单片机彩灯设计控制器 基于AT89c51.doc

利用8051的P0口和P2口做花样流水灯的控制程序 ORG 0000H JMP MAIN ORG 0030H ;********************************************************* MAIN: MOV SP,#60H MOV P0,#0FFH MOV P2,#0FFH MOV R0,#00H MAIN1: MOV A,R0 ;取数地址送A MOV DPTR,#TABLE_P0 ;查表取数 MOVC A,@A+DPTR MOV P0,A ;送P0显示 MOV A,R0 MOV DPTR,#TABLE_P2 ;查表取数 MOVC A,@A+DPTR MOV P2,A ;送P2显示 INC R0 ;取数地址加1 CALL DELAY CJNE R0,#90,MAIN1 MOV R0,#00H JMP MAIN1 ;********************************************************* DELAY: ;延时子程序 MOV R5,#03 DEL1: MOV R6,#250 DEL2: MOV R7,#248 DJNZ R7,$ DJNZ R6,DEL2 DJNZ R5,DEL1 RET ;********************************************************* TABLE_P0: DB 0FEH,0FDH,0FBH,0F7H,0EFH,0DFH,0BFH,07FH DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH DB 07FH,0BFH,0DFH,0EFH,0F7H,0FBH,0FDH,0FEH,0FFH DB 0FEH,0FDH,0FBH,0F7H,0EFH,0DFH,0BFH,07FH DB 0BFH,0DFH,0EFH,0F7H,0FBH,0FDH,0FEH,0FFH DB 0FCH,0F3H,0CFH,03FH,0FFH,0FFH,0FFH,0FFH DB 0FFH,0FFH,0FFH,0FFH,0FFH,03FH,0CFH,0F3H,0FCH,0FFH DB 0FCH,0F3H,0CFH,03FH,0FFH,03FH,0CFH,0F3H,0FCH,0FFH DB 0F0H,0FFH,00FH,0FFH,0FFH,000H,000H,0FFH,000H,000H,0FFH,0FFH TABLE_P2: DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH DB 0FEH,0FDH,0FBH,0F7H,0EFH,0DFH,0BFH,07FH DB 0FFH,07FH,0BFH,0DFH,0EFH,0F7H,0FBH,0FDH,0FEH DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH DB 07FH,0BFH,0DFH,0EFH,0F7H,0FBH,0FDH,0FEH DB 0FDH,0FBH,0F7H,0EFH,0DFH,0BFH,07FH,0FFH DB 0FFH,0FFH,0FFH,0FFH,0FCH,0F3H,0CFH,03FH DB 0FFH,03FH,0CFH,0F3H,0FCH,0FFH,0FFH,0FFH,0FFH,0FFH DB 03FH,0CFH,0F3H,0FCH,0FFH,0FCH,0F3H,0CFH,03FH,0FFH