bsnes-libretro/Cocoa/Document.m
2017-05-27 17:16:20 +03:00

1269 lines
45 KiB
Objective-C

#include <AVFoundation/AVFoundation.h>
#include <CoreAudio/CoreAudio.h>
#include "GBAudioClient.h"
#include "Document.h"
#include "AppDelegate.h"
#include "HexFiend/HexFiend.h"
#include "GBMemoryByteArray.h"
#include "GBWarningPopover.h"
#include "gb.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!!! */
@interface Document ()
{
/* NSTextViews freeze the entire app if they're modified too often and too quickly.
We use this bool to tune down the write speed. Let me know if there's a more
reasonable alternative to this. */
unsigned long pendingLogLines;
bool tooMuchLogs;
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} accessory;
bool rom_warning_issued;
NSMutableString *capturedOutput;
bool logToSideView;
bool shouldClearSideView;
}
@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;
@end
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];
}
@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];
}
return self;
}
- (void) initDMG
{
GB_init(&gb);
[self initCommon];
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"dmg_boot" ofType:@"bin"] UTF8String]);
}
- (void) initCGB
{
GB_init_cgb(&gb);
[self initCommon];
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:@"cgb_boot" ofType:@"bin"] UTF8String]);
}
- (void) initCommon
{
GB_set_user_data(&gb, (__bridge void *)(self));
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_rgb_encode_callback(&gb, rgbEncode);
GB_set_camera_get_pixel_callback(&gb, cameraGetPixel);
GB_set_camera_update_request_callback(&gb, cameraRequestUpdate);
[self loadROM];
}
- (void) vblank
{
self.view.mouseHidingEnabled = (self.mainWindow.styleMask & NSFullScreenWindowMask) != 0;
[self.view flip];
GB_set_pixels_output(&gb, self.view.pixels);
[self reloadVRAMData: nil];
}
- (void) run
{
running = true;
GB_set_pixels_output(&gb, self.view.pixels);
self.view.gb = &gb;
GB_set_sample_rate(&gb, 96000);
self.audioClient = [[GBAudioClient alloc] initWithRendererBlock:^(UInt32 sampleRate, UInt32 nFrames, GB_sample_t *buffer) {
GB_apu_copy_buffer(&gb, buffer, nFrames);
} andSampleRate:96000];
self.view.mouseHidingEnabled = (self.mainWindow.styleMask & NSFullScreenWindowMask) != 0;
if (![[NSUserDefaults standardUserDefaults] boolForKey:@"Mute"]) {
[self.audioClient start];
}
NSTimer *hex_timer = [NSTimer timerWithTimeInterval:0.25 target:self selector:@selector(reloadMemoryView) userInfo:nil repeats:YES];
[[NSRunLoop mainRunLoop] addTimer:hex_timer forMode:NSDefaultRunLoopMode];
while (running) {
GB_run(&gb);
}
[hex_timer invalidate];
[self.audioClient stop];
self.audioClient = nil;
self.view.mouseHidingEnabled = NO;
GB_save_battery(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]);
stopping = false;
}
- (void) start
{
if (running) return;
[[[NSThread alloc] initWithTarget:self selector:@selector(run) object:nil] start];
}
- (void) stop
{
if (!running) return;
GB_debugger_set_disabled(&gb, true);
if (GB_debugger_is_stopped(&gb)) {
[self interruptDebugInputRead];
}
stopping = true;
running = false;
while (stopping);
GB_debugger_set_disabled(&gb, false);
}
- (IBAction)reset:(id)sender
{
[self stop];
if ([sender tag] == 0) {
GB_reset(&gb);
}
else {
GB_switch_model_and_reset(&gb, [sender tag] == 2);
GB_load_boot_rom(&gb, [[[NSBundle mainBundle] pathForResource:[sender tag] == 2? @"cgb_boot" : @"dmg_boot" ofType:@"bin"] UTF8String]);
}
if ([sender tag] != 0) {
/* User explictly selected a model, save the preference */
[[NSUserDefaults standardUserDefaults] setBool:[sender tag] == 1 forKey:@"EmulateDMG"];
}
/* 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];
