652 lines
20 KiB
Objective-C
652 lines
20 KiB
Objective-C
#include <CoreAudio/CoreAudio.h>
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#include "GBAudioClient.h"
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#include "Document.h"
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#include "AppDelegate.h"
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#include "gb.h"
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#include "debugger.h"
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#include "memory.h"
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#include "HexFiend/HexFiend.h"
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#include "GBMemoryByteArray.h"
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/* Todo: The general Objective-C coding style conflicts with SameBoy's. This file needs a cleanup. */
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@interface Document ()
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{
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/* NSTextViews freeze the entire app if they're modified too often and too quickly.
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We use this bool to tune down the write speed. Let me know if there's a more
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reasonable alternative to this. */
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unsigned long pendingLogLines;
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bool tooMuchLogs;
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bool fullScreen;
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bool in_sync_input;
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HFController *hex_controller;
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NSString *lastConsoleInput;
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HFLineCountingRepresenter *lineRep;
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}
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@property GBAudioClient *audioClient;
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- (void) vblank;
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- (void) log: (const char *) log withAttributes: (GB_log_attributes) attributes;
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- (const char *) getDebuggerInput;
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- (const char *) getAsyncDebuggerInput;
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@end
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static void vblank(GB_gameboy_t *gb)
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{
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Document *self = (__bridge Document *)(gb->user_data);
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[self vblank];
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}
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static void consoleLog(GB_gameboy_t *gb, const char *string, GB_log_attributes attributes)
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{
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Document *self = (__bridge Document *)(gb->user_data);
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[self log:string withAttributes: attributes];
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}
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static char *consoleInput(GB_gameboy_t *gb)
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{
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Document *self = (__bridge Document *)(gb->user_data);
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return strdup([self getDebuggerInput]);
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}
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static char *asyncConsoleInput(GB_gameboy_t *gb)
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{
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Document *self = (__bridge Document *)(gb->user_data);
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const char *ret = [self getAsyncDebuggerInput];
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return ret? strdup(ret) : NULL;
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}
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static uint32_t rgbEncode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
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{
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return (r << 0) | (g << 8) | (b << 16);
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}
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@implementation Document
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{
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GB_gameboy_t gb;
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volatile bool running;
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volatile bool stopping;
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NSConditionLock *has_debugger_input;
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NSMutableArray *debugger_input_queue;
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volatile bool is_inited;
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}
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- (instancetype)init {
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self = [super init];
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if (self) {
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has_debugger_input = [[NSConditionLock alloc] initWithCondition:0];
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debugger_input_queue = [[NSMutableArray alloc] init];
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if ([[NSUserDefaults standardUserDefaults] boolForKey:@"EmulateDMG"]) {
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[self initDMG];
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}
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else {
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[self initCGB];
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}
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}
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return self;
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}
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- (void) initDMG
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{
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GB_init(&gb);
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GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"dmg_boot" ofType:@"bin"] UTF8String]);
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GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
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GB_set_log_callback(&gb, (GB_log_callback_t) consoleLog);
