10.2.2串行口扩展显示.txt

《MCS-51单片机应用开发实用子程序》配套源代码下载

SDISP:
MOV 	R2,#04H						
MOV 	R0,#26H						
LOOP0:
MOV 	A,@R0						
ADD 	A,#0BH
MOVC 	A,@A+PC						
MOV 	SBUF,A						
LOOP1:
JNB 		TI,LOOP1						
CLR		TI
INC 		R0							
DJNZ 	R2,LOOP0						
RET
SEGTAL:
DB 	C0H								
F9H								
A4H								
B0H								
99H								
92H 								
82H								
F8H								
80H								
90H