8051 Program – sum of set of numbers in external ram

;sum of set of numbers
;external memory
	ORG 0H
START:
	MOV R0,#10	;No of bytes
	MOV R1,#00	;R1=SUM=0
	MOV DPTR,#9000H	;DPTR=9000
LOOP:	MOVX A,@DPTR
	ADD A,R1	;Sum=sum+n[i]
	MOV R1,A
	INC DPTR
	DJNZ R0,LOOP
	SJMP $
	END

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List of topics: 8051

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