thi nghiem vi xu ly

8/20/2019 thi nghiem vi xu ly

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THÍ NGHiêma. Duøng ngaét Timer 0:

ORG 2000HLJMP MAINORG 200BHLJMP ISRT0

MAIN:MOV TMOD,#01HSETB TF0MOV IE,#82HMOV R7,#11SJMP $

ISRT0:DJNZ R7,NAPCPL P1.0MOV R7,#10SJMP T

NAP:CLR TR0MOV TH0,#HIGH!"0000MOV TL0,#LO%!"0000SETB TR0

T: RETIEND

2. Thí nghieäm 4: Vieát chöông trình laøm cho led noái ñeánchaân P1.0 chô! taét "ôi ta#n $oá co the% ta&ng hoa'c

gia(m )a*ng cach nhaán nut noái ñeán chaân P1.1 hoa'cP1.+. ,hu -ì chô! taét trung )ình laø 1$

ORG 2000HMAIN:

CPL P1.0MOV A,#10 JNB P1.1,T&GIAMDEC A '() *(+* P1.1 -( / -+* 3 C(4 56 )+9 3

)+9 R7MOV R7,ASJMP LAP ' 9;)


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DJNZ R7,LAPSJMP MAIN

DL00:MOV TMOD,#01HMOV TH0,#HIGH!"2000 ' )+@ - R7 !R7 TB 10

000004? 0.?

MOV TL0,#LO%!"2000SETB TR0 JNB TF0,$ ' ) TF0 -+* + @+ -+*CLR TF0CLR TR0RETEND

BAØI TAÄP:1. Vieát chöông trình thöc hie/n co%ng logic: 2 + ngo3 "aøo

ORG 2000H

MAIN:CLR AMOV C,P1.0MOV ACC.0,CMOV R0,AMOV C,P1.1MOV ACC.0,CRL A,R0MOV C,ACC.0MOV P1.,CSJMP MAIN

END+. Vieát chöông trình thöc hie/n mach ñeøn cha4: 5TTTTTT6

55TTTTTT6555TTTTT65555TTTT77.6555555556TTTTTTT. Thôøigian thöc hie/n chöông trình laø 8.9$ "ôi 5: ñeøn $ang; T:ñeøn taét<

ORG 2000HMAIN:

CLR AMOV DPTR,#TABLEMOV R7,#8

LAP: MOVC A,AKDPTRACALL DL00INC ADJNZ R7,LAPSJMP MAIN

DL00:MOV TMOD,#01HMOV R,#10


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LOOP:MOV TH0,#HIGH!"0000 ' )+@ - *+ 10 000004?

0.?MOV TL0,#LO%!"0000SETB TR0 JNB TF0,$ ' ) TF0 -+* + @+ -+*

CLR TF0CLR TR0DJNZ R,LOOPRET

TABLE:DB 7FH,FH,1FH,0FH,07H,0H,01H,00H,0FFHEND

=. Vieát chöông trình thöc hie/n !he! logic: P1.9 > P1.0 2P1.1< ?@D P1.+<

ORG 2000H

MAIN:CLR AMOV C,P1.0MOV ACC.0,CMOV R0,AMOV C,P1.1MOV ACC.0,CRL A,R0MOV R0,A ' R0 P1.0 OR P1.1MOV C,P1.2MOV ACC.0,C

ANL A,R0MOV C,ACC.0MOV P1.,CSJMP MAINEND

BAØI 2: THÍ NGHIEÄM HIEÅN THÒ DUØNG ED ! "#A$N

%. Thí nghieäm %:Vieát chöông trAnh thöc hie/n )o/ ñeám töø 06BC "aø hie%n th treân led E ñoan; moFi la#n cach nhau +$ORG 2000H

MAIN:MOV R7,#10MOV R,#0

LOOP:MOV DPTR,#TABLEMOV A,R


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MOVC A,AKDPTRACALL DL2SMOV DPTR,#0000HMOV DPTR,AINC RDJNZ R7,LOOP

SJMP MAINDL2S:MOV R,#0MOV TMOD,#01H

LAP:MOV TH0,#HIGH!"0000MOV TL0,#LO%!"0000SETB TR0 JNB TF0,$CLR TF0CLR TR0

DJNZ R,LAPRET TABLE:

