1加到100 8位.asm

模拟实际的交通灯程序 1加到100 8086模拟器2.05

#make_COM#

; COM file is loaded at CS:0100h
; (the value of CS is set by Operating System)
ORG 100h


;求1+2+3+....+100
;用八位的加法实现
mov ax,00   ;结果单元清0
mov cl,100  ;cl作为循环变量
abc:
    add al,cl
    adc ah,0  ;进位加到ah中
    dec cl
    jnz abc
    hlt      ;结果保存在ax中