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GB_set_input_callback(&gb, (GB_input_callback_t) consoleInput);
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GB_set_async_input_callback(&gb, (GB_input_callback_t) asyncConsoleInput);
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GB_set_rgb_encode_callback(&gb, rgbEncode);
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gb.user_data = (__bridge void *)(self);
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}
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- (void) initCGB
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{
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GB_init_cgb(&gb);
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GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"cgb_boot" ofType:@"bin"] UTF8String]);
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GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
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GB_set_log_callback(&gb, (GB_log_callback_t) consoleLog);
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GB_set_input_callback(&gb, (GB_input_callback_t) consoleInput);
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GB_set_async_input_callback(&gb, (GB_input_callback_t) asyncConsoleInput);
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GB_set_rgb_encode_callback(&gb, rgbEncode);
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gb.user_data = (__bridge void *)(self);
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}
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- (void) vblank
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{
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self.view.mouseHidingEnabled = YES;
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[self.view flip];
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GB_set_pixels_output(&gb, self.view.pixels);
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}
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- (void) run
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{
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running = true;
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GB_set_pixels_output(&gb, self.view.pixels);
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self.view.gb = &gb;
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GB_set_sample_rate(&gb, 96000);
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self.audioClient = [[GBAudioClient alloc] initWithRendererBlock:^(UInt32 sampleRate, UInt32 nFrames, GB_sample_t *buffer) {
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GB_apu_copy_buffer(&gb, buffer, nFrames);
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} andSampleRate:96000];
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self.view.mouseHidingEnabled = YES;
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[self.audioClient start];
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NSTimer *hex_timer = [NSTimer timerWithTimeInterval:0.25 target:self selector:@selector(reloadMemoryView) userInfo:nil repeats:YES];
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[[NSRunLoop mainRunLoop] addTimer:hex_timer forMode:NSDefaultRunLoopMode];
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while (running) {
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GB_run(&gb);
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}
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[hex_timer invalidate];
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[self.audioClient stop];
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self.audioClient = nil;
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self.view.mouseHidingEnabled = NO;
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GB_save_battery(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]);
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stopping = false;
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}
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- (void) start
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{
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if (running) return;
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[[[NSThread alloc] initWithTarget:self selector:@selector(run) object:nil] start];
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}
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- (void) stop
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{
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if (!running) return;
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if (gb.debug_stopped) {
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gb.debug_stopped = false;
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[self consoleInput:nil];
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}
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stopping = true;
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running = false;
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while (stopping);
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}
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- (IBAction)reset:(id)sender
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{
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bool was_cgb = gb.is_cgb;
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[self stop];
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is_inited = false;
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GB_free(&gb);
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if (([sender tag] == 0 && was_cgb) || [sender tag] == 2) {
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[self initCGB];
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}
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else {
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[self initDMG];
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}
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if ([sender tag] != 0) {
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/* User explictly selected a model, save the preference */
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[[NSUserDefaults standardUserDefaults] setBool:!gb.is_cgb forKey:@"EmulateDMG"];
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}
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[self readFromFile:self.fileName ofType:@"gb"];
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[self start];
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if (hex_controller) {
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/* Verify bank sanity, especially when switching models. */