}
}
- (IBAction)togglePause:(id)sender
{
if (running) {
[self stop];
}
else {
[self start];
}
}
- (void)dealloc
{
[cameraSession stopRunning];
GB_free(&gb);
if (cameraImage) {
CVBufferRelease(cameraImage);
}
}
- (void)windowControllerDidLoadNib:(NSWindowController *)aController {
[super windowControllerDidLoadNib:aController];
/* 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"];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(updateSideView)
name:NSTextDidChangeNotification
object:self.debuggerSideViewInput];
self.consoleOutput.textContainerInset = NSMakeSize(4, 4);
[self.view becomeFirstResponder];
self.view.shouldBlendFrameWithPrevious = ![[NSUserDefaults standardUserDefaults] boolForKey:@"DisableFrameBlending"];
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.feedSaveButton removeFromSuperview];
/* contentView.superview.subviews.lastObject is the titlebar view */
NSView *titleView = self.printerFeedWindow.contentView.superview.subviews.lastObject;
[titleView addSubview: self.feedSaveButton];
self.feedSaveButton.frame = (NSRect){{268, 2}, {48, 17}};
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"EmulateDMG"]) {
[self initDMG];
}
else {
[self initCGB];
}
[self start];
}
- (void) initMemoryView
{
hex_controller = [[HFController alloc] init];
[hex_controller setBytesPerColumn:1];
[hex_controller setFont:[NSFont userFixedPitchFontOfSize:12]];
[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;
}
- (void) loadROM
{
NSString *rom_warnings = [self captureOutputForBlock:^{
GB_load_rom(&gb, [self.fileName UTF8String]);
GB_load_battery(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sav"] UTF8String]);
GB_debugger_load_symbol_file(&gb, [[[NSBundle mainBundle] pathForResource:@"registers" ofType:@"sym"] UTF8String]);
GB_debugger_load_symbol_file(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:@"sym"] UTF8String]);
}];
if (rom_warnings && !rom_warning_issued) {
rom_warning_issued = true;
[GBWarningPopover popoverWithContents:rom_warnings onWindow:self.mainWindow];
}
}
- (void)close
{
[[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];
[super close];
}
- (IBAction) interrupt:(id)sender
{
[self log:"^C\n"];
GB_debugger_break(&gb);
if (!running) {
[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"];
}
- (IBAction)toggleBlend:(id)sender
{
self.view.shouldBlendFrameWithPrevious ^= YES;
[[NSUserDefaults standardUserDefaults] setBool:!self.view.shouldBlendFrameWithPrevious forKey:@"DisableFrameBlending"];
}
- (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)anItem
{
if([anItem action] == @selector(mute:)) {
[(NSMenuItem*)anItem setState:!self.audioClient.isPlaying];
}
else if ([anItem action] == @selector(togglePause:)) {
[(NSMenuItem*)anItem setState:(!running) || (GB_debugger_is_stopped(&gb))];
return !GB_debugger_is_stopped(&gb);
}
else if ([anItem action] == @selector(reset:) && anItem.tag != 0) {
[(NSMenuItem*)anItem setState:(anItem.tag == 1 && !GB_is_cgb(&gb)) || (anItem.tag == 2 && GB_is_cgb(&gb))];
}
else if ([anItem action] == @selector(toggleBlend:)) {
[(NSMenuItem*)anItem setState:self.view.shouldBlendFrameWithPrevious];
}
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];
}
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;
}
NSRect rect = window.contentView.frame;
int titlebarSize = window.contentView.superview.frame.size.height - rect.size.height;
int step = 160 / [[window screen] backingScaleFactor];
rect.size.width = floor(rect.size.width / step) * step + step;
rect.size.height = rect.size.width / 10 * 9 + titlebarSize;
if (rect.size.width > newFrame.size.width) {
rect.size.width = 160;
rect.size.height = 144 + titlebarSize;
