INC A
CJNE A,#60D,INCH2
MOV A,#0
INCH2: MOV 6FH,A
ACALL HEX_BCD
MOV 61H,A
MOV R1,#82H
MOV R0,61H
ACALL SETONE ;
RET
;----------------------------------DEC----------------------
DEC2: JB 0EH,DECH
JB 0FH,DECM
JB 10H,DEC_H
JB 11H,DEC_M
RET
DECH: MOV 6FH,62H
ACALL BCD_HEX
DEC A
CJNE A,#0FFH,DECH1
MOV A,#23
DECH1: MOV 6FH,A
ACALL HEX_BCD
MOV 62H,A
MOV R1,#84H
MOV R0,62H
ACALL SETONE
RET
DECM: MOV 6FH,61H
ACALL BCD_HEX
DEC A
CJNE A,#0FFH,DECM1
MOV A,#59
DECM1: MOV 6FH,A
ACALL HEX_BCD
MOV 61H,A
MOV R1,#82H
MOV R0,61H
ACALL SETONE
RET
DEC_H: DEC 6BH
MOV A,6BH
CJNE A,#0FFH,DECH3
MOV 6BH,#23D
DECH3: MOV R1,#0C2H
MOV R0,6BH
ACALL SETONE
RET
DEC_M: DEC 6AH
MOV A,6AH
CJNE A,#0FFH,DECH4
MOV 6AH,#59D
DECH4: MOV R1,#0C0H
MOV R0,6AH
ACALL SETONE
RET
;--------------------------------RIGHT----------------------
RIGHT: JB 0EH,RIGHT1
JB 0FH,RIGHT2
JB 10H,RIGHT3
JB 11H,RIGHT4
RET ;右移
RIGHT1: CLR 0EH
SETB 0FH
RET
RIGHT2: CLR 0FH
SETB 10H
RET
RIGHT3: CLR 10H
SETB 11H
RET
RIGHT4: CLR 11H
SETB 0EH
RET
;--------------------------------LEFT-----------------------
LEFT: JB 0EH,LEFT1
JB 0FH,LEFT2
JB 10H,LEFT3
JB 11H,LEFT4
RET ;左移
LEFT1: SETB 11H
CLR 0EH
RET
LEFT2: SETB 0EH
CLR 0FH
RET
LEFT3: SETB 0FH
CLR 10H
RET
LEFT4: SETB 10H
CLR 11H
RET
;------------------------------MUTE--------------
MUTE: setb k_ON
CPL 06H ;静音
CLR 08H
RET
;-----------------------------DISPLAY OFF--------
DIS_OFF:CLR ET1
CPL 05H
JNB 05H,REDORE
SETB ET1
REDORE: RET
;------------------------------------初始化1302
SET1302: CLR RST ;2002年1月1日12:00:00
CLR LED3CLK
MOV SECOND,#0
MOV 61H,#0
MOV 62H,#18 ;
MOV 63H,#1
MOV 64H,#1
MOV 65H,#1
MOV 66H,#2
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#00H
LCALL R_BIT
SETB LED3CLK
CLR RST
MOV R0,#SECOND
MOV R7,#7
MOV R1,#80H
SET1302A:CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
MOV A,@R0
LCALL R_BIT
INC R0
INC R1
INC R1
SETB LED3CLK
CLR RST
DJNZ R7,SET1302A
CLR RST
CLR LED3CLK
sETB LED3CLK
nop
CLR RST
nop
clr led3clk
SETB RST
MOV A,#90H
LCALL R_BIT
MOV A,#10100101B ;充电器设置
LCALL R_BIT
SETB LED3CLK
CLR RST
CLR LED3CLK
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#80H
LCALL R_BIT
SETB LED3CLK
CLR RST
RET
;----------------------读取一RAM ------
T_6061: CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
LCALL W_BIT
SETB LED3CLK
CLR RST
RET
;-----------------------------
R_1302: MOV R0,#SECOND
MOV R7,#7
MOV R1,#81H
R_1302A: CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
LCALL W_BIT
MOV @R0,A
INC R0
INC R1
INC R1
SETB LED3CLK
CLR RST
DJNZ R7,R_1302A
RET
;------------------R_BIT------------------
R_BIT: MOV R4,#8
R_BIT1: RRC A
MOV LED4IO,C
SETB LED3CLK
CLR LED3CLK
DJNZ R4,R_BIT1
RET
;-------------------W_BIT-----------------------
W_BIT: MOV R4,#8
W_BIT1: MOV C,LED4IO
RRC A
SETB LED3CLK
CLR LED3CLK
DJNZ R4,W_BIT1
RET
;--------------------------------------------------
BCD_HEX:
MOV A,6FH
ANL A,#0FH
MOV B,A
MOV A,6FH
MOV 6FH,B
SWAP A
ANL A,#0FH
MOV B,#0AH
MUL AB
ADD A,6FH
;MOV 6FH,A
RET
HEX_BCD:
MOV A,6FH
MOV B,#10
DIV AB
SWAP A
ADD A,B
;MOV 6FH,A
RET
;-----写一地址---R1 为地址，R0 为数据----------
SETONE: CLR LED3CLK
CLR RST
CLR LED3CLK
NOP
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#00H
LCALL R_BIT
SETB LED3CLK
CLR RST
CLR LED3CLK
NOP
CLR RST
CLR LED3CLK
SETB RST
MOV A,R1
LCALL R_BIT
MOV A,R0
LCALL R_BIT
NOP
SETB LED3CLK
CLR RST
NOP
NOP
CLR RST
CLR LED3CLK
SETB RST
MOV A,#8EH
LCALL R_BIT
MOV A,#80H
LCALL R_BIT
SETB LED3CLK
CLR RST
RET
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本文关键字：电子钟 51单片机，单片机-工控设备 - 51单片机