DB 70H,71H,72H,7H,7H,7H,7H,77H,78H,7HEND

2. Thí nghieäm 2:a. Vieát chöông trình hie%n th gia tr 1+=8 leân led E

ñoanORG 2000H

MAIN:MOV R7,#MOV R,#0

LOOP:MOV DPTR,#TABLEMOV A,R

MOVC A,AKDPTRACALL DL2MSMOV DPTR,#0000HMOV DPTR,A

INC RDJNZ R7,LOOPSJMP MAIN

DL2MS:MOV TMOD,#01HMOV TH0,#HIGH!"2000MOV TL0,#LO%!"2000SETB TR0 JNB TF0,$


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CLR TF0CLR TR0RET

TABLE:DB 71H,0B2H,0DH,0EH '-Q* Q@* @) )+@ - 12 ()*

-(


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MOV DPTR,AACALL DL2MSMOV A,RMOV DPTR,AACALL DL2MSSJMP LAP

DL2MS:MOV TMOD,#01HMOV TH0,#HIGH!"2000MOV TL0,#LO%!"2000SETB TR0 JNB TF0,$CLR TF0CLR TR0RETEND

&. Thí nghieäm &: Vieát chöông trình hie%n th gia tr nh

!haân trong thanh ghi 2E leân led E ñoanORG 2000HMAIN:

MOV R7,#2 ' *+ -46 6@ )+@ - R7 5)9 -+MOV B,#10MOV A,R7DIV ABMOV R,B ' R (Q@+ )+@ - (+* * MOV B,#10DIV ABMOV R,B ' R (Q@+ )+@ - (+* (4

MOV R2,A ' R2 (Q+ )+@ - (+* -+9LAP:

MOV DPTR,#0MOV A,R2ADD A,#0B0HMOV DPTR,AACALL DL2MSMOV A,RADD A,#0D0HMOV DPTR,AACALL DL2MS

MOV A,RADD A,#0E0HMOV DPTR,AACALL DL2MSSJMP LAP

DL2MS:MOV TMOD,#01HMOV TH0,#HIGH!"2000MOV TL0,#LO%!"2000


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SETB TR0 JNB TF0,$CLR TF0CLR TR0RETEND

BAØI TAÄP:1. Leám $oá töø 06CC gia( $ö( M100< Nuaát ra led E ñoan. KoFi

la#n Nuaát cach nhauORG 2000H

MAIN:MOV DPTR,#0MOV R7,#0MOV R,#0

JB P1.0,NHAW ' *(+6 5() *(+* P1.0

SJMP MAINNHAW:

INC R7CJNE R7,#0AH,SIP ' *(+6 * SIP 5() R7 # 0AHMOV R7,#0INC R

SIP:MOV A,R7ADD A,#0E0HMOV DPTR,AACALL DL2MSMOV A,RADD A,#0D0HMOV DPTR,A JNB P1.0,SIP ' *(+6 * SIP 5() 5(* *(+* P1.0SJMP NHAW

DL2MS:MOV TMOD,#01HMOV TH0,#HIGH!"2000MOV TL0,#LO%!"2000SETB TR0 JNB TF0,$CLR TF0CLR TR0RETEND

+. Vieát chöông trình ñeám töø 06J0 ro#i la'! lai; moFi la#nñeám cach nhau 1$

ORG 2000H


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MOV R,#0MOV R7,#0

LOOP1:MOV R,#100 ' +@* R 100>!9?K9? 1?


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',hươ ng trình con S,D

INIT&LCD:MOV A,#8HACALL %RITECOM

MOV A,#0EHACALL %RITECOMMOV A,#0HACALL %RITECOMRET

CLEAR:MOV A,#01HACALL %RITECOMRET

%RITECOM:

SETB P.CLR P.MOV DPTR,ACLR P.ACALL DELAW&0MSRET

%RITETET:SETB P.SETB P.MOV DPTR,ACLR P.

