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公司名称：深圳市z6尊龙官网光电有限公司
厂址：中国.广东省.深圳市宝安西乡臣田工业区
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胡先生 手机：13823360976
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电话传真：86-0755-89715671
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Email:bly@tuanm9.com
公司网址：https://www.tuanm9.com/
时钟,秒表,流水灯的单片机汇编程序
//HJSMSY-V1.0单片机开发板测试程序
//———————————————
// <<电脑钟>>
//———————————————
//=======主函数==================================
ORG 0000H
LJMP MAIN
ORG 000BH
LJMP T00
// ORG 001BH
// LJMP T11
ORG 0030H
//=======程序初始化=============================
MAIN:
MOV TMOD,#11H
MOV TH0,#3CH
MOV TL0,#0B0H
MOV TH1,#0F0H
MOV TL1,#0B0H
SETB EA
SETB ET0
// SETB ET1
SETB TR0
// SETB TR1
CLR P3.4
MOV R7,#00H ;秒值
MOV 30H,#00H ;秒个位值
MOV 31H,#00H ;秒十位值
MOV 32H,#00H ;分个位
MOV 33H,#00H ;分十位
MOV 34H,#00H ;时个位
MOV 35H,#00H ;时十位
MOV 44H,#00H ;秒表毫秒十位
MOV 45H,#00H ;秒表秒毫秒百位
MOV 46H,#00H ;秒表秒个位
MOV 47H,#00H ;秒表秒十位
MOV 48H,#00H ;秒表分个位
MOV 49H,#00H ;秒表分十位
MOV P2,#0F0H ;P2口按键初始化
MOV 40H,#01H ;数码管休眠值 /流水灯/秒表开关数
MOV 41H,#08H ;流水灯循环值
MOV 42H,#00H ;秒表暂停
// ACALL T11
//———————————————–
MAIN1:
MOV P0,#0FFH
MOV P1,#0FFH
MOV R0,40H
CJNE R0,#01H,ACL1
ACALL MAIN2 ;时钟显示
ACL1:CJNE R0,#02H,ACL2
ACALL MAIN3 ;秒表
ACL2:CJNE R0,#03H,ACL3
ACALL LED ;流水灯
ACL3:ACALL KEY ;按键扫描
// ACALL BAO ;定时报警
LJMP MAIN1
//=======报警子程序============================
BAO:MOV R4,33H
CJNE R4,#03H,YY1
CLR P3.2
ACALL KEY
LJMP YY2
YY1:CJNE R4,#05H,YY2
SETB P3.2
ACALL KEY
YY2:RET
//======时钟扫描子程序=======================
MAIN2:
MOV A,30H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.0
ACALL DELAY
MOV A,31H
MOV DPTR,#TAB
MOVC A,@A+ DPTR
MOV P0,A
CLR P1.1
SETB P1.0
ACALL DELAY
MOV A,32H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.2
SETB P1.1
ACALL DELAY
MOV A,33H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.3
SETB P1.2
ACALL DELAY
MOV A,34H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.4
SETB P1.3
ACALL DELAY
MOV A,35H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.5
SETB P1.4
ACALL DELAY
MOV P0,#7FH
MOV P1,#0EBH
ACALL DELAY
MOV P1,#0FFH
RET
//========秒表扫描子程序=========================
MAIN3:
MOV A,44H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.0
ACALL DELAY
MOV A,45H
MOV DPTR,#TAB
MOVC A,@A+ DPTR
MOV P0,A
CLR P1.1
SETB P1.0
ACALL DELAY
MOV A,46H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.2
SETB P1.1
ACALL DELAY
MOV A,47H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.3
SETB P1.2
ACALL DELAY
MOV A,48H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.4
SETB P1.3
ACALL DELAY
MOV A,49H
MOV DPTR,#TAB
MOVC A,@A+DPTR
MOV P0,A
CLR P1.5
SETB P1.4
ACALL DELAY
MOV P0,#7FH
MOV P1,#0EBH
ACALL DELAY
MOV P1,#0FFH
RET
//=======定时器T0中断服务========================
T00:MOV TH0,#0D8H
MOV TL0,#0F0H
INC R7
CJNE R7,#64H,AA
MOV R7,#00H
//——-时钟跑值——————————–
TK1:INC 30H ;每秒钟秒个位增一
MOV R6,30H
CJNE R6,#0AH,AA
MOV 30H,#00H
TK2:INC 31H
MOV R6,31H
CJNE R6,#06H,AA
MOV 31H,#00H
TK3:INC 32H
MOV R6,32H
CJNE R6,#0AH,AA
MOV 32H,#00H
TK4:INC 33H
MOV R6,33H
