《单片机》读程序题题库Word文件下载.docx
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LOOP:
INCDPTR
DJNZR2,LOOP
INCDPH
MOV20H,#36H
SETB00H
MOVA,20H
INCA
XCHA,R2
POPDPH
ADDA,#55H
(A)=(R2)=(20H)=
(DPTR)=(SP)=
3、ORG0
MOVR0,#30H
MOVA,#12H
ADDCA,R0
MOV@R0,A
MOVDPTR,#2000H
XCHA,R0
RLA
POPACC
(A)=(R0)=(DPTR)=
(P1)=(30H)=
4、ORG0
MOVSP,#50H
MOVR0,#20H
MOVA,#23H
MOVR2,#0FH
SETB01H
ADDCA,@R0
LOOP:
DJNZR2,LOOP
RRA
ADDA,B
(21H)=(R2)=(A)=(B)=(3100H)=
5、ORG0
MOVDPTR,#1000H
MOVA,#13H
RLCA
XCHA,@R0
POPDPL
DECA
PUSHDPH
(P1)=(B)=(20H)=
(DPTR)=(R0)=
6、ORG0
MOVR2,#10H
MOVA,#24H
ADDCA,#00H
MOVA,R2
MOVDPL,A
MOVA,B
(A)=(R2)=(20H)=(DPTR)=(SP)=
7、ORG0
MOVDPTR,#2100H
ADDCA,R1
MOV@R1,A
ORLA,#24H
MOVDPH,A
MOVB,#02H
CLRACC.3
(A)=(R0)=(DPTR)=(P1)=(30H)=
8、ORG0
MOVR3,#10H
DJNZR3,LOOP
SUBBA,#00H
MOVA,R3
ANLA,#55H
(A)=(R3)=(20H)=(DPTR)=(SP)=
9、ORG0
LJMPSTART
MOVR0,#30H
MOVR1,#20H
MOVA,R0
ADDA,#37H
MOVP1,A
INCR0
INCR1
ANLA,R1
SWAPA
PUSHACC
POPB
MOVR0,A
MOVDPTR,#2200H
SETBC
ADDCA,B
MOVX@DPTR,A
(R0)=(R1)=(P1)=(B)=(2200H)=
10、ORG0
LJMPSTART
MOVSP,#50H
MOVR2,#20H
MOVDPTR,#3000H
CLRA
INCDPTR
DJNZR2,LOOP
INCDPH
MOV20H,#38H
SETB01H
MOVA,20H
INCA
XCHA,R2
POPDPH
ADDA,#55H
11、ORG0
MOVR0,#20H
MOVA,#31H
ADDCA,R0
MOV@R0,A
DECA
MOVDPTR,#2000H
DECDPL
XCHA,R0
RLA
POPACC
(A)=(R0)=(DPTR)=(P1)=(20H)=
12、ORG0
MOVSP,#50H
MOV20H,#06H
MOVA,#35H
MOVR2,#10H
SETB00H
ADDCA,@R0
DJNZR2,LOOP
SWAPA
PUSHACC
INCDPH
MOVX@DPTR,A
POPB
RRA
ADDA,B
MOVP1,A
END
(21H)=(R2)=(A)=(B)=(2100H)=
13、ORG0
MOVA,#36H
RLCA
XCHA,@R0
POPDPL
PUSHDPH
ADDA,B
(P1)=(B)=(30H)=(DPTR)=(R0)=
14、ORG0
MOVSP,#60H
MOVA,#24H
MOV@R0,A
ADDCA,20H
MOVA,R2
MOVDPL,A
(A)=(R0)=(20H)=(DPTR)=(SP)=
15、ORG0
MOVDPTR,#1100H
ADDCA,R1
MOV@R1,A
RRA
ORLA,#24H
MOVDPH,A
MOVB,#02H
CLRACC.4
16、ORG0
MOVSP,#60H
MOVR3,#20H
MOVA,#20H
MOV@R0,A
DJNZR3,LOOP
SETB02H
SUBBA,20H
MOVA,R3
ANLA,#55H
17、ORG0
MOVR2,#8
MOVR0,#30H
CLRA
CPLA
LOOP:
MOV@R0,A
MOVB,R2
INCB
MOVA,R0
CLRC
ADDCA,B
MOVR0,A
MOVDPTR,#1234H
MOVX@DPTR,A
SWAPA
PUSHACC
POPDPH
END
(R0)=(A)=
(33H)=(DPTR)=(1234H)=
18、ORG0
MOVSP,#60H
MOVDPTR,#1000H
MOVR0,#40H
MOVA,#40H
MOVR2,#8
MOV@R0,A
MOVR0,#40H
MOVR2,#8
LOOP1:
MOVA,@R0
ANLA,#0FH
DJNZR2,LOOP1
PUSHDPL
PUSHB
(A)=(B)=
(42H)=(1004H)=(SP)=
19、ORG0
MOVR0,#20H
MOVA,#40H
SETBC
ADDCA,R0
INCR0
DJNZR2,LOOP
MOVP1,R2
CLR00H
MOVA,20H
PUSHACC
MOVA,25H
MOVDPL,A
(20H)=(22H)=
(DPTR)=(P1)=(R0)=
20、ORG0
MOVB,R0
MOVA,#30H
RRCA
INCDPL
MOVA,@R0
ORLA,#0FH
(Cy)=(SP)=
(DPTR)=(1000H)=(1001H)=
21、ORG0
MOVR0,#30H
MOVA,R2
MOVA,30H
MOVB,A
MOVA,31H
DECDPL
(R0)=(Cy)=
(32H)=(DPTR)=(1000H)=
22、ORG0
MOVA,#0EEH
CPLA
ADDCA,21H
CLR00H
MOVDPH,#10H
(Cy)=(P1)=
(R2)=(DPTR)=(SP)=
23、ORG0
MOVA,#0F8H
ANLA,#0FH
SETB00H
SWAPA
MOVP1,A
ADDA,21H
INCDPTR
MOVX@DPTR,A
DECDPL
(R2)=(P1)=
24、ORG0
MOVA,#88H
ADDA,#1
MOV20H,A
MOVR0,#0F0H
ORLA,R0
(P1)=(20H)=
(DPTR)=(2000H)=(SP)=
25、ORG0
MOVR2,#8
MOVA,#0DEH
CPLA
MOV@R0,A
MOVB,R2
INCB
ADDCA,B
MOVR0,A
END
(30H)=(R0)=(1234H)=
26、ORG0
INCA
XCHA,41H
(42H)=(1000H)=(SP)=
27、ORG0
(20H)=Cy=
28、ORG0
MOVSP,#70H
INC@R0
(A)=(SP)=
Cy=(1000H)=(1001H)=
29、ORG0
(R0)=Cy=
(30H)=(DPTR)=(1000H)=
30、ORG0
ADDA,#10H
(A)=(P1)=
31、ORG0
MOVA,#0F9H
ADDA,R2
MOVDPTR,#1100H
(20H)=(P1)=
(DPTR)=(1100H)=(1101H)=
32、ORG0
MOVDPTR,#1200H
DJNZR2,$
ORLA,#0F0H
(P1)=(R2)=
(DPTR)=(1200H)=(SP)=
33、ORG0
START:
XCHA,R1
MOVDPTR,#2200H
(R0)=(R1)=(P1)=(A)=(DPTR)=
34、ORG0
START:
MOV