ACALL DELAW2RETHIEN&CHX:

MOV A,#YHYACALL %RITETETMOV A,#YEYACALL %RITETETMOV A,#YLYACALL %RITETETMOV A,#Y YOACALL %RITETET

MOV A,#Y%YACALL %RITETETMOV A,#YOYACALL %RITETETMOV A,#YRYACALL %RITETETMOV A,#YLYACALL %RITETETRET


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',hươ ng trình DS?U

DELAW&0MS:MOV R,#100

LOOP1:

MOV R7,#20DJNZ R7,$DJNZ R,LOOP1RET

DELAW1: ' U


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MOV R1,#LAP:

MOV A,#18H ' U( -+@)ACALL %RITECOMACALL DELAWDJNZ R1,LAP

MOV R1,#SJMP LAP1


INIT&LCD:MOV A,#8HACALL %RITECOMMOV A,#0EH

ACALL %RITECOMMOV A,#0HACALL %RITECOMRET

CLEAR:MOV A,#01HACALL %RITECOMRET

%RITECOM:SETB P.CLR P.

MOV DPTR,ACLR P.ACALL DELAW&0MSRET

%RITETET:SETB P.SETB P.MOV DPTR,ACLR P.ACALL DELAW2RET

HIEN&CHX:MOV A,#YDYACALL %RITETETMOV A,#YHYACALL %RITETETMOV A,#YBYACALL %RITETETMOV A,#YYACALL %RITETET


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MOV A,#Y YACALL %RITETETMOV A,#YTYACALL %RITETETMOV A,#YPYACALL %RITETET

MOV A,#YHYACALL %RITETETMOV A,#YCYACALL %RITETETMOV A,#YMYACALL %RITETETRET


DELAW&0MS:

MOV R,#100LOOP1:MOV R7,#20DJNZ R7,$DJNZ R,LOOP1RET

DELAW:MOV R,#

LOP1:MOV R,#200

LOP:

MOV R,#20DJNZ R,$DJNZ R,LOPDJNZ R,LOP1RET

DELAW2:MOV R,#1

LOOP2:MOV R7,#0DJNZ R7,$DJNZ R,LOOP2

RETEND

BAØI 4: THÍ NGHIEÄM GIA# TIE(P )UA '#ÅNG N#(I TIE(P

%. Thí nghiệm %: Phat chuỗ i Oello WorldR ra !ort nố i tiế !ORG 2000H

MAIN:MOV SCON,#2H


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MOV TMOD,#20HMOV TH1,#"SETB TR1MOV DPTR,#TABLE

LAP:CLR A

MOVC A,AKDPTRINC DPTRACALL OXT&CHAR JNZ LAPSJMP $

OXT&CHAR: '(+@- 5 -ự + - *ố) -)ế JNB TI, $CLR TIMOV SBXF, ARET

TABLE:

DB YH


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XART&INIT:MOV SCON,#2HMOV TMOD,#20HMOV TH1,#"SETB TR1RET

OXT&CHAR: JNB TI, $ '5() (+@- (- TI1CLR TIMOV SBXF, ARET

IN&CHAR: JNB RI, $CLR RIMOV A, SBXFRET

'

C(ươ * -*( * LCDLCD&INIT:

MOV A,#8HACALL %RITE&COMMOV A,#0EHACALL %RITE&COMMOV A,#0HACALL %RITE&COMRET

CLEAR:

MOV A,#01HACALL %RITE&COMRET

%AIT&LCD:MOV R7, #100

DEL1:MOV R, #20DJNZ R, $DJNZ R7, DEL1RET

%RITE&TET:

ACALL %AIT&LCDSETB RSMOV DPTR, ASETB ENCLR ENRET

%RITE&COM:ACALL %AIT&LCDCLR RS


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MOV DPTR, ASETB ENCLR ENRETEND

&. Thí nghiệm &: Nhận -A t ự t ừ !ort nố i tiế ! hiể n thị ra S,D ñồngthờ i !hat ra lại !ort nố i tiế ! t ố c ñộ !ort chọn laø CJ00!)$<

ORG 2000HEN BIT P.RS BIT P.

