Cookie: Routine at 74D4

74D4: Reset Screen Buffer

Used by the routines at CreateWindow, StartGame and CreateIntroductionIngredient. Clears the screen buffer by filling it with zero.
ResetScreen	74D4	LD HL,$4000	Point HL at the start of the screen buffer.
	74D7	LD B,$58	Set the end of the screen buffer (58 the start of the attributes).
ResetScreen_Fill	74D9	LD C,$00	Set the byte to write to 00 (blank).
View the equivalent code in; Alien 8 Atic Atac Cyberun Gunfright Jetpac Knight Lore Lunar Jetman Nightshade Pssst Sabre Wulf Tranz Am Continue on to ResetCopier to blank the screen buffer.