uart_1gai_cuo.asm

单片机 双机通讯 单片机双机通讯单片机 双机通讯 单片机双机通讯

;PROTEUS !!!!!

        ORG 0000H
        LJMP 0100H
        ORG  0100H
START:  MOV TMOD,#20H
        MOV TL1,#0E8H
        MOV TH1,#0E8H
        MOV PCON,#00H
        SETB TR1
        MOV SCON,#40H
LOOP2:  MOV P1,#0FFH
        MOV A,P1
        MOV SBUF ,A
LOOP1:  JNB TI,LOOP1
        CLR TI
        LCALL DELAY
        SJMP LOOP2
            
DELAY: MOV R5,#20 ;延时子程序，延时0.2秒
D1:    MOV R6,#20
D2:    MOV R7,#248
       DJNZ R7,$
       DJNZ R6,D2
       DJNZ R5,D1
       RET
        END