两组数据循环显示.asm

来自「开发平台,任一MCS-51单片机上,很多程序,如键盘,显示,液晶驱动」· 汇编 代码 · 共 33 行

ORG 00H
MAIN:LJMP LXH
ORG 50H
LXH: MOV 50H,#01H
     MOV 51H,#0AH
     MOV 52H,#08H
     MOV 53H,#0AH
     MOV 54H,#06H
     MOV 55H,#00H
     MOV 56H,#00H
     MOV 57H,#02H
LXH1:MOV R7 ,#08H
     MOV DPTR,#044CH
     MOV R0,#50H
LXH2:MOV A,@R0
     MOVC A,@A+DPTR
     INC R0
     LCALL SS
     DJNZ R7,LXH2
     SJMP $
;******************一位数显子程序********************
SS:MOV R5,#08H
SS1:RLC A
   MOV P1.0,C
   CLR P1.1
   SETB P1.1
   DJNZ R5,SS1
RET

ORG 044CH
DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,00H  ;0--9的七段码(共阴) 和消影
  END