DB 32H,29H,32H,31H,32H,31H,32H,32H,31H
DB 00H,00H,00H,00H,00H,00H,32H,31H,32H
没有秒表功能。你得看端口定义，或者是看程序，程序不难，如果想实现你得功能改一改就可以。仅供产考
=====================================================================
WEI EQU P2 位码
WEICON EQU 08H 位码缓存
DUANEQU P0 段码
GESHU EQU 09H 显示个数
Y0 EQU 01H 延时
Y1 EQU 11H
M0 EQU 12H 计数
M1 EQU 13H
M2 EQU 14H
M3 EQU 15H
MOSHI0 EQU 17H 模式0
MOSHI1 EQU 18H 模式1
JS EQU 19H 记时
JS2 EQU 1AH
JS4 EQU 16H
TINGJI EQU 1CH 停机5分钟
TIAOL EQU 1DH 调时差值
TIAOCA EQU 1EH
TIAOCB EQU 1FH
TIAOS EQU 28H
MUOSHI0 EQU 29H
ST0 EQU 2AH
ST1 EQU 2BH
ST2 EQU 2CH
DIS EQU 20H 显示缓存头地址
SECQEQU 40H 秒
MINQEQU 41H 分
HOURQ EQU 42H 小时
DAYQEQU 43H 日
MONQEQU 44H 月
YEARQ EQU 45H 年
JIANBIT 2EH.0 键盘标志
JIANY BIT 2EH.1 键盘延时标志
JIANCA BIT 2EH.2
JIANCB BIT 2EH.3
TIAOD BIT 2EH.4
MO2 BIT 2EH.5
TS2 BIT 2EH.6
TIAOMAI BIT 2EH.7 调点的脉冲
TINGBIT 2FH.0 停机
=====================================================================
ORG 0000H
SJMPSTART
ORG 0003H
AJMPBRT0
ORG 000BH
AJMPBRT0
ORG 0030H
START: MOV R0,#02H
MOV R1,#100D
STARTM: MOV @R0,#00H
INC R0
DJNZR1,STARTM
MOV R0,#00H
MOV SP,#60H
MOV DAYQ,#01H
MOV MONQ,#01H
MOV YEARQ,#01H
MOV WEICON,#11111110B
MOV GESHU,#08H
MOV IE,#82H
SETBEX0
SETBIT0
MOV M0,#2D
MOV M1,#25D
MOV M2,#2D
MOV M3,#4D
MOV ST0,#100D
MOV ST1,#20D
MOV ST2,#02D
MOV JS4,#02H
MOV TINGJI,#05H
MOV 3EH,#25H
---------------------------------------------------------------------
MAIN: ACALL LED0好
ACALL ZHUAN
ACALL MUOSHI
ACALL JIANP
ACALL STARTJ
DJNZGESHU,MAIN
MOV GESHU,#08H
SJMPMAIN
---------------------------------------------------------------------
STARTJ: JNB TING,VVV
DJNZST0,VVV
MOV ST0,#100D
DJNZST1,VVV
MOV ST1,#40D
DJNZST2,VVV
MOV ST2,#02D
CLR TING
MOV MUOSHI0,#00H
MOV TIAOS,#00000000B
VVV:RET
---------------------------------------------------------------------
MUOSHI: MOV A,MUOSHI0
CJNEA,#00H,Q0
MOV 20H,35H 时
MOV 21H,34H
MOV 22H,#0BH
MOV 23H,33H 分
MOV 24H,32H
MOV 25H,#0BH
MOV 26H,31H 秒
MOV 27H,30H
Q0: CJNEA,#01H,Q1
MOV 20H,3BH 时
MOV 21H,3AH
MOV 22H,#0CH
MOV 23H,39H 分
MOV 24H,38H
MOV 25H,#0CH
MOV 26H,37H 秒
MOV 27H,36H
Q1: RET
---------------------------------------------------------------------
=====================================================================
数码管的显示程序，
=====================================================================
LED0: MOV WEI,#11111111B 关端口
MOV A,#1FH 传送段码数据
ADD A,GESHU
MOV R0,A