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[(GBMemoryByteArray *)(hex_controller.byteArray) setSelectedBank:0];
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[self hexUpdateBank:self.memoryBankInput];
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}
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}
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- (IBAction)togglePause:(id)sender
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{
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if (running) {
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[self stop];
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}
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else {
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[self start];
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}
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}
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- (void)dealloc
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{
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GB_free(&gb);
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}
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- (void)windowControllerDidLoadNib:(NSWindowController *)aController {
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[super windowControllerDidLoadNib:aController];
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self.consoleOutput.textContainerInset = NSMakeSize(4, 4);
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[self.view becomeFirstResponder];
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self.view.shouldBlendFrameWithPrevious = ![[NSUserDefaults standardUserDefaults] boolForKey:@"DisableFrameBlending"];
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CGRect window_frame = self.mainWindow.frame;
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window_frame.size.width = MAX([[NSUserDefaults standardUserDefaults] integerForKey:@"LastWindowWidth"],
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window_frame.size.width);
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window_frame.size.height = MAX([[NSUserDefaults standardUserDefaults] integerForKey:@"LastWindowHeight"],
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window_frame.size.height);
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[self.mainWindow setFrame:window_frame display:YES];
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[self start];
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}
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- (void) initMemoryView
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{
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hex_controller = [[HFController alloc] init];
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[hex_controller setBytesPerColumn:1];
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[hex_controller setFont:[NSFont userFixedPitchFontOfSize:12]];
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[hex_controller setEditMode:HFOverwriteMode];
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[hex_controller setByteArray:[[GBMemoryByteArray alloc] initWithDocument:self]];
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/* 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. */
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HFLayoutRepresenter *layoutRep = [[HFLayoutRepresenter alloc] init];
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HFHexTextRepresenter *hexRep = [[HFHexTextRepresenter alloc] init];
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HFStringEncodingTextRepresenter *asciiRep = [[HFStringEncodingTextRepresenter alloc] init];
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HFVerticalScrollerRepresenter *scrollRep = [[HFVerticalScrollerRepresenter alloc] init];
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lineRep = [[HFLineCountingRepresenter alloc] init];
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HFStatusBarRepresenter *statusRep = [[HFStatusBarRepresenter alloc] init];
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lineRep.lineNumberFormat = HFLineNumberFormatHexadecimal;
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/* Add all our reps to the controller. */
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[hex_controller addRepresenter:layoutRep];
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[hex_controller addRepresenter:hexRep];
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[hex_controller addRepresenter:asciiRep];
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[hex_controller addRepresenter:scrollRep];
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[hex_controller addRepresenter:lineRep];
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[hex_controller addRepresenter:statusRep];
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/* Tell the layout rep which reps it should lay out. */
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[layoutRep addRepresenter:hexRep];
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[layoutRep addRepresenter:scrollRep];
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[layoutRep addRepresenter:asciiRep];
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[layoutRep addRepresenter:lineRep];
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[layoutRep addRepresenter:statusRep];
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[(NSView *)[hexRep view] setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable];
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/* Grab the layout rep's view and stick it into our container. */
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NSView *layoutView = [layoutRep view];
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NSRect layoutViewFrame = self.memoryView.frame;
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[layoutView setFrame:layoutViewFrame];
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[layoutView setAutoresizingMask:NSViewWidthSizable | NSViewHeightSizable | NSViewMaxYMargin];
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[self.memoryView addSubview:layoutView];
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self.memoryBankItem.enabled = false;
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}
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+ (BOOL)autosavesInPlace {
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return YES;
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}
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- (NSString *)windowNibName {
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// Override returning the nib file name of the document
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// 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.
