ad.asm

来自「本压缩包包含1602液晶显示」· 汇编 代码 · 共 39 行

 ORG 00H
 MOV A,#00010100B
 CALL L1
A1: CALL DELAY
     JMP A1
L1:   CLR C
      MOV R5,#00H
      MOV R4,#00H
      MOV R3,#08H
NEXT: RLC A
      MOV R2,A
      MOV A,R5
      ADDC A,R5
      DA A
      MOV R5,A
      MOV A,R4
      ADDC A,R4
      DA A
      MOV R4,A
      MOV A,R2
      DJNZ R3,NEXT
L2:   MOV A,R5
      ADD A,R5
      DA A
      MOV R5,A
      MOV 41H,R5
      MOV A,R4
      ADDC A,R4
      DA A
      MOV R4,A
      MOV 40H,R4
      RET
DELAY:MOV R6,#10
D1:   MOV R7,#248
      DJNZ R7,$
      DJNZ R6,D1
      RET
      END