1.asm

该程序为80C51程序,基于24MHz的以9.6Kb的波特率进行与计算机通讯程序.

org 0000H
LJMP receive

org 0100H
receive:  mov TMOD,#20H
	 orl PCON,#80H
	 mov TH1,#0F3H
	 mov TL1,#0F3H
	 clr ET1
	 clr ES
	 setb tr1
	 mov scon,#50H
	 clr T1
	 setb ES
	 setb EA

 wait:  ajmp wait

 org 0023H
     cpl p0.0
     mov A,SBUF
     mov SBUF,A
     jnb TI,$
     clr TI
     CLR RI
     RETI
     END