MAIN: ' (ươ * -*( (*(MOV DPTR, #8000HACALL LCD&INITACALL XART&INIT

ACALL CLEAR

LOOP:MOV R,#1 ' +@* R 1 ể *(ậ (ữ \ủ -* (+*

1 ồ) 4ố* (+* 2LAP1:

ACALL IN&CHARACALL %RITE&TETACALL OXT&CHARDJNZ R,LAP1MOV R,#1

MOV A,#0C0H ' * - 4* (+*ACALL %RITE&COM

LAP2:ACALL IN&CHARACALL %RITE&TETACALL OXT&CHARDJNZ R,LAP2ACALL CLEARSJMP LOOP

'

C(ươ * -*( * - *ố) -)ế

XART&INIT: ' 5(ở ) \ộ* - *ố) -)ếMOV SCON,#2HMOV TMOD,#20HMOV TH1,#"SETB TR1RET


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OXT&CHAR: ' (+@- 5 -ự + - *ố) -)ế JNB TI, $ '5() (+@- (- TI 1CLR TIMOV SBXF, ARET

IN&CHAR: ' -(4 5 -ự -ừ - *ố) -)ế JNB RI, $CLR RIMOV A, SBXFRET

'C(ươ * -*( * LCD

LCD&INIT: ' 5(ở ) \ộ* LCDMOV A,#8HACALL %RITE&COM

MOV A,#0EHACALL %RITE&COMMOV A,#0HACALL %RITE&COMRET

CLEAR:MOV A,#01HACALL %RITE&COMRET

%AIT&LCD: ' (ươ * -*( -ạ U


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SETB ENCLR ENRETEND

BAØI TAÄP:

Viế t chươ ng trình nhậ ! -A tö töø )aøn !hAm "e# laøm coâng"ie/c $au ñaâ4:a. iể m tra Nem -A t ự nhận ñượ c laø ?6X hoặc a6Y thì hiể n thị

leân S,D). iể m tra Nem -A t ự nhận nhaán ñöôc $ố t ừ 06C thì hiể n thị

Gua led E ñoạnc. @ế u nhấ n !hAm nter thì Nuố ng haøng ma3 ?5,ZZ 1=Od. @ế u nhấ n !hAm 5, thì Noa maøn hình S,D ma3 ?5,ZZ

+EO

ORG 2000HEN BIT P.RS BIT P.MAIN:

MOV DPTR, #8000HACALL LCD&INITACALL XART&INIT

ACALL CLEARLOOP:

MOV R,#1

LAP1:ACALL IN&CHARACALL NHANWTXACALL OXT&CHARDJNZ R,LAP1MOV R,#1MOV A,#0C0H ' * - 4* (+*ACALL %RITE&COM

LAP2:ACALL IN&CHAR

ACALL NHANWTXACALL OXT&CHARDJNZ R,LAP2ACALL CLEARSJMP LOOP

',hươ ngtrình con Port nố i tiế !

XART&INIT:MOV SCON,#2H


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MOV TMOD,#20HMOV TH1,#"SETB TR1RET

OXT&CHAR: JNB TI, $ '5() (+@- (- TI 1

CLR TIMOV SBXF, ARET

IN&CHAR: JNB RI, $CLR RIMOV A, SBXFRET


LCD&INIT:

MOV A,#8HACALL %RITE&COMMOV A,#0EHACALL %RITE&COMMOV A,#0HACALL %RITE&COMRET

CLEAR:MOV A,#01HACALL %RITE&COMRET

%AIT&LCD:MOV R7, #100

DEL1:MOV R, #20DJNZ R, $DJNZ R7, DEL1RET

%RITE&TET:ACALL %AIT&LCD

SETB RSMOV DPTR, ASETB ENCLR ENRET

%RITE&COM:ACALL %AIT&LCDCLR RS


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MOV DPTR, ASETB ENCLR ENRET

',hươ ng trình con -iể m tra -A t ự nhận ñượ c t ừ Port nố i tiế !"e# N ử lA theo ñề )aøi

NHANWTX:PXSH ACC'....................................................................................-iể m tra 5, V?@T2

CJNE A,#1,SIP1MOV A,#0C0H ' * - 4* (+*ACALL %RITE&COMSJMP THOAT

SIP1:CJNE A,#27,TIEP

ACALL CLEARSJMP THOAT[............................................................................................................-i ể m

tra 06C

TIEP:CJNE A,#0H,$K JNC TRASJMP THOAT

TRA:CJNE A,#AH,$K

JC XAT&LED'............................................................................................................-iể mtra ?6X

