8个数码管显示88-88-88，用89c51，p1位控p0段控，用汇编程序，急求，谢谢。

Question

如题所述

Answer 1

汇编程序如下

RESET:MOV  R0,#30H

DISBU:MOV  @R0,#8

INC  R0

CJNE R0,#38H,DISBU

MOV  32H,#10

MOV  35H,#10

MOV  DPTR,#TABLE

DISPY:MOV  R0,#30H

MOV  R1,#1

DISP0:MOV  P1,R1

MOV  A ,@R0

MOVC A ,@A+DPTR

MOV  P0,A

ACALL DELAY

MOV  A ,R1

RL   A

MOV  R1,A

INC  R0

CJNE R0,#38H,DISP0

AJMP DISPY

DELAY:MOV  R6,#2

DL0: MOV  R5,#100

DJNZ R5,$

DJNZ R6,DL0

RET

TABLE:DB 0C0H,0F9H,0A4H,0B0H,99H

DB 92H,82H,0F8H,80H,90H,0BFH

END

下面是仿真图，即仿真效果