diff --git a/Machines/PCCompatible/PCCompatible.cpp b/Machines/PCCompatible/PCCompatible.cpp
index 68373b59a..f7c675024 100644
--- a/Machines/PCCompatible/PCCompatible.cpp
+++ b/Machines/PCCompatible/PCCompatible.cpp
@@ -133,6 +133,7 @@ class MDA {
 						}
 					}
 
+					// TODO: cursor.
 					if(pixels) {
 						const uint8_t attributes = ram[((state.refresh_address << 1) + 1) & 0xfff];
 						const uint8_t glyph = ram[((state.refresh_address << 1) + 0) & 0xfff];