CJNE A,#1H,$K JNC TRA1SJMP THOAT

TRA1:CJNE A,#BH,$K JC XAT&LCD ' C1 -( A ] AH

[............................................................................................................-i ể m

tra a6Y CJNE A,#1H,$K JNC TRA2SJMP THOAT

TRA2:CJNE A,#7BH,$K JC XAT&LCD

XAT&LED:


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PXSH DPHPXSH DPLMOV DPTR,#0ANL A,#0FHADD A,#0E0HMOV DPTR,A

ACALL DELAW&2MSPOP DPLPOP DPHSJMP THOAT

XAT&LCD:ACALL %RITE&TET

THOAT:POP ACCRET

',hươ ng trình con t ạo tr ễ t ạo $ự lư u ảnh treân led E ñoạnDELAW&2MS:

MOV R1,#LAP:

MOV R2,#20DJNZ R2,$DJNZ R1,LAPRETEND

BAØI *: THÍ NGHIỆM "IE+U ,HIEÅN AD'

%. Thí nghieäm %: Vieát chöông trình thöc hie/n ñoc ñie/n a!cu(a )ieán trô( treân -eânh 0 "aø hie%n th ra led E ñoan.

ORG 2000HMAIN:

MOV DPTR,#000H '+ (^ 5() ADCMOV A,#0MOV DPTR,AACALL DELAW&100XSMOV A,DPTRMOV DPTR,#0000HMOV B,#10DIV ABMOV R7,BMOV B,#10DIV ABORL A,#0B0HMOV DPTR,A


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ACALL DELAW&1MSMOV A,BORL A,#0D0HMOV DPTR,AACALL DELAW&1MSMOV A,R7

ORL A,#0E0HMOV DPTR,AACALL DELAW&1MSSJMP MAIN

DELAW&100XS:MOV R,#200DJNZ R,$RET

DELAW&1MS:MOV R,#

LOOP:

MOV R,#100DJNZ R,$DJNZ R,LOOPRETEND

2. Thí nghieäm 2: Vieát chöông trình ñoc ñie/n a! cu(a -eânh0 "aø hie%n th leân S,D

ORG 2000HMAIN:

MOV DPTR,#000H '+ (^ 5() ADCMOV A,#0MOV DPTR,AACALL DELAW&100XSMOV A,DPTRMOV B,#10DIV ABMOV R2,BMOV B,#10DIV ABMOV DPTR,#8000H

ACALL CLEARACALL INIT&LCDACALL HIEN&CHXACALL DELAW1SJMP MAIN


INIT&LCD:


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MOV A,#8HACALL %RITECOMMOV A,#0EHACALL %RITECOMMOV A,#0HACALL %RITECOM

RETCLEAR:

MOV A,#01HACALL %RITECOMRET

%RITECOM:SETB P.CLR P.MOV DPTR,ACLR P.

ACALL DELAW&0MSRET%RITETET:

SETB P.SETB P.MOV DPTR,ACLR P.ACALL DELAW2RET

HIEN&CHX:ACALL %RITETET

MOV A,BACALL %RITETETMOV A,R2ACALL %RITETETRET


DELAW&0MS:MOV R,#100

LOOP1:

MOV R7,#20DJNZ R7,$DJNZ R,LOOP1RET

DELAW1: ' U


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MOV R,#20DJNZ R,$DJNZ R,LOPDJNZ R,LOP1RET

DELAW2:

MOV R,#1LOOP2:MOV R7,#0DJNZ R7,$DJNZ R,LOOP2RET

DELAW&100XS:MOV R,#200DJNZ R,$RETEND

BAØI -: THÍ NGHIỆM /0I ED MA T1AÄN

%. Thí nghieäm %: Vieát chöông trình hie%n th -A tö ? leân SDma tra/n.