MOV A,@R0
ACALL LED1
MOV A,WEICON传送位码数据
RR A
MOV WEICON,A
JNB TIAOD,PLL
ORL A,TIAOS
PLL: MOV WEI,A
ACALL DELAY 延时
RET
---------------------------------------------------------------------
LED1: ADD A,#03H
MOVCA,@A+PC
MOV DUAN,A
RET
DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,00H,40H,20H
---------------------------------------------------------------------
DELAY: MOV Y0,#050D
DEL0: MOV Y1,#020D
DEL1: DJNZY1,DEL1
DJNZY0,DEL0
RET
---------------------------------------------------------------------
JIANP: JB JIAN,JIAN4
JB JIANY,JIAN2
SETBP1.0
JB P1.0,JIAN0
SETBJIAN
SETBJIANY
SJMPJIAN4
JIAN0: CLR JIANCA
SETBP1.1
JB P1.1,JIAN1
SETBJIAN
SETBJIANY
SJMPJIAN4
JIAN1: CLR JIANCB
JIAN2: CLR JIANY
SETBP1.0
JB P1.0,JIAN3
JB JIANCA,JIAN3
SETBJIANCA
ACALL TIAOA
CLR JIANY
JIAN3: SETBP1.1
JB P1.1,JIAN4
JB JIANCB,JIAN4
SETBJIANCB
ACALL TIAOB
SETBTIAOMAI
CLR JIANY
JIAN4: RET
--------------------------------------------------------------------
TIAOA: JB MO2,RP5
INC TIAOCA
MOV JS,#00H
MOV JS2,#00H
MOV ST0,#100D
MOV ST1,#40D
MOV ST2,#02D
MOV A,TIAOCA
CJNEA,#01H,RP0
MOV TIAOS,#00000011B
SETBTS2
RP0: CJNEA,#02H,RP1
MOV TIAOS,#00011000B
SETBTS2
RP1: CJNEA,#03H,RP2
MOV TIAOS,#00000011B
SETBTS2
MOV MUOSHI0,#01H
RP2: CJNEA,#04H,RP3
MOV TIAOS,#00011000B
SETBTS2
RP3: CJNEA,#05H,RP4
MOV TIAOS,#11000000B
SETBTS2
RP4: CJNEA,#06H,RP5
MOV TIAOCA,#00H
MOV TIAOS,#00000000B
MOV MUOSHI0,#00H
RP5:RET
---------------------------------------------------------------------
TIAOB: MOV A,TIAOCA
CJNEA,#01H,RG0
ACALL HOUR
MOV JS2,#00H 从新规定5S
SJMPQW2
RG0: CJNEA,#02H,RG1
ACALL MINUTE
SETBTING
MOV SECQ,#00H
MOV JS2,#00H
SJMPQW2
RG1: CJNEA,#03H,RG2
ACALL YEAR
MOV JS2,#00H
MOV MUOSHI0,#01H
SJMPQW2
RG2: CJNEA,#04H,RG3
ACALL MONTH
MOV JS2,#00H
SJMPQW2
RG3: CJNEA,#05H,RG4
ACALL DAY
MOV JS2,#00H
SJMPQW2
RG4:CLR TING
INC MUOSHI0
MOV A,MUOSHI0
CJNEA,#01H,QW0
SETBMO2延时5S
SJMPQW2
QW0:CJNEA,#02H,QW2
MOV MUOSHI0,#00H
QW2:MOV ST0,#100D
MOV ST1,#40D
MOV ST2,#02D
RET
---------------------------------------------------------------------
BRT0: PUSHPSW
PUSHACC
JNB JIAN,BRT1
DJNZ3EH,BRT2
CLR JIAN
BRT1: MOV 3EH,#2D
BRT2: DJNZM0,RE
MOV M0,#4D
JNB TIAOMAI,FSF
DJNZJS4,FAF
MOV JS4,#02H
CLR TIAOMAI
MOV TIAOL,#00H
CLR JIAN
CLR JIANY
CLR JIANCB
FAF:CLR TIAOD
DJNZM3,RE
MOV M3,#04D
SJMPFDF
FSF:DJNZM3,RE
MOV M3,#04D
CPL TIAOD
FDF:DJNZM2,RE
