10.2.4

来自「单片机源程序三位依次显示动态扫描的例子」· 4 代码 · 共 18 行

DISPLAY:
MOV	DPTR,#2C01H					
MOV	A,#08H						
MOVX	@DPTR,A						
MOV	A,#14H						
MOVX	@DPTR,A						
MOV	A,#90H							
MOVX	@DPTR,A						
MOV	R0,#50H						
MOV	R2,#10H							
MOV	DPTR,#2C00H					
AGAIN:
MOV	A,@R0						
MOVX	@DPTR,A						
INC		R0								
DJNZ	R2,AGAIN						
RET