}
else if (rect.size.height > newFrame.size.height) {
rect.size.width = 160;
rect.size.height = 144 + titlebarSize;
}
rect.origin = window.frame.origin;
rect.origin.y -= rect.size.height - window.frame.size.height;
return rect;
}
- (void) log: (const char *) string withAttributes: (GB_log_attributes) attributes
{
NSString *nsstring = @(string); // For ref-counting
if (capturedOutput) {
[capturedOutput appendString:nsstring];
return;
}
NSTextView *textView = logToSideView? self.debuggerSideView : self.consoleOutput;
if (!logToSideView && pendingLogLines > 128) {
/* The ROM causes so many errors in such a short time, and we can't handle it. */
tooMuchLogs = true;
return;
}
pendingLogLines++;
/* Make sure mouse is not hidden while debugging */
self.view.mouseHidingEnabled = NO;
dispatch_async(dispatch_get_main_queue(), ^{
if (shouldClearSideView) {
shouldClearSideView = false;
[self.debuggerSideView setString:@""];
}
[hex_controller reloadData];
[self reloadVRAMData: nil];
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];
NSAttributedString *attributed =
[[NSAttributedString alloc] initWithString:nsstring
attributes:@{NSFontAttributeName: font,
NSForegroundColorAttributeName: [NSColor whiteColor],
NSUnderlineStyleAttributeName: @(underline),
NSParagraphStyleAttributeName: paragraph_style}];
[textView.textStorage appendAttributedString:attributed];
if (pendingLogLines == 1) {
if (tooMuchLogs) {
tooMuchLogs = false;
[self log:"[...]\n"];
}
[textView scrollToEndOfDocument:nil];
if ([[NSUserDefaults standardUserDefaults] boolForKey:@"DeveloperMode"]) {
[self.consoleWindow orderBack:nil];
}
}
pendingLogLines--;
});
}
- (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;
}
shouldClearSideView = true;
logToSideView = true;
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);
}
}
logToSideView = false;
}
- (char *) getDebuggerInput
{
[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];
return input? strdup([input UTF8String]): NULL;
}
- (IBAction)saveState:(id)sender
{
bool __block success = false;
[self performAtomicBlock:^{
success = GB_save_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]) == 0;
}];
if (!success) {
[GBWarningPopover popoverWithContents:@"Failed to write save state." onWindow:self.mainWindow];
NSBeep();
}
}
- (IBAction)loadState:(id)sender
{
bool __block success = false;
NSString *error =
[self captureOutputForBlock:^{
success = GB_load_state(&gb, [[[self.fileName stringByDeletingPathExtension] stringByAppendingPathExtension:[NSString stringWithFormat:@"s%ld", (long)[sender tag] ]] UTF8String]) == 0;
}];
if (!success) {
if (error) {
[GBWarningPopover popoverWithContents:error onWindow:self.mainWindow];
}
NSBeep();
}
}
- (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 (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;
CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault;
CGImageRef iref = CGImageCreate(width,
height,
8,
32,
4 * width,
colorSpaceRef,
bitmapInfo,
provider,
NULL,
YES,
renderingIntent);
return [[NSImage alloc] initWithCGImage:iref size:NSMakeSize(width * scale, height * scale)];
}
- (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.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 $%04x is out of range.\n", addr);
return;
}
[hex_controller setSelectedContentsRanges:@[[HFRangeWrapper withRange:HFRangeMake(addr, 0)]]];
[hex_controller _ensureVisibilityOfLocation:addr];
[self.memoryWindow makeFirstResponder:self.memoryView.subviews[0].subviews[0]];
}];
if (error) {
NSBeep();
[GBWarningPopover popoverWithContents:error onView:sender];
}
}
- (IBAction)hexUpdateBank:(NSControl *)sender
{
NSString *error = [self captureOutputForBlock:^{