CJNE R6,#06H,AA
MOV 33H,#00H
TK5:INC 34H
MOV R5,34H
MOV R6,35H
CJNE R5,#04H,TK6
CJNE R6,#02H,TK6
MOV 34H,#00H
MOV 35H,#00H
TK6:CJNE R5,#0AH,AA
MOV 34H,#00H
INC 35H
//——-秒表跑值———————-
AA:
MOV R5,42H
CJNE R5,#01H,TK7
INC 44H
TK7:MOV R5,44H
CJNE R5,#0AH,AA1
MOV 44H,#00H
INC 45H
MOV R5,45H
CJNE R5,#0AH,AA1
MOV 45H,#00H
INC 46H
MOV R5,46H
CJNE R5,#0AH,AA1
MOV 46H,#00H
INC 47H
MOV R5,47H
CJNE R5,#06H,AA1
MOV 47H,#00H
INC 48H
MOV R5,48H
CJNE R5,#0AH,AA1
MOV 48H,#00H
INC 49H
MOV R5,49H
CJNE R5,#06H,AA1
MOV 49H,#00H
AA1:RETI
//====定时器T1中断服务子程序====================
//T11:MOV TH1,#0F0H
// MOV TL1,#0B0H
// RETI
//******定时时间调整子程序*************************//
TBAO:
MOV 50H,#00H
MOV 51H,#00H
MOV 52H,#00H
MOV 53H,#00H
MOV 54H,#00H
MOV 55H,#00H
MOV R3,50H
DJNZ 30H,RET1
RET1: RET
//======键盘扫描子程序==========================
KEY:MOV P2,#0F0H
MOV R3,P2
CJNE R3,#0F0H,KE0
LJMP KK13
KE0:CJNE R3,#0E0H,KE1 ;P2.4行
MOV P2,#0EFH
JB P2.3,KK1 //用作调定时时间 ;K13 秒个位增一
ACALL DELAY1
ACALL TK1
KK1:JB P2.2,KK2 ;K14 秒十增一
ACALL DELAY1
ACALL TK2
KK2:JB P2.1,KK3 ;K15 分个位增一
ACALL DELAY1
ACALL TK3
KK3:JB P2.0,KE1 ;K16 分十位增一
ACALL DELAY1
ACALL TK4
KE1:MOV P2,#0DFH ;P2.5行
JB P2.3,KK4 ;K9 时个位增一
ACALL DELAY1
ACALL TK5
KK4:JB P2.2,KK5 ;K10 时十位增一
ACALL DELAY1
INC 35H
MOV R3,35H
CJNE R3,#03H,HH0
MOV 35H,#00H
LJMP KK5
HH0:CJNE R3,#02H,HH1
LJMP KK5
HH1:CJNE R3,#01H,HH2
LJMP KK5
HH2:MOV 35H,#00H
KK5:JB P2.1,KK6
ACALL DELAY1 ;K11 开/关蜂鸣器
CPL P3.2
KK6:JB P2.0,KE2 ;K12 秒表暂停
MOV 42H,#00H
KE2:MOV P2,#0BFH ;P.6行
JB P2.3,KK7 ;K5 时钟暂停/取消暂停
ACALL DELAY1
CPL ET0
KK7:JB P2.2,KK8 ;K6 显示/休眠/流水灯
ACALL DELAY2
INC 40H
MOV R3,40H
CJNE R3,#04H,KK8
MOV 40H,#01H
KK8:JB P2.1,KK9
// ACALL DELAY3 ;K7 秒表清0
MOV 44H,#00H
MOV 45H,#00H
MOV 46H,#00H
MOV 47H,#00H
MOV 48H,#00H
MOV 49H,#00H
KK9:JB P2.0,KE3 ;K8 秒表开始跑
MOV 42H,#01H
KE3:MOV P2,#7FH ;P2.7行
JB P2.3,KK10 ;K1 秒十位减一
ACALL DELAY1
MOV R3,31H
CJNE R3,#00H,JA1
LJMP KK10
JA1:DEC 31H
KK10:JB P2.2,KK11 ;K2 分个位减一
ACALL DELAY1
MOV R3,32H
CJNE R3,#00H,JA2
LJMP KK11
JA2: DEC 32H
KK11:JB P2.1,KK12 ;K3 分十位减一
ACALL DELAY1
MOV R3,33H
CJNE R3,#00H,JA3
LJMP KK12
JA3:DEC 33H
KK12:JB P2.0,KK13 ;K4 时个位减一
ACALL DELAY1
MOV R3,34H
CJNE R3,#00H,JA4
LJMP KK13
JA4:DEC 34H
KK13:RET
//=====流水灯子程序===========================
LED: MOV A,#0feH
MOV 41H,#08H
MOV P0,#0FFH
LED1:
MOV P1,A
MOV R3,#100
D0: ACALL DELAY
DJNZ R3,D0
MOV R3,41H
DJNZ R3,AAA
LJMP BB
AAA:RL A
MOV 41H,R3
ACALL KEY
LJMP LED1
BB:
MOV 41H,#07H
CC: MOV P1,A
MOV R3,#30
D1: ACALL DELAY
DJNZ R3,D1
MOV R3,41H
DJNZ R3,DD
LJMP LED0
DD:RR A
MOV 41H,R3
ACALL KEY
LJMP CC
LED0:RET
//=====延时子程序==============================
DELAY:MOV R1,#250
DEL1:NOP
NOP
NOP
NOP
DJNZ R1,DEL1
RET
//====调用时钟显示作延时========================
DELAY1:MOV R2,#20
DELA3: ACALL MAIN2
DJNZ R2,DELA3
RET
//====调用秒表显示作延时========================
DELAY3:MOV R2,#20
DELA5:ACALL MAIN3
DJNZ R2,DELA5
RET
//====调用延时子程序作延时======================
DELAY2:MOV R2,#100
DELA4:ACALL DELAY
DJNZ R2,DELA4
RET
//======共阳数码管段码表=================================
TAB:DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,87H
END