8051 Program – move block of data without overlap

; move block of data bytes
; without overlap
	ORG 0H
START:
	MOV R1,#10H	;starting addr of src
	MOV R2,#20H	;ending addr of src
	MOV R0,#30H	;starting addr of desti
	CLR C
	MOV A,R2
	SUBB A,R1
	MOV R2,A	;determination of size and stored in R2
LOOP:	MOV A,@R1
	MOV @R0,A	;copy data byte
	INC R1
	INC R0
	DJNZ R2,LOOP
	SJMP $
	END

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List of topics: 8051

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