单片机清零;帮忙把7000H-70FFH单元的内容清零.

写重点，前后就不写了
MOV A,#0
MOV DPTR,#7000H
MOV R7,#0FFH
LOOP:
MOV @DPTR,A
INC DPTR
DJNZ R7,LOOP

MOV R0,FFH
TAB:MOV DPTR,#7000H
MOV A,#00H
MOV @DPTR,A
INC DPTR
DJNZ R0,TAB

mov a,#00h
mov dptr,7000h
mov r1,0ffh
loop :mov @dptr,a
inc dptr
djnz r1,loop
end