ORG 2000H LOOP:

MOV A,#0MOV R7,#8

LAP:

MOV R,AMOV DPTR,#COT '_4@- `- 4+ LED 9+ -+`*MOVC A,AKDPTRACALL XAT&COTMOV A,RMOV DPTR,#HANGMOVC A,AKDPTRACALL XAT&HANG '_4@- (+* 4+ LED 9+ -+`*ACALL DL2MSMOV A,RINC A

DJNZ R7,LAPSJMP LOOPXAT&COT:

MOV DPTR,#0C00H '+ (^ `- 4+ LED 9+ -+`*MOV DPTR,ARET

XAT&HANG:MOV DPTR,#0A00H '+ (^ (+* 4+ LED 9+ -+`*MOV DPTR,A


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RETDL2MS:

MOV R,#LAP1:

MOV R,#20DJNZ R,$

DJNZ R,LAP1RETCOT: DB 01H, 02H, 0H, 08H, 10H, 20H, 0H, 80HHANG:DB 0H, 0EDH, 0EEH, 0EEH, 0EDH, 0H, 0FFH, 0FFH

END

2. Thí nghieäm 2: Vieát chöông trình cha4 chö3 ? H töø !ha(i$ang trai hie%n th leân SD ma tra/n

ORG 2000H TT:

MOV R,#10MOV R0,#0

MOV DPTR,#CHAR MOV R,#2LOOP1:

MOV R2,DPH MOV R,DPLLOOP:

MOV DPH,R2 MOV DPL,R MOV R1,#8

MOV A,#00000001BLAP:

ACALL HT&COT PXSH ACC CLR A

MOVC A,AKDPTRACALL HT&HANG

INC DPTRPOP ACCRL ADJNZ R1, LAP

DJNZ R,LOOP MOV R,#10 INC R0 MOV A,R0 MOV DPTR,#CHAR ADD A,DPL MOV DPL,A

DJNZ R,LOOP1


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SJMP TTCHAR:

DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0H, 0EDH,0EEH,DB 0EEH, 0EDH, 0H, 0FFH, 0FFH,00H, 7H, 7H, 7H, 8H,0FFH, 0FFH, DB

0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFHHT&COT: PXSH DPH PXSH DPL MOV DPTR,#0C000H MOV DPTR,A POP DPL POP DPH RETHT&HANG: PXSH DPH

PXSH DPL MOV DPTR,#0A000H MOV DPTR,A ACALL DELAW&1MS POP DPL POP DPH RETDELAW&1MS:

MOV R7,#DL:

MOV R,#100

DJNZ R,$DJNZ R7,DL RET

END

BAØI !: THÍ NGHIỆM /0I "#ÄNG '/ D'

%. Thí nghieäm %: Vieát chöông trình cho !he! ño/ng cô cha4 theo chie#u thua/n trong "oøng +$; ngh\ +$; cha4 theochie#u ngöôc +$; ngh\ +$ "aø la'! lai.

ORG 2000HMAIN:

MOV DPTR,#0E000H '+ (^ 4+ `* LOOP:

MOV A,#02H '`* _4+6 *Q !-( _46Q@

MOV DPTR,AACALL DL2S


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MOV A,#00H '`* UQ*MOV DPTR,AACALL DL2SMOV A,#01H '`* _4+6 -(4+`* !-( _46

Q@MOV DPTR,A

ACALL DL2SMOV A,#00HMOV DPTR,AACALL DL2SSJMP LOOP

DL2S:MOV R,#0

LAP1:MOV R,#100

LAP:MOV R7,#20

DJNZ R7,$DJNZ R,LAPDJNZ R,LAP1RETEND

2.Thí nghieäm 2: Vieát chöông trình ñie#u -hie%n ño/ng cô"ôi !höông !ha! PWK; trong ño thôøi gian )a/tR cu(a

Nung laø 90] chu -4ø.

ORG 2000HLJMP MAINORG 200BH '+ (^ *+a- -)9 0LJMP ISRT0ORG 201BH '+ (^ *+a- -)9 1LJMP ISRT1

MAIN:MOV DPTR,#0E000H '+ (^ 4+ `* MOV A,#01HMOV DPTR,AMOV TMOD,#11H

SETB TF0MOV IE,#8AH '( (@ *+a- -)9 0 + -)9 1SJMP $

ISRT0: '*+a- -)9 0 -+ (4 56 10004?SETB ACC.0CLR ACC.1MOV DPTR,ACLR TR0MOV TH0,#HIGH!"1000


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MOV TL0,#LO%!"1000SETB TR0CLR TR1MOV TH1,#HIGH!"00MOV TL1,#LO%!"00SETB TR1

RETIISRT1: '*+a- -)9 1 -+ ` `* 4*004?

