电子课程设计电子钟程序代码Word下载.docx
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- 上传时间:2022-11-24
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电子课程设计电子钟程序代码Word下载.docx
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MOV7BH,#00H
MOV7AH,#00H
MOV79H,#00H
MOVR0,#59H
MOVA,#7EH;
01111110B
MOVX@R0,A
LCALLLCK0
LCALLPTDS0
MOVR7,#100
movIE,#82h;
EA=1,ET0=1
setbTR0;
定时器0计数
用拨动开关进行调时*****************************
MLoop:
JNBK3,LP0
LCALLDEL1
JNBK3,MLoop
LP5:
JNBK1,LP1
JNBK1,MLoop
LP2:
JBK1,LP2
LCALLDEL1
INCMinute
MOVA,Minute
CJNEA,#3ch,LP11
LP11:
JCLP1
MOVMinute,#00H
LP1:
ACALLDISplay
JNBK2,MLoop
JNBK2,LP1
LP6:
JBK2,LP6
MOVA,#00H
MOVDPTR,#0FF20H
MOVX@DPTR,A
INCHOUR
MOVA,HOUR
CJNEA,#18h,LP81
LP81:
JCLP0
MOVHOUR,#00H
LP8:
MOVA,#0FFH
MOVX@DPTR,A
LJMPMLoop
LP0:
ACALLDISplay
LJMPMLoop
中断服务子程序*************************************
IN0:
pushPSW
pushACC
MOVTL0,#12H
CLRTR0
DJNZR7,Exit1
incSecond
mova,Second
cjnea,#60,Exit1
incMinute
mova,Minute
movMinute,#0
incHour
mova,Hour
cjnea,#24,Exit1
Exit1:
SETBTR0
popACC
popPSW
reti
字形码*********************************************
LEDBufequ60h;
显示缓冲
LEDMAP:
;
八段管显示码
db0c0h,0f9h,0a4h,0b0h,99h,92h,82h
db0f8h,80h,90h
延时200us子程序************************************
del1:
movr5,#10
del:
movr6,#10
del6:
djnzr6,del6
djnzr5,del
ret
六段数码管显示子程序*******************************
DisplayLED:
movr3,#0feh
movr0,#LEDBuf+1;
r0为显示缓冲区
loop:
movdptr,#0ff20h;
a口
mova,r3
movx@dptr,a
mova,@r0
movdptr,#0ff21h;
b口
movx@dptr,a
acalldel1
incr0
jnbacc.5,ld1
rla
movr3,a
sjmploop
ld1:
查表子程序*****************************************
ToLED:
movdptr,#LEDMap;
显示程序
movca,@a+dptr
秒、分、时送以61H为首的显缓单元*********************
DISplay:
mova,Second
movb,#10
divab
callToLED
movLEDBuf+2,a
mova,b
movLEDBuf+1,a
movLEDBuf+4,a
movLEDBuf+3,a
movLEDBuf+6,a
movLEDBuf+5,a
callDisplayLED
RET
X3:
MOVR4,A
MOVXA,@R0
MOVR1,A
MOVA,R4
MOV@R1,A
CLRA
POPDPH
POPDPL
MOVCA,@A+DPTR
INCDPTR
CJNEA,01H,X30
CLRA
X31:
PUSHDPL
PUSHDPH
X30:
DECR1
MOVA,R1
SJMPX31
X2:
MOVR6,#50H
X0:
ACALLXLE
JNBACC.5,XX0
DJNZR6,X0
MOVR6,#20H
MOVR0,A
MOVA,@R0
MOVR7,A
MOVA,#10H
MOV@R0,A
X1:
JNBACC.5,XX1
DJNZR6,X1
MOVA,R7
SJMPX2
XX1:
MOVR6,A
MOVA,R6
XX0:
XLE:
ACALLDIS
ACALLKEY
MOVR1,#48H
MOVXA,@R1
MOVR2,A
INCR1
MOVR3,A
XRLA,R3
MOVR3,04H
MOVR4,02H
JZX10
MOVR2,#88H
MOVR4,#88H
X10:
DECR4
XRLA,#82H
JZX11
XRLA,#0EH
ORLA,R4
JZX12
MOVR4,#20H
DECR2
SJMPX13
X12:
MOVR4,#0FH
x11:
MOVR2,04H
MOVR4,03H
X13:
MOVA,R2
MOVX@R1,A
MOVA,R3
LS3:
DB07H,04H,08H,05H,09H,06H,0AH
DB0BH,01H,00H,02H,0FH,03H,0EH
DB0CH,0DH
DIS:
SETBRS1
MOVR0,#7EH
MOVR2,#20H
MOVR3,#00H
MOVDPTR,#LS0
LS2:
MOVR1,#21H
CPLA
DECR0
LS1:
DJNZR3,LS1
CLRC
RRCA
JNZLS2
CLRRS1
LS0:
DB0C0H,0F9H,0A4H,0B0H,99H,92H
DB82H,0F8H,80H,90H,88H,83H,0C6H
DB0A1H,86H,8EH,0FFH,0CH,89H,7FH,0BFH
KEY:
MOVR2,#0FEH
MOVR3,#08H
MOVR0,#00H
L1:
MOVR1,#20H
RLA
MOVR1,#22H
ANLA,#0FH
JNZL0
INCR0
DJNZR3,L1
JBACC.4,XP33
MOVA,#20H
SJMPXP3
XP33:
XP3:
L0:
JBACC.0,XP0
SJMPLPP
XP0:
JBACC.1,XP1
MOVA,#08H
XP1:
JBACC.2,XP2
XP2:
JBACC.3,XP33
MOVA,#18H
LPP:
ADDA,R0
CJNEA,#10H,LX0
LX0:
JNCXP35
MOVDPTR,#LS3
XP35:
LCK0:
LCALLX2
JNCLCK1
LCALLX3
MOVR1,#7EH
SJMPLCK0
LCK1:
CJNEA,#16H,LCK0
MOVA,7AH
SWAPA
ORLA,79H
MOV22H,A
CJNEA,#60H,LCK2
LCK2:
JNCEXIT
MOVA,7CH
ORLA,7BH
MOV21H,A
CJNEA,#60H,CLK3
CLK3:
MOVA,7EH
ORLA,7DH
MOV20H,A
CJNEA,#24H,CLK4
CLK4:
EXIT:
AJMPLCK0
PTDS0:
MOVR0,#79H
MOVA,22H
ACALLPTDS
MOVA,21H
MOVA,20H
PTDS:
LCALLPTDS1
PTDS1:
END
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