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Make sure the CPU graph advanced correctly even in turbo mode

This commit is contained in:
Lior Halphon 2025-06-07 14:24:35 +03:00
parent d211120312
commit f0a672c39e
4 changed files with 21 additions and 0 deletions
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7
Cocoa/Document.m
View File

@ -288,6 +288,7 @@ static void debuggerReloadCallback(GB_gameboy_t *gb)
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_enable_skipped_frame_vblank_callbacks(&_gb, true);
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);
@ -359,6 +360,12 @@ static void debuggerReloadCallback(GB_gameboy_t *gb)
- (void)vblankWithType:(GB_vblank_type_t)type
{
if (type == GB_VBLANK_TYPE_SKIPPED_FRAME) {
double frameUsage = GB_debugger_get_frame_cpu_usage(&_gb);
[_cpuView addSample:frameUsage];
return;
}
if (_gbsVisualizer) {
dispatch_async(dispatch_get_main_queue(), ^{
[_gbsVisualizer setNeedsDisplay:true];

11
Core/display.c
View File

@ -197,7 +197,13 @@ void GB_display_vblank(GB_gameboy_t *gb, GB_vblank_type_t type)
}
if (gb->turbo) {
#ifndef GB_DISABLE_DEBUGGER
if (unlikely(gb->backstep_instructions)) return;
#endif
if (GB_timing_sync_turbo(gb)) {
if (gb->vblank_callback && gb->enable_skipped_frame_vblank_callbacks) {
gb->vblank_callback(gb, GB_VBLANK_TYPE_SKIPPED_FRAME);
}
return;
}
}
@ -2485,3 +2491,8 @@ double GB_get_usual_frame_rate(GB_gameboy_t *gb)
{
return GB_get_clock_rate(gb) / (double)LCDC_PERIOD;
}
void GB_set_enable_skipped_frame_vblank_callbacks(GB_gameboy_t *gb, bool enable)
{
gb->enable_skipped_frame_vblank_callbacks = enable;
}

2
Core/display.h
View File

@ -20,6 +20,7 @@ typedef enum {
GB_VBLANK_TYPE_LCD_OFF, // An artificial frame pushed while the LCD was off
GB_VBLANK_TYPE_ARTIFICIAL, // An artificial frame pushed for some other reason
GB_VBLANK_TYPE_REPEAT, // A frame that would not render on actual hardware, but the screen should retain the previous frame
GB_VBLANK_TYPE_SKIPPED_FRAME, // If enabled via GB_set_enable_skipped_frame_vblank_callbacks, called on skipped frames during turbo mode
} GB_vblank_type_t;
typedef void (*GB_vblank_callback_t)(GB_gameboy_t *gb, GB_vblank_type_t type);
@ -95,6 +96,7 @@ static const GB_color_correction_mode_t __attribute__((deprecated("Use GB_COLOR_
static const GB_color_correction_mode_t __attribute__((deprecated("Use GB_COLOR_CORRECTION_MODERN_BOOST_CONTRAST instead"))) GB_COLOR_CORRECTION_PRESERVE_BRIGHTNESS = GB_COLOR_CORRECTION_MODERN_BOOST_CONTRAST;
void GB_set_vblank_callback(GB_gameboy_t *gb, GB_vblank_callback_t callback);
void GB_set_enable_skipped_frame_vblank_callbacks(GB_gameboy_t *gb, bool enable);
void GB_set_rgb_encode_callback(GB_gameboy_t *gb, GB_rgb_encode_callback_t callback);
void GB_set_palette(GB_gameboy_t *gb, const GB_palette_t *palette);
const GB_palette_t *GB_get_palette(GB_gameboy_t *gb);

1
Core/gb.h
View File

@ -833,6 +833,7 @@ struct GB_gameboy_internal_s {
/* Misc */
bool turbo;
bool turbo_dont_skip;
bool enable_skipped_frame_vblank_callbacks;
bool disable_rendering;
uint8_t boot_rom[0x900];
bool vblank_just_occured; // For slow operations involving syscalls; these should only run once per vblank