DI
		LD		BC,#BC11
		LD		HL,#DFD0
BCL1:	LD		A,(HL)
		OUT		(C),A
		INC		HL
		DEC		C
		JR		NZ,BCL1
		LD		BC,#7FA0
		LD		A,(#D7D0)
		OUT		(C),A
		OUT		(C),C
		LD		BC,#7FB8
		OUT		(C),C
		LD		HL,#D7D1
		LD		DE,#6400
		LD		BC,#0022
		LDIR
BCL2:	CALL	WaitKey
		JR		C,BCL2
		EI
		RET
		
		ORG	#DFD0
; unlock asic
		DB		#FF, #00, #FF, #77, #B3, #51, #A8, #D4, #62, #39, #9C, #46, #2B, #15, #8A, #CD, #EE