toggle speed limiter (#260)

parallel-rdp/interface.cpp

@@ -152,6 +152,12 @@ bool sdl_event_filter(void *userdata, SDL_Event *event)
 				SDL_SetWindowFullscreen(window, fullscreen);
 			}
 			break;
+		case SDL_SCANCODE_F:
+			if (event->key.mod & SDL_KMOD_ALT)
+			{
+				callback.enable_speedlimiter = !callback.enable_speedlimiter;
+			}
+			break;
 		case SDL_SCANCODE_ESCAPE:
 			if (fullscreen)
 				callback.emu_running = false;
@@ -227,6 +233,7 @@ void rdp_init(void *_window, GFX_INFO _gfx_info, bool _upscale, bool _integer_sc
 	wsi->begin_frame();
 
 	callback.emu_running = true;
+	callback.enable_speedlimiter = true;
 }
 
 void rdp_close()

parallel-rdp/interface.hpp

@@ -24,6 +24,7 @@ extern "C"
 		bool emu_running;
 		bool save_state;
 		bool load_state;
+		bool enable_speedlimiter;
 	} CALL_BACK;
 
 	void rdp_init(void *_window, GFX_INFO _gfx_info, bool _upscale, bool _integer_scaling, bool _fullscreen);

src/device.rs

@@ -435,6 +435,7 @@ impl Device {
                 field: 0,
                 delay: 0,
                 count_per_scanline: 0,
+                enable_speed_limiter: true,
                 limiter: None,
                 vi_counter: 0,
                 last_origin: 0,

src/device/vi.rs

@@ -26,6 +26,7 @@ pub struct Vi {
     #[serde(skip)]
     pub limiter: Option<governor::DefaultDirectRateLimiter>,
     pub count_per_scanline: u64,
+    pub enable_speed_limiter: bool,
     pub vi_counter: u64,
     pub last_origin: u32,
     pub internal_frame_counter: u64,
@@ -139,14 +140,13 @@ pub fn write_regs(device: &mut device::Device, address: u64, value: u32, mask: u
 pub fn vertical_interrupt_event(device: &mut device::Device) {
     ui::video::check_callback(device);
 
-    let mut enable_speed_limiter = true;
     if device.netplay.is_some() {
         netplay::send_sync_check(device);
-        enable_speed_limiter = !device.netplay.as_ref().unwrap().fast_forward;
+        device.vi.enable_speed_limiter = !device.netplay.as_ref().unwrap().fast_forward;
     }
 
     device.vi.vi_counter += 1;
-    if device.vi.vi_counter % device.vi.limit_freq == 0 && enable_speed_limiter {
+    if device.vi.vi_counter % device.vi.limit_freq == 0 && device.vi.enable_speed_limiter {
         speed_limiter(device);
     }
     ui::video::update_screen();

src/ui/video.rs

@@ -92,6 +92,7 @@ pub fn check_callback(device: &mut device::Device) {
         } else if callback.load_state {
             device.load_state = true;
         }
+        device.vi.enable_speed_limiter = callback.enable_speedlimiter;
     }
 }