
if (shouldResume) {
[self start];
}
}];
}
- (IBAction)disconnectAllAccessories:(id)sender
{
[self disconnectLinkCable];
[self performAtomicBlock:^{
accessory = GBAccessoryNone;
GB_disconnect_serial(&gb);
}];
}
- (IBAction)connectPrinter:(id)sender
{
[self disconnectLinkCable];
[self performAtomicBlock:^{
accessory = GBAccessoryPrinter;
GB_connect_printer(&gb, printImage);
}];
}
- (IBAction)connectWorkboy:(id)sender
{
[self disconnectLinkCable];
[self performAtomicBlock:^{
accessory = GBAccessoryWorkboy;
GB_connect_workboy(&gb, setWorkboyTime, getWorkboyTime);
}];
}
- (void) updateHighpassFilter
{
if (GB_is_inited(&gb)) {
GB_set_highpass_filter_mode(&gb, (GB_highpass_mode_t) [[NSUserDefaults standardUserDefaults] integerForKey:@"GBHighpassFilter"]);
}
}
- (void) updateColorCorrectionMode
{
if (GB_is_inited(&gb)) {
GB_set_color_correction_mode(&gb, (GB_color_correction_mode_t) [[NSUserDefaults standardUserDefaults] integerForKey:@"GBColorCorrection"]);
}
}
- (void) updateLightTemperature
{
if (GB_is_inited(&gb)) {
GB_set_light_temperature(&gb, [[NSUserDefaults standardUserDefaults] doubleForKey:@"GBLightTemperature"]);
}
}
- (void) updateInterferenceVolume
{
if (GB_is_inited(&gb)) {
GB_set_interference_volume(&gb, [[NSUserDefaults standardUserDefaults] doubleForKey:@"GBInterferenceVolume"]);
}
}
- (void) updateFrameBlendingMode
{
self.view.frameBlendingMode = (GB_frame_blending_mode_t) [[NSUserDefaults standardUserDefaults] integerForKey:@"GBFrameBlendingMode"];
}
- (void) updateRewindLength
{
[self performAtomicBlock:^{
if (GB_is_inited(&gb)) {
GB_set_rewind_length(&gb, [[NSUserDefaults standardUserDefaults] integerForKey:@"GBRewindLength"]);
}
}];
}
- (void) updateRTCMode
{
if (GB_is_inited(&gb)) {
GB_set_rtc_mode(&gb, [[NSUserDefaults standardUserDefaults] integerForKey:@"GBRTCMode"]);
}
}
- (void)dmgModelChanged
{
modelsChanging = true;
if (current_model == MODEL_DMG) {
[self reset:nil];
}
modelsChanging = false;
}
- (void)sgbModelChanged
{
modelsChanging = true;
if (current_model == MODEL_SGB) {
[self reset:nil];
}
modelsChanging = false;
}
- (void)cgbModelChanged
{
modelsChanging = true;
if (current_model == MODEL_CGB) {
[self reset:nil];
}
modelsChanging = false;
}
- (void)setFileURL:(NSURL *)fileURL
{
[super setFileURL:fileURL];
self.consoleWindow.title = [NSString stringWithFormat:@"Debug Console %@", [[fileURL path] lastPathComponent]];
}
- (BOOL)splitView:(GBSplitView *)splitView canCollapseSubview:(NSView *)subview;
{
if ([[splitView arrangedSubviews] lastObject] == subview) {
return YES;
}
return NO;
}
- (CGFloat)splitView:(GBSplitView *)splitView constrainMinCoordinate:(CGFloat)proposedMinimumPosition ofSubviewAt:(NSInteger)dividerIndex
{
return 600;
}
- (CGFloat)splitView:(GBSplitView *)splitView constrainMaxCoordinate:(CGFloat)proposedMaximumPosition ofSubviewAt:(NSInteger)dividerIndex
{
return splitView.frame.size.width - 321;
}
- (BOOL)splitView:(GBSplitView *)splitView shouldAdjustSizeOfSubview:(NSView *)view
{
if ([[splitView arrangedSubviews] lastObject] == view) {
return NO;
}
return YES;
}
- (void)splitViewDidResizeSubviews:(NSNotification *)notification
{
GBSplitView *splitview = notification.object;
if ([[[splitview arrangedSubviews] firstObject] frame].size.width < 600) {
[splitview setPosition:600 ofDividerAtIndex:0];
}
/* NSSplitView renders its separator without the proper vibrancy, so we made it transparent and move an
NSBox-based separator that renders properly so it acts like the split view's separator. */
NSRect rect = self.debuggerVerticalLine.frame;
rect.origin.x = [[[splitview arrangedSubviews] firstObject] frame].size.width - 1;
self.debuggerVerticalLine.frame = rect;
}
- (IBAction)showCheats:(id)sender
{
[self.cheatsWindow makeKeyAndOrderFront:nil];
}
- (IBAction)toggleCheats:(id)sender
{
GB_set_cheats_enabled(&gb, !GB_cheats_enabled(&gb));
}
- (void)disconnectLinkCable
{
bool wasRunning = self->running;
Document *partner = master ?: slave;
if (partner) {
[self stop];
partner->master = nil;
partner->slave = nil;
master = nil;
slave = nil;
if (wasRunning) {
[partner start];
[self start];
}
GB_set_turbo_mode(&gb, false, false);
GB_set_turbo_mode(&partner->gb, false, false);
partner->accessory = GBAccessoryNone;
accessory = GBAccessoryNone;
}
}
- (void)connectLinkCable:(NSMenuItem *)sender
{
[self disconnectAllAccessories:sender];
Document *partner = [sender representedObject];
[partner disconnectAllAccessories:sender];
bool wasRunning = self->running;
[self stop];
[partner stop];
GB_set_turbo_mode(&partner->gb, true, true);
slave = partner;
partner->master = self;
linkOffset = 0;
partner->accessory = GBAccessoryLinkCable;
accessory = GBAccessoryLinkCable;
GB_set_serial_transfer_bit_start_callback(&gb, linkCableBitStart);
GB_set_serial_transfer_bit_start_callback(&partner->gb, linkCableBitStart);
GB_set_serial_transfer_bit_end_callback(&gb, linkCableBitEnd);
GB_set_serial_transfer_bit_end_callback(&partner->gb, linkCableBitEnd);
if (wasRunning) {
[self start];
}
}
- (void)linkCableBitStart:(bool)bit
{
linkCableBit = bit;
}
-(bool)linkCableBitEnd
{
bool ret = GB_serial_get_data_bit(&self.partner->gb);
GB_serial_set_data_bit(&self.partner->gb, linkCableBit);
return ret;
}
- (void)infraredStateChanged:(bool)state
{
if (self.partner) {
GB_set_infrared_input(&self.partner->gb, state);
}
}
-(Document *)partner
{
return slave ?: master;
}
- (bool)isSlave
{
return master;
}
- (GB_gameboy_t *)gb
{
return &gb;
}
@end