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return @"Document";
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}
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- (BOOL)readFromFile:(NSString *)fileName ofType:(NSString *)type
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{
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if (is_inited++) {
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return YES;
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}
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GB_load_rom(&gb, [fileName UTF8String]);
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GB_load_battery(&gb, [[[fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]);
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GB_debugger_load_symbol_file(&gb, [[[fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sym"] UTF8String]);
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return YES;
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}
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- (void)close
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{
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[[NSUserDefaults standardUserDefaults] setInteger:self.mainWindow.frame.size.width forKey:@"LastWindowWidth"];
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[[NSUserDefaults standardUserDefaults] setInteger:self.mainWindow.frame.size.height forKey:@"LastWindowHeight"];
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[self stop];
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[self.consoleWindow close];
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[super close];
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}
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- (IBAction) interrupt:(id)sender
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{
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[self log:"^C\n"];
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gb.debug_stopped = true;
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if (!running) {
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[self start];
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}
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[self.consoleInput becomeFirstResponder];
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}
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- (IBAction)mute:(id)sender
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{
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if (self.audioClient.isPlaying) {
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[self.audioClient stop];
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}
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else {
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[self.audioClient start];
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}
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}
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- (IBAction)toggleBlend:(id)sender
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{
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self.view.shouldBlendFrameWithPrevious ^= YES;
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[[NSUserDefaults standardUserDefaults] setBool:!self.view.shouldBlendFrameWithPrevious forKey:@"DisableFrameBlending"];
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}
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- (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)anItem
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{
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if([anItem action] == @selector(mute:)) {
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[(NSMenuItem*)anItem setState:!self.audioClient.isPlaying];
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}
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else if ([anItem action] == @selector(togglePause:)) {
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[(NSMenuItem*)anItem setState:(!running) || (gb.debug_stopped)];
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return !gb.debug_stopped;
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}
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else if ([anItem action] == @selector(reset:) && anItem.tag != 0) {
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[(NSMenuItem*)anItem setState:(anItem.tag == 1 && !gb.is_cgb) || (anItem.tag == 2 && gb.is_cgb)];
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}
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else if ([anItem action] == @selector(toggleBlend:)) {
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[(NSMenuItem*)anItem setState:self.view.shouldBlendFrameWithPrevious];
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}
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else if ([anItem action] == @selector(interrupt:)) {
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if (![[NSUserDefaults standardUserDefaults] boolForKey:@"DeveloperMode"]) {
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return false;
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}
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}
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return [super validateUserInterfaceItem:anItem];
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}
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- (void) windowWillEnterFullScreen:(NSNotification *)notification
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{
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fullScreen = true;
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}
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- (void) windowWillExitFullScreen:(NSNotification *)notification
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{
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fullScreen = false;
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}
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- (NSRect)windowWillUseStandardFrame:(NSWindow *)window defaultFrame:(NSRect)newFrame
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{
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if (fullScreen) {
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return newFrame;
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}
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NSRect rect = window.contentView.frame;
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int titlebarSize = window.contentView.superview.frame.size.height - rect.size.height;
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int step = 160 / [[window screen] backingScaleFactor];
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rect.size.width = floor(rect.size.width / step) * step + step;
