love.asm

创意LOVE彩灯欣赏

      ORG 0000H
      LJMP START
      ORG 0030H
;初始化
START: MOV DPTR,#TAB
       MOV R0,#00H;从00开始计数
 MAIN: MOV A,R0
       MOVC A,@A+DPTR
	   MOV P0,A
	   MOV P1,A
	   LCALL DELAY
	   LCALL DELAY
	   INC R0
	   CJNE R0,#46,MAIN
	   MOV R0,#00H
	   LJMP MAIN
;闪烁延时函数
DELAY:MOV R5,#20 
   D1:MOV R6,#20 
   D2:MOV R7,#248 
      DJNZ R7,$ 
      DJNZ R6,D2 
      DJNZ R5,D1 
      RET
;查表
TAB:  DB 0FEH,0FDH,0FBH,0F7H,0EFH,0DFH,0BFH
      DB 0FFH,00H,0FFH,00H,0FFH,00H,0FFH
	  DB 0BFH,0DFH,0EFH,0F7H,0FBH,0FDH,0FEH
	  DB 0FFH,00H,0FFH,00H,0FFH,00H,0FFH
	  DB 0FCH,0F9H,0F3H,0E7H,0CFH,9FH
	  DB 0FFH,00H,0FFH,00H,0FFH,00H,0FFH
	  DB 9FH,0CFH,0E7H,0F3H,0F9H,0FCH
	  END