2_2.txt

This are the Laboratory programs for the 89c51

;ARRAY ADDITION IN EXT
ORG 0000H
MOV DPTR ,#2000H
MOV R3 ,08H
MOVX A, @DPTR
MOV R0,A
XXX:
INC DPTR
MOVX A,@DPTR
ADD A,R0
JNC YYY
INC R1														   	   
YYY:
MOV R0,A
DJNZ R3,XXX
MOV DPTR,#2010H
MOV A,R0
MOVX @DPTR,A
INC DPTR
MOV A,R1
MOVX @DPTR,A
HERE: SJMP HERE
END