DATAS SEGMENT
;此處輸入數據段代碼
N DW 0
DATAS ENDS
CODES SEGMENT
ASSUME CS:CODES,DS:DATAS
START:
MOV AX,DATAS
MOV DS,AX
;此處輸入代碼段代碼
XOR AX,AX
L1:
INC N
ADD AX,N
CMP AX,1000
JNA L1
;跳出循環後得到要求的N值:45
;1+2+...+45=1035
MOV AH,4CH
INT 21H
CODES ENDS
END START