;将FFH送存到内存1000H,1001H,1002H,1003H,1004H单元.
DATA SEGMENT
ORG 1000H
HI DB 5 DUP(?)
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
START: MOV  AX,DATA
       MOV  DS,AX
       MOV  AX,0FFH
       MOV  BX,1000H
       MOV  CX,5
N1:    MOV  [BX],AX
       INC  BX
       LOOP N1
       MOV AH,4CH
       INT 21H
CODE   ENDS
       END START