交通灯lcd and led.asm

是我在电子竞赛期间写的一些单片机汇编程序

;-------------------------------------?????-----------------------------------
  	ORG 0000H
	AJMP MAIN
	ORG 000BH
	AJMP PIPO
	ORG   0030H
MAIN:	MOV   SP,#5FH		;???????30H
	MOV 40H,#00H		;?????????,?????	
	MOV 41H,#25H		;?????
	MOV TMOD,#01H		;?????0????1
	MOV TH0,#0DCH		;???
	MOV TL0,#00H		;??10MS						
	SETB EA			;????,(??)
	SETB ET0			;??????
	SETB TR0			;????
	MOV 42H,#00H		;????????????
	MOV R6,#00H			;????????
	MOV 44H,#00H	
  	ACALL INIT
  	ACALL FIRST
  	MOV   DPTR,#TABLE1
  	ACALL DISPLAY
  	ACALL SECOND
  	MOV   DPTR,#TABLE2
  	ACALL DISPLAY
CYCLE:ACALL THIRD
  	MOV A,41H
  	SWAP A
  	ANL A,#0FH
 	ACALL TABLE
  	ACALL WRDATA
  	LCALL DELAY
  	MOV A,41H
  	ANL A,#0FH
  	ACALL TABLE
  	ACALL WRDATA
  	LCALL DELAY
LED1:
	MOV P0,#0FFH
	MOV A,41H   
	ANL A,#0FH
	ACALL TABLEK
	MOV P2,A
	CLR P0.6
	ACALL DELAY
	SETB P0.6
	MOV A,41H
	SWAP A
	ANL A,#0FH
	ACALL TABLEK
	MOV P2,A
	CLR P0.5
	ACALL DELAY
	SETB P0.5
LED:
BB0:	MOV R7,42H
    	CJNE R7,#01H,BB1
	MOV P2,#0FFH
	MOV A,44H
	JB ACC.0, BULIAO1	
	SETB P0.7
	CLR P2.4
	CLR P2.0
	CLR P0.7 

	SETB P0.7
BULIAO1:
BB1:	MOV R7,42H
	CJNE R7,#02H,BB2
	SETB P0.7

	MOV P2,#0FFH
	CLR P2.2
	CLR P2.3
	CLR P0.7 
	SETB P0.7
BB2:	MOV R7,42H
	CJNE R7,#03H,BB3
	MOV A,44H
	MOV P2,#0FFH
	
	JB ACC.0, BULIAO	
	SETB P0.7
	CLR P2.1
	CLR P2.3
	CLR P0.7 
	SETB P0.7
BULIAO:
BB3:	MOV R7,42H
	CJNE R7,#00H,OUT1
	SETB P0.7
	
	MOV P2,#0FFH
	CLR P2.5
	CLR P2.0
	CLR P0.7 
	SETB P0.7
OUT1:	

	AJMP  CYCLE
TABLEK:INC A
	MOVC A,@A+PC
	RET     
DB 0C0H,0F9H,0A4H,0B0H,099H,092H,082H,0F8H,080H,090H

INIT:
  	MOV A,#01H
	ACALL WRCON
  	MOV   A,#38H
  	ACALL WRCON
  	MOV A,#0CH
  	ACALL WRCON
  	MOV   A,#01H
  	ACALL WRCON
  	MOV   A,#06H
  	ACALL WRCON
  	MOV   A,#0CH
  	ACALL WRCON
  	RET
DISPLAY:
  	MOV   R1,#00H
NEXT:
  	MOV   A, R1
  	MOVC  A, @A+DPTR
  	CJNE  A, #23H,DSP
  	RET
DSP:
  	ACALL  WRDATA
  	INC    R1
  	AJMP   NEXT
FIRST:
  	MOV    A,#10000000B
  	ACALL  WRCON
  	RET
SECOND:
  	MOV    A,#11000000B
  	ACALL  WRCON
  	RET
THIRD:
  	MOV    A,#11001000B
  	ACALL  WRCON
  	RET
WRCON:
  	ACALL  BUSY
  	MOV    P3,#11110001B
  	NOP
  	SETB P3.3
  	MOV P0,A
  	NOP
  	CLR    P3.3
  	RET
WRDATA:
  	ACALL  BUSY
  	MOV   P3,#11110011B
  	NOP
  	SETB   P3.3
  	MOV    P0,A
  	NOP
  	CLR    P3.3
RET

BUSY:
  	PUSH   ACC
WAIT:
 	MOV   P3,#11110101B
  	NOP
  	SETB   P3.3
  	MOV    A,P0
  	JB     ACC.7,WAIT
  	POP    ACC
  	RET

DELAY: PUSH PSW				;?????
	 MOV	R3,#10H
DELAY0:MOV	R4,#50H
DELAY1:DJNZ	R4,DELAY1
	 DJNZ	R3,DELAY0
	 POP PSW 
	RET

	
;DELAY12:
  	;MOV     R6,#80H
;D1:
 ;	MOV     R7,#80H
  	;DJNZ    R7,$
  	;DJNZ    R6,D1
  	
TABLE1:
       DB  "Triffic program:"
       DB  "#"

TABLE2:
       DB  "time is:"
       DB  "#"

TABLE:  INC     A	         
        MOVC    A,   @A+PC    
        RET
DB     "0123456789"	

PIPO: INC R6			;1?????
	CJNE R6,#32H,NEXT1	
	MOV R6,#00H
	INC 44H
NEXT1:PUSH PSW			;10MS??
	PUSH ACC
	MOV TH0,#0DCH		;???? 
	MOV TL0,#00H
	INC 40H      
	MOV A,40H
	CJNE A,#64H,RET0
	MOV 40H,#00H
	MOV A,41H
	DEC A
KK:	CJNE A,#1FH,KK0		;?1F??6
	SUBB A,#06H
	AJMP KK1
KK0:	CJNE A,#0FH,KK1		;?0F??6
	SUBB A,#06H
KK1:	MOV 41H,A
KK2:	CJNE A,#0FFH,RET0
	MOV R7,42H
AA0:	CJNE R7,#00H,AA1		;??25S?5S?15S?5S????????
	MOV 41H,#05H
	INC 42H
AA1:	CJNE R7,#01H,AA2
	MOV 41H,#15H
	INC 42H
AA2:	CJNE R7,#02H,AA3
	MOV 41H,#05H
	INC 42H
AA3: 	CJNE R7,#03H,RET0
	MOV 41H,#25H	
	MOV 42H,#00H
RET0: POP ACC
	POP PSW
	RETI
    

END