diff --git a/Machines/AmstradCPC/AmstradCPC.cpp b/Machines/AmstradCPC/AmstradCPC.cpp
index 349a4456b..c5ed4a245 100644
--- a/Machines/AmstradCPC/AmstradCPC.cpp
+++ b/Machines/AmstradCPC/AmstradCPC.cpp
@@ -185,6 +185,8 @@ class CRTCBusHandler {
 			bus state and determines what output to produce based on the current palette and mode.
 		*/
 		forceinline void perform_bus_cycle(const Motorola::CRTC::BusState &state) {
+			// TODO: there's a one-tick delay on pixel output; incorporate that.
+
 			// The gate array waits 2us to react to the CRTC's vsync signal, and then
 			// caps output at 4us. Since the clock rate is 1Mhz, that's 2 and 4 cycles,
 			// respectively.