io.asm

来自「基于９６单片机的串口通讯程序」· 汇编 代码 · 共 12 行

CODE SEGMENT    ;IO.ASM            
ASSUME CS:CODE
        ORG 19D0H
START:  MOV DX,8000H
        IN AL,DX
        MOV DX,9000H
        OUT DX,AL
        JMP START
CODE ENDS
END START