diff -r f049c3d3244d -r b997cbf9e30b c++/rgb-assembler/commands/Sleep.h
--- a/c++/rgb-assembler/commands/Sleep.h	Sun Dec 24 00:47:34 2017 +0100
+++ b/c++/rgb-assembler/commands/Sleep.h	Mon Dec 25 00:24:07 2017 +0100
@@ -31,13 +31,11 @@
 class Sleep : public Command {
 public:
 
-	void process(octet_t* memory, address_t& index) override {
-		sleep_t delay = read<sleep_t>(memory, index);
+	void process(Memory &memory) override {
+		sleep_t delay = memory.read<sleep_t>();
 		wprintf(L"SLEEP %*d ms\n", 4, delay);
 		this_thread::sleep_for(chrono::milliseconds(delay));
 	}
-private:
-
 };
 
 }