traffic_lights.asm

汇编语言 参考书 包含作业与答案 从入门到精通 通俗易懂

#MAKE_BIN#
#CS = 500#
#IP = 0#

; This is a sample of OUT instruction.
; It writes values to virtual I/O port
; of Traffic Lights Intersection, by
; setting bits we can turn off/on
; the lights. Your task will be to
; to improve it, and make it work just
; like real Traffic Lights System :)

MOV AX, 1

next_situation:

OUT 4, AX

ROL AX, 1    ; rotate bit.

JMP next_situation