MOV M2,#2D
JB TING,RE
ACALL SECOND
MOV A,SECQ
CJNEA,#00H,RE
ACALL MINUTE
MOV A,MINQ
CJNEA,#00H,RE
ACALL HOUR
MOV A,HOURQ
CJNEA,#00H,RE
ACALL DAY
CJNEA,#00H,RE
MOV DAYQ,#00H
ACALL MONTH
ACALL YEAR
RE: POP ACC
POP PSW
RETI
---------------------------------------------------------------------
ZHUAN: MOV R1,#30H秒30H，31H
MOV A,SECQ
ACALL ZHUAN0 分32H，33H
MOV A,MINQ
ACALL ZHUAN0 时34H，35H
MOV A,HOURQ
ACALL ZHUAN0 日36H，37H
MOV A,DAYQ
ACALL ZHUAN0 月38H，39H
MOV A,MONQ
ACALL ZHUAN0 年3AH，3BH
MOV A,YEARQ
ACALL ZHUAN0
RET
---------------------------------------------------------------------
ZHUAN0: XCHDA,@R1
SWAPA
ANL A,#0FH
INC R1
MOV @R1,A
INC R1
RET
---------------------------------------------------------------------
SECOND: JNB MO2,FFF
INC JS
MOV A,JS
CJNEA,#05D,FFF
MOV JS,#00H
MOV MUOSHI0,#00H
CLR MO2
FFF:JNB TS2,GGG
INC JS2
MOV A,JS2
CJNEA,#30D,GGG
MOV JS2,#00H
MOV MUOSHI0,#00H
MOV TIAOS,#00000000B
MOV TIAOCA,#00H
CLR TS2
GGG:INC SECQ
CLR AC
CLR C
MOV A,SECQ
DA A
MOV SECQ,A
CJNEA,#60H,RE0
MOV SECQ,#00H
RE0:RET
---------------------------------------------------------------------
MINUTE: INC TINGJI
MOV A,TINGJI
CJNEA,#05H,TTT
MOV TINGJI,#00H
CLR TING
TTT:INC MINQ
CLR AC
CLR C
MOV A,MINQ
DA A
MOV MINQ,A
CJNEA,#60H,RE1
MOV MINQ,#00H
RE1:RET
---------------------------------------------------------------------
HOUR: INC HOURQ
CLR AC
CLR C
MOV A,HOURQ
DA A
MOV HOURQ,A
CJNEA,#24H,RE2
MOV HOURQ,#00H
RE2:RET
---------------------------------------------------------------------
DAY:MOV A,MONQ
ADD A,#17D
MOVCA,@A+PC
MOV R2,A
INC DAYQ
CLR AC
CLR C
MOV A,DAYQ
DA A
MOV DAYQ,A
CJNEA,02H,RE3
MOV DAYQ,#01H
RE3:RET
DB 32H,29H,32H,31H,32H,31H,32H,32H,31H
DB 00H,00H,00H,00H,00H,00H,32H,31H,32H
---------------------------------------------------------------------
MONTH: INC MONQ
CLR AC
CLR C
MOV A,MONQ
DA A
MOV MONQ,A
CJNEA,#13H,RE4
MOV MONQ,#01H
RE4:RET
---------------------------------------------------------------------
YEAR: INC YEARQ
CLR AC
CLR C
MOV A,YEARQ
DA A
MOV YEARQ,A
RE5:RET
---------------------------------------------------------------------
END
你看到的程序应该是用在STC单片机上的，因为STC单片机的P0，P1，P2，P3口可以设置成四种工作模式，即开机处于的准双向口，推挽输出，高阻输入，开漏输出这四种。如果需要设置成其余的3种，就要通顷悉伍过对各自配陆碧置寄存器来设置的，你的P0M0，雀或P0M1就对P0进行设置的，同样有P1M0，P1M1是对P1口进行设置的，以此类推。欢迎分享，转载请注明来源：内存溢出
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