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MOV BX,AX MOV BX,AX

¢Û MOV AH,0FFH ¢Ü MOV BL,AL

MOV BX,AX MOV BH,AH

48.Èô(AX)=1234H,(DX)=89ABH,Ö´ÐÐXCHG AX,DXÖ¸Áîºó,AX¡¢DXÖеÄÄÚÈÝÓ¦ÊÇ

¢Ù (AX)=1234H (DX)=1234H ¢Ú (AX)=12ABH (DX)=8934H ¢Û (AX)=89ABH (DX)=1234H ¢Ü (AX)=89ABH (DX)=89ABH

49.(CF)=1Ê±×ªÒÆµ½Ä¿±êµØÖ·µÄÌõ¼þ×ªÒÆÖ¸ÁîÊÇ

¢Ù JNC ¢Ú JC ¢Û JZ ¢Ü JS

50.»ã±àÓïÑÔÔ´³ÌÐò£¬¿ÉÒÔÊÇ

¢Ù ¿ÉÒÔÖ±½ÓÓÉ»úÆ÷Ö´ÐÐ

¢Ú ±ØÐëÓɱàÒë³ÌÐòÉú³ÉÄ¿±ê³ÌÐò²ÅÄÜÖ´ÐÐ ¢Û ±ØÐëÓɽâÊͳÌÐòÉú³ÉÄ¿±ê³ÌÐò²ÅÄÜÖ´ÐÐ ¢Ü ±ØÐëÓÉ»ã±à³ÌÐò»ã±à³ÉÄ¿±ê³ÌÐò²ÅÄÜÖ´ÐÐ

51.Íê³É(BX)-(CX)?AXµÄ´íÎóÖ¸ÁîÊÇ

¢Ù SUB BX,CX ¢Ú XCHG AX,CX

¹²28Ò³ µÚ 7 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

MOV AX,BX SUB AX,BX

¢Û XCHG AX,BX ¢Ü MOV AX,BX SUB AX,CX SUB AX,CX 52. ÏÂÁÐÖ¸ÁîÖвÙ×÷ÊýÔÚ´úÂëÖеÄÊÇ

¢Ù MOV AL,[100H] ¢Ú MOV AL,00H ¢Û MOV [20H],AL ¢Ü MOV AL,BL

53.ÏÂÁÐÖ¸ÁîÖУ¬Ó°Ïì»òÐÞ¸ÄPSWÄÚÈݵÄÖ¸ÁîÊÇ

¢Ù PUSHF ¢Ú POPF ¢Û JCXZ ¢Ü LOOPZ

54.ÏÂÁÐÓÐÓï·¨´íÎóµÄÓï¾äÊÇ

¢Ù DB 12H ¢Ú DW 4567H ¢Û DD ¡®ABCD¡¯ ¢Ü DB ¡®ABCD¡¯

55.AL¡¢BLÖж¼ÊÇÎÞ·ûºÅÊý£¬Èô(AL)>(BL)ʱ£¬×ªµ½NEXT´¦¡£ÔÚÖ´ÐÐCMP AL£¬BLÖ¸Áî

ºóӦѡÓõÄÖ¸ÁîÊÇ

¢Ù JNBE NEXT ¢Ú JNLE NEXT ¢Û JBE NEXT ¢Ü JLE NEXT

56.ʹ״̬±ê־λCFÇåÁãµÄ´íÎóÖ¸ÁîÊÇ

¢Ù CLC ¢Ú XOR AX,AX ¢Û SUB AX,AX ¢Ü MOV CF,0

57.Ö´ÐÐPOP AX Ö¸ÁîÕýÈ·µÄCPU²Ù×÷¹ý³ÌÊÇ

¢Ù i(SP)+1?SP,((SP)) ?AL ¢Ú i (SP)+1?SP,((SP)) ?AH ii(SP)+1?SP,((SP)) ?AH ii (SP)+1?SP,((SP)) ?AL

¢Û i((SP)) ?AL,(SP)+1?SP ¢Ü i((SP)) ?AH, (SP)+1?SP ii((SP)) ?AH,(SP)+1?SP ii((SP)) ?AL, (SP)+1?SP

58. MOV BX£¬0FFFEH

NEG BX NOT BX

ÉÏÊöÈýÌõÖ¸ÁîÖ´Ðкó£¬BXÖеÄÄÚÈÝÊÇ

¢Ù -1 ¢Ú -2 ¢Û -3 ¢Ü -4

59. ORG 200H

BUF DB 12H£¬34H

?

?

?

MOV AX£¬WORD PTR BUF

ÉÏÊöÖ¸ÁîÓï¾äÖ´Ðкó£¬AXÖеÄÄÚÈÝÊÇ

¢Ù 3412H ¢Ú 1234H ¢Û 0200H ¢Ü 0012H

60. Ö´ÐÐNEGÖ¸Áî¶Ô״̬±ê־λCFÓÐÓ°Ï죬Æä¹æÔòÊÇ

¹²28Ò³ µÚ 8 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

¢Ù ¶ÔÕýÊýÇó²¹Ê±,(CF)=0 ¢Ú ¶Ô¸ºÊýÇó²¹Ê±,(CF)=0 ¢Û ¶Ô·ÇÁãÊýÇó²¹Ê±,(CF)=1 ¢Ü ¶ÔÁãÇó²¹Ê±,(CF)=1

61. ÒÑÖªALÄÚÈÝΪѹËõBCDÂ룬¶ÔËü½øÐмӡ°1¡±²Ù×÷£¬ÆäÖдíÎóµÄÖ¸ÁîÐòÁÐÊÇ

¢Ù INC AL ¢Ú ADD AL,1 DAA DAA

¢Û ADC AL,1 ¢Ü STC

DAA ADC AL,0 DAA

62. ÉèÊý¾Ý¶ÎÓУºDA1 DB XX£»ÊÇÈÎÒ»Êý¾Ý DA2 DB 0FEH

ÔòÏÂÁÐÁ½ÌõÖ¸ÁMOV DL£¬DA1 OR DL£¬DA2 Ö´Ðкó£¬DLÖеÄÄÚÈÝ¿ÉÄÜÊÇ

¢Ù 0FFH»ò0FEH ¢Ú Ö»ÄÜÊÇ0FEH ¢Û Ö»ÄÜÊÇ0FFH ¢Ü Ö»ÄÜÊÇ01H

63. DB1 DB 8 DUP£¨2 DUP£¨3£©£¬3 DUP£¨2£©£©

? ?