CLR ACC.0CLR ACC.1MOV DPTR,ARETIEND

&. Thí nghieäm &: Vieát chöông trình ñie#u -hie%n ño/ng cô "ôi !höông !ha! PWK; trong ño thôøi gian )a/tR cu(a Nungla#n löôt laø +0]; 90]; ^0] chu -4ø. KoFi ño/ ro/ng Nung

cach nhau 9$. _ui trình ñöôc la'! lai lieân tuc.

ORG 2000HLJMP MAINORG 200BHLJMP ISRT0ORG 201BHLJMP ISRT1

MAIN:MOV R7,#20MOV R,#20MOV R,#0MOV DPTR,#0E000HMOV A,#01HMOV DPTR,AMOV TMOD,#11HSETB TF0MOV IE,#8AHSJMP $

ISRT0:CJNE R,#0,NHAW

DJNZ R7,LOPDJNZ R,LOP1INC RMOV R,#20MOV R7,#20SJMP LOP2

LOP1:MOV R7,#20

LOP:


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SETB ACC.0CLR ACC.1MOV DPTR,ACLR TR0MOV TH0,#HIGH!"1000MOV TL0,#LO%!"1000

SETB TR0CLR TR1MOV TH1,#HIGH!"200MOV TL1,#LO%!"200SETB TR1SJMP THOAT

NHAW:CJNE R,#1,NHAW1DJNZ R7,LOP2DJNZ R,LOPINC R

MOV R,#20MOV R7,#20SJMP LOP2

LOP:MOV R7,#20

LOP2:SETB ACC.0CLR ACC.1MOV DPTR,ACLR TR0MOV TH0,#HIGH!"1000

MOV TL0,#LO%!"1000SETB TR0CLR TR1MOV TH1,#HIGH!"00MOV TL1,#LO%!"00SETB TR1SJMP THOAT

NHAW1:DJNZ R7,LOPDJNZ R,LOPMOV R,#0

MOV R,#20MOV R7,#20SJMP THOAT

LOP:MOV R7,#20

LOP:SETB ACC.0CLR ACC.1MOV DPTR,A


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CLR TR0MOV TH0,#HIGH!"1000MOV TL0,#LO%!"1000SETB TR0CLR TR1MOV TH1,#HIGH!"800

MOV TL1,#LO%!"800SETB TR1SJMP THOAT

THOAT:RETI

ISRT1:CLR ACC.0CLR ACC.1MOV DPTR,ARETIEND

4.Thí nghieäm 4: Vieát chöôg trình thöc hie/n "ie/c ta&nghoa'c gia(m da#n toác ño/ ño/ng cô nhôø hai nut nhaánP1.8 "aø P1.9. hi -hoâng nhaán nut; toác ño/ ño/ng cô-hoâng ño%i. hi nut P1.8 ñöôc nhaán "aø giö3 thì toác ño/ño/ng cô ta&ng da#n. hi nut P1.9 ñöôc nhaán "aø giö3 thìtoác ño/ ño/ng cô gia(m da#n.

ORG 2000HMAIN:

MOV DPTR,#0E000H

MOV R,#MOV R,#T:

JNB P1.,NHAW1 '*(+* P1. -( * NHAW1MOV A,#01HMOV DPTR,AACALL DLCMOV A,#00HMOV DPTR,AACALL DLT

JNB P1.,NHAW2 '*(+* P1. -( * NHAW2MOV A,#01HMOV DPTR,AACALL DLCMOV A,#00HMOV DPTR,AACALL DLTSJMP T

NHAW1:


30/30

INC RDEC RMOV A,#01HMOV DPTR,AACALL DLCMOV A,#00H

MOV DPTR,AACALL DLTSJMP T

NHAW2:INC RDEC R

SIP2:MOV A,#01HMOV DPTR,AACALL DLCMOV A,#00H

MOV DPTR,AACALL DLTSJMP T

DLC:MOV R,0H

LAP1:MOV R,#100DJNZ R,$DJNZ R,LAP1RET

DLT:

MOV R,0HLAP:MOV R,#100DJNZ R,$DJNZ R,LAPRETEND

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