uint16_t addr, bank;
if (GB_debugger_evaluate(&gb, [[sender stringValue] UTF8String], &addr, &bank)) {
return;
}
if (bank == (uint16_t) -1) {
bank = addr;
}
uint16_t n_banks = 1;
switch ([(GBMemoryByteArray *)(hex_controller.byteArray) mode]) {
case GBMemoryROM: {
size_t rom_size;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_ROM, &rom_size, NULL);
n_banks = rom_size / 0x4000;
break;
}
case GBMemoryVRAM:
n_banks = GB_is_cgb(&gb) ? 2 : 1;
break;
case GBMemoryExternalRAM: {
size_t ram_size;
GB_get_direct_access(&gb, GB_DIRECT_ACCESS_CART_RAM, &ram_size, NULL);
n_banks = (ram_size + 0x1FFF) / 0x2000;
break;
}
case GBMemoryRAM:
n_banks = GB_is_cgb(&gb) ? 8 : 1;
break;
case GBMemoryEntireSpace:
break;
}
bank %= n_banks;
[sender setStringValue:[NSString stringWithFormat:@"$%x", bank]];
[(GBMemoryByteArray *)(hex_controller.byteArray) setSelectedBank:bank];
[hex_controller reloadData];
}];
if (error) {
NSBeep();
[GBWarningPopover popoverWithContents:error onView:sender];
}
}
- (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) {
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)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 $%04x",
tile,
tile_address,
0x8000 + map_base + map_offset
];
}
}
}
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
{
if (tableView == self.paletteTableView) {
return 16; /* 8 BG palettes, 8 OBJ palettes*/
}
else if (tableView == self.spritesTableView) {
return oamCount;
}
return 0;
}
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
{
NSUInteger columnIndex = [[tableView tableColumns] indexOfObject:tableColumn];
if (tableView == self.paletteTableView) {
if (columnIndex == 0) {
return [NSString stringWithFormat:@"%s %d", row >=8 ? "Object" : "Background", (int)(row & 7)];
}
uint8_t *palette_data = GB_get_direct_access(&gb, row >= 8? GB_DIRECT_ACCESS_OBP : GB_DIRECT_ACCESS_BGP, NULL, NULL);
uint16_t index = columnIndex - 1 + (row & 7) * 4;
return @((palette_data[(index << 1) + 1] << 8) | palette_data[(index << 1)]);
}
else if (tableView == self.spritesTableView) {
switch (columnIndex) {
case 0:
return [Document imageFromData:[NSData dataWithBytesNoCopy:oamInfo[row].image length:64 * 4] width:8 height:oamHeight scale:16.0/oamHeight];
case 1:
return @((int)oamInfo[row].x - 8);
case 2:
return @((int)oamInfo[row].y - 16);
case 3:
return [NSString stringWithFormat:@"$%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)];
self.feedImageView.image = [Document imageFromData:currentPrinterImageData
width:160
height:currentPrinterImageData.length / 160 / sizeof(imageBytes[0])
scale:2.0];
/* UI related code must run on main thread. */
dispatch_async(dispatch_get_main_queue(), ^{
NSRect frame = self.printerFeedWindow.frame;
frame.size = self.feedImageView.image.size;
frame.size.height += self.printerFeedWindow.frame.size.height - self.printerFeedWindow.contentView.frame.size.height;
[self.printerFeedWindow setMaxSize:frame.size];
[self.printerFeedWindow setFrame:frame display:NO animate: self.printerFeedWindow.isVisible];
[self.printerFeedWindow orderFront: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 == NSFileHandlingPanelOKButton) {
[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:NSPNGFileType properties:@{}];
[data writeToURL:savePanel.URL atomically:NO];
[self.printerFeedWindow setIsVisible:NO];
}
if (shouldResume) {
[self start];
}
}];
}
- (IBAction)disconnectAllAccessories:(id)sender
{
[self performAtomicBlock:^{
accessory = GBAccessoryNone;
GB_disconnect_serial(&gb);
}];
}
- (IBAction)connectPrinter:(id)sender
{
[self performAtomicBlock:^{
accessory = GBAccessoryPrinter;
GB_connect_printer(&gb, printImage);
}];
}
@end