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rect.size.height = rect.size.width / 10 * 9 + titlebarSize;
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if (rect.size.width > newFrame.size.width) {
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rect.size.width = 160;
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rect.size.height = 144 + titlebarSize;
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}
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else if (rect.size.height > newFrame.size.height) {
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rect.size.width = 160;
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rect.size.height = 144 + titlebarSize;
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}
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rect.origin = window.frame.origin;
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rect.origin.y -= rect.size.height - window.frame.size.height;
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return rect;
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}
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- (void) log: (const char *) string withAttributes: (GB_log_attributes) attributes
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{
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if (pendingLogLines > 128) {
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/* The ROM causes so many errors in such a short time, and we can't handle it. */
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tooMuchLogs = true;
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return;
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}
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pendingLogLines++;
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/* Make sure mouse is not hidden while debugging */
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self.view.mouseHidingEnabled = NO;
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NSString *nsstring = @(string); // For ref-counting
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dispatch_async(dispatch_get_main_queue(), ^{
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[hex_controller reloadData];
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NSFont *font = [NSFont userFixedPitchFontOfSize:12];
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NSUnderlineStyle underline = NSUnderlineStyleNone;
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if (attributes & GB_LOG_BOLD) {
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font = [[NSFontManager sharedFontManager] convertFont:font toHaveTrait:NSBoldFontMask];
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}
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if (attributes & GB_LOG_UNDERLINE_MASK) {
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underline = (attributes & GB_LOG_UNDERLINE_MASK) == GB_LOG_DASHED_UNDERLINE? NSUnderlinePatternDot | NSUnderlineStyleSingle : NSUnderlineStyleSingle;
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}
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NSMutableParagraphStyle *paragraph_style = [[NSMutableParagraphStyle alloc] init];
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[paragraph_style setLineSpacing:2];
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NSAttributedString *attributed =
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[[NSAttributedString alloc] initWithString:nsstring
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attributes:@{NSFontAttributeName: font,
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NSForegroundColorAttributeName: [NSColor whiteColor],
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NSUnderlineStyleAttributeName: @(underline),
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NSParagraphStyleAttributeName: paragraph_style}];
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[self.consoleOutput.textStorage appendAttributedString:attributed];
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if (pendingLogLines == 1) {
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if (tooMuchLogs) {
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tooMuchLogs = false;
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[self log:"[...]\n"];
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}
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[self.consoleOutput scrollToEndOfDocument:nil];
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if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DeveloperMode"]) {
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[self.consoleWindow orderBack:nil];
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}
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}
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pendingLogLines--;
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});
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}
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- (IBAction)showConsoleWindow:(id)sender
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{
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[self.consoleWindow orderBack:nil];
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}
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- (IBAction)consoleInput:(NSTextField *)sender {
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NSString *line = [sender stringValue];
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if ([line isEqualToString:@""] && lastConsoleInput) {
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line = lastConsoleInput;
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}
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else if (line) {
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lastConsoleInput = line;
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}
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else {
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line = @"";
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}
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if (!in_sync_input) {
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[self log:">"];
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}
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[self log:[line UTF8String]];
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[self log:"\n"];
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[has_debugger_input lock];
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[debugger_input_queue addObject:line];
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[has_debugger_input unlockWithCondition:1];
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[sender setStringValue:@""];
