汇编源程序：

ORG 0000H

LJMP MAIN

ORG 002DH

MAIN:MOV SP,#40H

MOV 34H,#0FFH

MOV P1,0FFH

M1:CPL P1.2

LCALL YS

JB P1.3,M1

LCALL YS

JB P1.3,M1

M2:JNB P1.3,M2

CLR P1.2

MOV R7,#04H

MOV R6,#10H

MOV 30H,#0A0H

M14: MOV 32H,#00H

M13: MOV 31H,#40H

MOV R1,#20H

MA:DJNZ 31H,M4

MOV 34H,#88H

LJMP M1

M4:LCALL QD

MOV A,30H

LCALL FA

JNB F0,M3

SJMP MA

M3:MOV A,32H

LCALL FA

JB F0,MA

LCALL QD

MOV A,30H

ADD A,#01H

LCALL FA

JB F0,MA

M7:LCALL DU

MOV @R1,A

CJNE R1,#2FH,M5

LCALL FYD

LCALL TZ

SJMP M6

M5:LCALL YD

INC R1

SJMP M7

M6:MOV 31H,#0FFh

MOV R1,#20H

M9:DJNZ 31H,M8

MOV 34H,#30H

LJMP M1

M8:LCALL QD

MOV A,30H

ADD A,#08h

LCALL FA

JB F0,M9

MOV A,32H

LCALL FA

JB F0,M9

M15: MOV A,@R1

LCALL FA

JB F0,M9

CJNE R1,#2FH,M10

LCALL TZ

MOV 34H,#0AH

LCALL YS

DJNZ R6,M11

DJNZ R7,M12

NOP

NOP

NOP

LJMP MAIN

M10: INC R1

SJMP M15

M11: MOV A,32H

ADD A,#10H

MOV 32H,A

LJMP M13

M12: MOV A,30H

ADD A,#02H

MOV 30H,A

LJMP M14

ORG 0200H

YS:MOV R5,34H

LOOP1:MOV R4,#0FFH

LOOP2:DJNZ R4,LOOP2

DJNZ R5,LOOP1

RET

ORG 0100H

QD: SETB P1.7

SETB P1.6

NOP

NOP

CLR P1.7

NOP

NOP

CLR P1.6

RET

ORG0140H

FA: MOV R0,#08H

FA2: RLC A

JCFA1

SJMP FA3

FA4:DJNZ R0,FA2

SJMP FA5

FA1:SETB P1.7

SETB P1.6

NOP

NOP

CLR P1.6

CLR P1.7

SJMP FA4

FA3:CLR P1.7

SETB P1.6

NOP

NOP

CLR P1.6

SJMP FA4

FA5:SETB P1.7

SETB P1.6

CLR F0

MOV A,P1

JNB ACC.7,FA6

SETB F0

FA6:CLR P1.6

NOP

RET

DU:MOV R0,#08H

DU2:SETB P1.7

SETB P1.6

MOV A,P1

JNB ACC.7,DU0

SJMP DU1

DU3:DJNZ R0,DU2

RET

DU0:CLR C

MOV A,R2

RLC A

MOV R2,A

CLR P1.6

SJMP DU3

DU1:SETB C

MOV A,R2

RLC A

MOV R2,A

CLR P1.6

SJMP DU3

ORG 0110H

TZ:CLR P1.7

SETB P1.6

NOP

NOP

SETB P1.7

NOP

NOP

CLR P1.6

RET

ORG 0120

YD:CLR P1.7

SETB P1.6

NOP

NOP

CLR P1.6

NOP

NOP

SETB P1.7

RET

ORG 0130H

FYD:SETB P1.7

SETB P1.6

NOP

NOP

CLR P1.6

CLR P1.7

RET

END