diff --git a/build.rs b/build.rs
index 807dcd3..a717c62 100644
--- a/build.rs
+++ b/build.rs
@@ -98,6 +98,7 @@ fn main() {
         .allowlist_function("rdp_close")
         .allowlist_function("rdp_set_vi_register")
         .allowlist_function("rdp_update_screen")
+        .allowlist_function("rdp_full_sync")
         .allowlist_function("rdp_process_commands")
         .parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
         .generate()
diff --git a/parallel-rdp/interface.cpp b/parallel-rdp/interface.cpp
index c6635c0..5f8707d 100644
--- a/parallel-rdp/interface.cpp
+++ b/parallel-rdp/interface.cpp
@@ -62,6 +62,7 @@ static int cmd_cur;
 static int cmd_ptr;
 static bool emu_running;
 static GFX_INFO gfx_info;
+static uint64_t sync_signal;
 
 static const unsigned cmd_len_lut[64] = {
 	1,
@@ -383,8 +384,6 @@ uint64_t rdp_process_commands()
 	if ((cmd_ptr + length) & ~(0x0003FFFF >> 3))
 		return interrupt_timer;
 
-	*gfx_info.DPC_STATUS_REG |= DP_STATUS_PIPE_BUSY | DP_STATUS_START_GCLK;
-
 	uint32_t offset = DP_CURRENT;
 	if (*gfx_info.DPC_STATUS_REG & DP_STATUS_XBUS_DMA)
 	{
@@ -433,7 +432,7 @@ uint64_t rdp_process_commands()
 
 		if (RDP::Op(command) == RDP::Op::SyncFull)
 		{
-			processor->wait_for_timeline(processor->signal_timeline());
+			sync_signal = processor->signal_timeline();
 
 			uint32_t width = viCalculateHorizonalWidth(*gfx_info.VI_H_START_REG, *gfx_info.VI_X_SCALE_REG, *gfx_info.VI_WIDTH_REG);
 			if (width == 0)
@@ -446,8 +445,6 @@ uint64_t rdp_process_commands()
 				height = 240;
 			}
 			interrupt_timer = width * height * 4;
-
-			*gfx_info.DPC_STATUS_REG &= ~(DP_STATUS_PIPE_BUSY | DP_STATUS_START_GCLK);
 		}
 
 		cmd_cur += cmd_length;
@@ -456,7 +453,11 @@ uint64_t rdp_process_commands()
 	cmd_ptr = 0;
 	cmd_cur = 0;
 	*gfx_info.DPC_CURRENT_REG = *gfx_info.DPC_END_REG;
-	*gfx_info.DPC_STATUS_REG |= DP_STATUS_CBUF_READY;
 
 	return interrupt_timer;
 }
+
+void rdp_full_sync()
+{
+	processor->wait_for_timeline(sync_signal);
+}
diff --git a/parallel-rdp/interface.hpp b/parallel-rdp/interface.hpp
index b53268e..67075e8 100644
--- a/parallel-rdp/interface.hpp
+++ b/parallel-rdp/interface.hpp
@@ -28,6 +28,7 @@ extern "C"
 	void rdp_set_vi_register(uint32_t reg, uint32_t value);
 	bool rdp_update_screen();
 	uint64_t rdp_process_commands();
+	void rdp_full_sync();
 
 #ifdef __cplusplus
 }
diff --git a/src/device/rdp.rs b/src/device/rdp.rs
index c61f4db..5d46e61 100644
--- a/src/device/rdp.rs
+++ b/src/device/rdp.rs
@@ -102,6 +102,7 @@ pub fn write_regs_dpc(device: &mut device::Device, address: u64, value: u32, mas
 
 fn run_rdp(device: &mut device::Device) {
     let timer = ui::video::process_rdp_list();
+    device.rdp.regs_dpc[DPC_STATUS_REG as usize] |= DPC_STATUS_START_GCLK | DPC_STATUS_PIPE_BUSY;
 
     if timer != 0 {
         device::events::create_event(
@@ -183,5 +184,9 @@ pub fn init(device: &mut device::Device) {
 }
 
 fn rdp_interrupt_event(device: &mut device::Device) {
+    device.rdp.regs_dpc[DPC_STATUS_REG as usize] &= !(DPC_STATUS_START_GCLK | DPC_STATUS_PIPE_BUSY);
+
+    ui::video::full_sync();
+
     device::mi::set_rcp_interrupt(device, device::mi::MI_INTR_DP)
 }
diff --git a/src/ui/video.rs b/src/ui/video.rs
index dfa52e5..ff38bf8 100644
--- a/src/ui/video.rs
+++ b/src/ui/video.rs
@@ -73,6 +73,10 @@ pub fn process_rdp_list() -> u64 {
     unsafe { rdp_process_commands() }
 }
 
+pub fn full_sync() {
+    unsafe { rdp_full_sync() }
+}
+
 pub fn draw_text(text: &str, renderer: *mut sdl3_sys::render::SDL_Renderer, font: &rusttype::Font) {
     let text_size = 32;
     let scale = rusttype::Scale::uniform(text_size as f32);