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}
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- (const char *) getDebuggerInput
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{
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[self log:">"];
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in_sync_input = true;
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[has_debugger_input lockWhenCondition:1];
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NSString *input = [debugger_input_queue firstObject];
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[debugger_input_queue removeObjectAtIndex:0];
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[has_debugger_input unlockWithCondition:[debugger_input_queue count] != 0];
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in_sync_input = false;
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return [input UTF8String];
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}
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- (const char *) getAsyncDebuggerInput
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{
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[has_debugger_input lock];
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NSString *input = [debugger_input_queue firstObject];
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if (input) {
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[debugger_input_queue removeObjectAtIndex:0];
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}
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[has_debugger_input unlockWithCondition:[debugger_input_queue count] != 0];
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return [input UTF8String];
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}
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- (IBAction)saveState:(id)sender
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{
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bool was_running = running;
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if (!gb.debug_stopped) {
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[self stop];
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}
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GB_save_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]);
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if (was_running) {
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[self start];
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}
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}
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- (IBAction)loadState:(id)sender
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{
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bool was_running = running;
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if (!gb.debug_stopped) {
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[self stop];
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}
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|
GB_load_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]);
|
|
if (was_running) {
|
|
[self start];
|
|
}
|
|
}
|
|
|
|
- (IBAction)clearConsole:(id)sender
|
|
{
|
|
[self.consoleOutput setString:@""];
|
|
}
|
|
|
|
- (void)log:(const char *)log
|
|
{
|
|
[self log:log withAttributes:0];
|
|
}
|
|
|
|
- (uint8_t) readMemory:(uint16_t)addr
|
|
{
|
|
while (!is_inited);
|
|
return GB_read_memory(&gb, addr);
|
|
}
|
|
|
|
- (void) writeMemory:(uint16_t)addr value:(uint8_t)value
|
|
{
|
|
while (!is_inited);
|
|
GB_write_memory(&gb, addr, value);
|
|
}
|
|
|
|
- (void) performAtomicBlock: (void (^)())block
|
|
{
|
|
while (!is_inited);
|
|
bool was_running = running && !gb.debug_stopped;
|
|
if (was_running) {
|
|
[self stop];
|
|
}
|
|
block();
|
|
if (was_running) {
|
|
[self start];
|
|
}
|
|
}
|
|
|
|
- (void) reloadMemoryView
|
|
{
|
|
if (self.memoryWindow.isVisible) {
|
|
[hex_controller reloadData];
|
|
}
|
|
}
|
|
|
|
- (IBAction) showMemory:(id)sender
|
|
{
|
|
if (!hex_controller) {
|
|
[self initMemoryView];
|
|
}
|
|
[self.memoryWindow makeKeyAndOrderFront:sender];
|
|
}
|
|
|
|
- (IBAction)hexGoTo:(id)sender
|
|
{
|
|
[self performAtomicBlock:^{
|
|
uint16_t addr;
|
|
if (GB_debugger_evaluate(&gb, [[sender stringValue] UTF8String], &addr, NULL)) {
|
|
NSBeep();
|
|
return;
|
|
}
|
|
addr -= lineRep.valueOffset;
|
|
if (addr >= hex_controller.byteArray.length) {
|
|
NSBeep();
|
|
return;
|
|
}
|
|
[hex_controller setSelectedContentsRanges:@[[HFRangeWrapper withRange:HFRangeMake(addr, 0)]]];
|
|
[hex_controller _ensureVisibilityOfLocation:addr];
|
|
[self.memoryWindow makeFirstResponder:self.memoryView.subviews[0].subviews[0]];
|
|
}];
|
|
}
|
|
|
|
- (IBAction)hexUpdateBank:(NSControl *)sender
|
|
{
|
|
[self performAtomicBlock:^{
|
|
uint16_t addr, bank;
|
|
if (GB_debugger_evaluate(&gb, [[sender stringValue] UTF8String], &addr, &bank)) {
|
|
NSBeep();
|
|
return;
|
|
}
|
|
|
|
if (bank == (uint16_t) -1) {
|
|
bank = addr;
|
|
}
|
|
|
|
uint16_t n_banks = 1;
|
|
switch ([(GBMemoryByteArray *)(hex_controller.byteArray) mode]) {
|
|
case GBMemoryROM:
|
|
n_banks = gb.rom_size / 0x4000;
|
|
break;
|
|
case GBMemoryVRAM:
|
|
n_banks = gb.is_cgb ? 2 : 1;
|
|
break;
|
|
case GBMemoryExternalRAM:
|
|
n_banks = gb.mbc_ram_size / 0x2000;
|
|
break;
|
|
case GBMemoryRAM:
|
|
n_banks = gb.is_cgb ? 8 : 1;
|
|
break;
|
|
case GBMemoryEntireSpace:
|
|
break;
|
|
}
|
|
|
|
bank %= n_banks;
|
|
|
|
[sender setStringValue:[NSString stringWithFormat:@"$%x", bank]];
|
|
[(GBMemoryByteArray *)(hex_controller.byteArray) setSelectedBank:bank];
|
|
[hex_controller reloadData];
|
|
}];
|
|
}
|
|
|
|
- (IBAction)hexUpdateSpace:(NSPopUpButtonCell *)sender
|
|
{
|
|
self.memoryBankItem.enabled = [sender indexOfSelectedItem] != GBMemoryEntireSpace;
|
|
GBMemoryByteArray *byteArray = (GBMemoryByteArray *)(hex_controller.byteArray);
|
|
[byteArray setMode:(GB_memory_mode_t)[sender indexOfSelectedItem]];
|
|
switch ((GB_memory_mode_t)[sender indexOfSelectedItem]) {
|
|
case GBMemoryEntireSpace:
|
|
case GBMemoryROM:
|
|
lineRep.valueOffset = 0;
|
|
byteArray.selectedBank = gb.mbc_rom_bank;
|
|
break;
|
|
case GBMemoryVRAM:
|
|
lineRep.valueOffset = 0x8000;
|
|
byteArray.selectedBank = gb.cgb_vram_bank;
|
|
break;
|
|
case GBMemoryExternalRAM:
|
|
lineRep.valueOffset = 0xA000;
|
|
byteArray.selectedBank = gb.mbc_ram_bank;
|
|
break;
|
|
case GBMemoryRAM:
|
|
lineRep.valueOffset = 0xC000;
|
|
byteArray.selectedBank = gb.cgb_ram_bank;
|
|
break;
|
|
}
|
|
[self.memoryBankInput setStringValue:[NSString stringWithFormat:@"$%x", byteArray.selectedBank]];
|
|
[hex_controller reloadData];
|
|
[self.memoryView setNeedsDisplay:YES];
|
|
}
|
|
|
|
- (GB_gameboy_t *) gameboy
|
|
{
|
|
return &gb;
|
|
}
|
|
|
|
@end |