diff --git a/src/tic.c b/src/tic.c
index 99c1a11..533a9ba 100644
--- a/src/tic.c
+++ b/src/tic.c
@@ -153,6 +153,7 @@ static void setPixel(tic_machine* machine, s32 x, s32 y, u8 color)
 {
 	if(x < machine->state.clip.l || y < machine->state.clip.t || x >= machine->state.clip.r || y >= machine->state.clip.b) return;
 
+	// TODO: check color bounds here
 	tic_tool_poke4(machine->memory.ram.vram.screen.data, y * TIC80_WIDTH + x, tic_tool_peek4(machine->memory.ram.vram.mapping, color));
 }