基于单片机的数字电子钟设计与制作2pdf.docx

基于单片机的数字电子钟设计与制作2pdf.docx

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基于单片机的数字电子钟设计与制作2pdf

基于单片机的数字电子钟设计与制作2pdf

ORG0

AJMPMAIN

ORG000BH

AJMPTIME

TIME:

CLRTR0

MOVTH0,#3CH

MOVTL0,#0B8H

SETBTR0

MOV09H,R0

INC16H

MOVR0,16H

MOVA,@R0

CLRC

CJNEA,21H,TMM

INC16H

MOVR0,16H

INC16H

MOVA,@R0

CLRC

CJNEA,22H,TTM

MOV19H,#45H;19H作为时间到标志

AJMPTTM

TMM:

INC16H

INC16H

TTM:

MOVR0,09H

DJNZ18H,OUT0

MOV18H,#20

MOV16H,#23H

MOVA,R2;控制闪烁

CLRC

SUBBA,#5

JZTM

MOVA,1BH

CPLA

MOV1BH,A

ANLA,R4

MOV1AH,A

TM:

MOVA,17H

CLRC

SUBBA,#23H

JZOUT0

SEC:

INC20H

MOVA,20H

CLRC

CJNEA,#60,OUT0

MOV20H,#0

MIN:

INC21H

MOV19H,#0;一分钟到关闹铃

CLRP1.7

MOVA,21H

CLRC

CJNEA,#60,OUT0

MOV21H,#0

HOUR:

INC22H

MOVA,22H

CLRC

CJNEA,#24,OUT0

MOV22H,#0

OUT0:

RETI

DISP:

MOVR0,#10H;10H作为显存首址

MOVR7,#7FH

MOVR6,#7

TO:

MOVA,@R0

MOVCA,@A+DPTR

ORLA,#80H

PUSHACC

MOVA,R7

RLA

MOVR7,A

ORLA,1AH;1AH控制闪烁

MOVP0,#0

MOVP2,A;P2为位选

POPACC

MOVP0,A;P0作为段选

INCR0

DJNZR6,TO

RET

CHAI:

MOVA,@R1

MOVB,#10

DIVAB

MOV10H,B

MOV11H,A

INCR1

MOVA,@R1

MOVB,#10

DIVAB

MOV12H,B

MOV13H,A

INCR1

MOVA,@R1

MOVB,#10

DIVAB

MOV14H,B

MOV15H,A

DECR1

DECR1

RET

TSHI:

MOVA,R2;R2作为调时与定时的标志

CLRC

SUBBA,#0F0H

JZGO2

MOVR2,#0FH

MOVA,R4

RRA

RRA

MOVR4,A

CLRC

CJNEA,#00110000B,GO

MOVR3,#22H

GO:

CLRC

CJNEA,#00001100B,GO1

MOVR3,#21H

GO1:

CLRC

CJNEA,#00000011B,GO3

MOVR3,#20H

GO3:

CLRC

CJNEA,#11000000B,GO2

MOVA,17H

CLRC

CJNEA,#23H,GO4

CLRTR0

MOVTH0,#3CH

MOVTL0,#0B8H

SETBTR0

MOV17H,#0

GO4:

MOVR2,#0

GO2:

RET

DSHI:

MOVA,R2;R2作为调时与定时的标志

CLRC

SUBBA,#0FH

JZDSOUT1

MOVR2,#0F0H

MOVA,R4

RLA

RLA

MOVR4,A

CLRC

CJNEA,#00001100B,DSOUT2

INCR1

MOVA,R1

MOVR3,A

DECR1

DSOUT2:

MOVA,R4

CLRC

CJNEA,#00110000B,DSOUT3

INCR1

INCR1

MOVA,R1

MOVR3,A

DECR1

DECR1

DSOUT3:

MOVA,R4

CLRC

CJNEA,#00000011B,DSOUT4

INCR1

INCR1

INCR1

DSOUT4:

MOVA,R4

CLRC

CJNEA,#11000000B,DSOUT1

MOVR4,#00000011B

MOVR3,#0FH

INCR1

INCR1

INCR1

DSOUT1:

RET

XSHI:

MOVA,R2

CLRC

SUBBA,#5

JZXSOUT3

MOVA,R3

MOVR0,A

INC@R0

MOVA,R4

CLRC

CJNEA,#00000011B,XSOUT

MOVA,R2;R2作为调时与定时的标志

CLRC

CJNEA,#0FH,XSOUT4

MOV@R0,#0

MOV17H,#23H

XSOUT4:

MOVA,R2;R2作为调时与定时的标志

CLRC

CJNEA,#0F0H,XSOUT

MOV17H,#0

MOVR4,#11000000B

MOVR1,#20H

MOVR2,#5

XSOUT:

MOVA,R4

CLRC

CJNEA,#00110000B,XSOUT2

MOVA,@R0

CLRC

SUBBA,#24

JCXSOUT1

MOV@R0,#0

XSOUT2:

MOVA,R4

CLRC

CJNEA,#00001100B,XSOUT1

MOVA,@R0

CLRC

SUBBA,#60

JCXSOUT1

MOV@R0,#0

AJMPXSOUT1

XSOUT3:

MOVA,R5

CPLA

MOVR5,A

CPLP1.0;P1.0闹铃开关指示灯

XSOUT1:

RET

MAIN:

MOV10H,#0

MOV11H,#0

MOV12H,#0

MOV13H,#0

MOV14H,#0

MOV15H,#0

MOV20H,#0

MOV21H,#0

MOV22H,#0

MOV23H,#1

MOV26H,#2

MOV29H,#3

MOV2CH,#4

MOV2FH,#5

MOV32H,#6

MOV35H,#7

MOV38H,#8

MOV3BH,#9

MOV3EH,#10

MOV41H,#11

MOV44H,#12

MOV47H,#13

MOV4AH,#14

MOV4DH,#15

MOV50H,#16

MOV53H,#17

MOV56H,#18

MOV59H,#19

MOV5CH,#20

MOV16H,#23

CLRP1.2

CLRP1.4

CLRP1.6

CLRP1.7

MOVSP,#60H

MOVDPTR,#TAB

MOVR1,#20H;R1作为拆分地址首

MOVR4,#11000000B

MOVR2,#5;R2作为定时,调时选择

MOVR5,#00111100B;R5作为闹铃开关

MOV1BH,#0

MOV18H,#20

MOVP0,#0

MOVP2,#0

MOVIE,#87H

SETBIT0

SETBIT1

MOVIP,#2;设T0优先级最高

MOVTMOD,#1;定时器模式1

MOVTH0,#3CH

MOVTL0,#0B8H

SETBTR0

CLREX0

CLREX1

START:

ACALLCHAI

ACALLDISP

RING:

MOVA,R5

CLRC

CJNEA,#00111100B,SS0

MOVA,19H

CLRC

CJNEA,#45H,SS0

CPLP1.7

SS0:

JNBP1.6,SS1

ACALLDEL

JNBP1.6,SS1

ACALLTSHI

CLRP1.6

SS1:

JNBP1.4,SS2

ACALLDEL

JNBP1.4,SS2

ACALLXSHI

CLRP1.4

SS2:

JNBP1.2,SS3

ACALLDEL

JNBP1.2,SS3

ACALLDSHI

CLRP1.2

SS3:

AJMPSTART

DEL:

DJNZ1DH,$

DJNZ1CH,DEL

RET

TAB:

DB3FH,6H,5BH,4FH,66H,6DH,7DH,

7H,7FH,6FH

END