?

MOV AX£¬WORD PTR DB1[04H] ÉÏÃæÖ¸ÁîÖ´Ðкó£¬AXµÄÄÚÈÝÊÇ

¢Ù 0302H ¢Ú 0203H ¢Û 0202H ¢Ü 0303H

64.αָÁî DA1 DB 04H DUP£¨3 DUP£¨2£©£¬2 DUP£¨3£©£©ÔÚÊý¾ÝÇøÖÐÄܹ¹³É0203H²Ù×÷Êý¹²ÓÐ

¢Ù 7¸ö ¢Ú 4¸ö ¢Û 3¸ö ¢Ü 2¸ö

65.ÉèBUF1ºÍBUF2¾ùΪ±äÁ¿Ãû£¬²Ù×÷Êý²¿·ÖºÏ·¨µÄÖ¸ÁîÊÇ

¢Ù ADD AL,BUF1*BUF2 ¢Ú ADD AL,BUF1/BUF2 ¢Û ADD AL,BUF1+BUF2 ¢Ü ADD AL,BUF2-BUF1

66.MOV BL,80H MOV CL,2 SAR BL,CL

ÉÏÊöÖ¸ÁîÐòÁÐÖ´Ðк󣬽á¹ûÊÇ

¢Ù (BL)=40H ¢Ú (BL)=20H ¢Û (BL)=0C0H ¢Ü (BL)=0E0H

67.ÒÑÖª(SP)=1FFFH,Ö´ÐÐÏÂÁÐÖ¸Áîºó£¬(SP)=

?

? ?

POPF

PUSH AX

¹²28Ò³ µÚ 9 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

? ? ?

¢Ù 2000H ¢Ú 2002H ¢Û 1FFCH ¢Ü 1FFFH

68.ÉèNUM1 EQU 100 NUM2=64H

ÏÂÃæÖ¸ÁîÖ´Ðкó£¬Ê¹BLÖÐȫΪ1µÄÖ¸ÁîÊÇ

¢Ù MOV BL£¬NUM1 EQ NUM2 ¢Ú MOV BL£¬NUM1 LT NUM2 ¢Û MOV BL£¬NUM1 NE NUM2 ¢Ü MOV BL£¬NUM1 GT NUM2

69.Éè(AL)=04H,(BL)=0F8H,Ö´ÐÐMUL BLÖ¸Áîºó£¬½á¹ûΪ

¢Ù (AX)=03E0H ¢Ú (AX)=0FEE0H ¢Û (AX)=0032H ¢Ü (AX)=00E0H

70. ORG 100H

NUM EQU 8042H DA1 DB 56H

? ? ?

MOV BX£¬OFFSET DA1

ÉÏÊö³ÌÐò¶ÎÖ´ÐкóBXÖеÄÖµÊÇ

¢Ù 56H ¢Ú 100H ¢Û 101H ¢Ü 102H

71. Éè(AL)=63H (BL)=29H Ö´ÐÐÏÂÃæÖ¸Áîºó SUB AL,BL DAS

AXµÄÄÚÈÝÊÇ

¢Ù (AX)=0304H ¢Ú (AX)=0034

¢Û (AX)=0034H ¢Ü (AX)=0304

72.ʵÏÖ¶ÔAXÖеĴø·ûºÅÊý³ýÒÔ2µÄÖ¸ÁîÊÇ

¢Ù IDIV 2 ¢Ú SAR AX,1 ¢Û ROR AX,1 ¢Ü SHR AX,1

73.MOV AL,-1 NEG AL XOR AL,65

ÉÏÊö³ÌÐò¶ÎÖ´Ðкó£¬ALµÄÄÚÈÝÊÇ

¢Ù 40H ¢Ú 64H ¢Û 01H ¢Ü 61H

74. ÉèÊý¾Ý¶ÎÖж¨ÒåÓï¾ä DA1 DB 12H£¬34H DA2 DW 12H£¬34H

ÏÂÃæÓÐÓï·¨´íÎóµÄÓï¾äÊÇ

¹²28Ò³ µÚ 10 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

¢Ù BUF1 DW DA1 ¢Ú MOV DA1+1£¬AX

¢Û MOV BYTE PTR DA2+1£¬AL ¢Ü MOV WORD PTR DA1£¬AX

75. DA1 DW 2A05H DA2 DB 0FAH ?

?

?

MOV AL,BYTE PTR DA1 SUB DA2,AL

ÉÏÊöÖ¸ÁîÖ´Ðкó£¬DA2ÖеÄÄÚÈÝÊÇ ¢Ù 0DAH ¢Ú 0FAH

¢Û 0F5H ¢Ü 0D0H

76.ÔÚÖ´ÐÐPOP [BX]Ö¸ÁѰÕÒÄ¿µÄ²Ù×÷Êýʱ£¬¶ÎµØÖ·ºÍÆ«ÒÆµØÖ··Ö±ðÊÇ

¢Ù ÔÚDSºÍBXÖÐ ¢Ú ÔÚESºÍBXÖÐ ¢Û ÔÚSSºÍBXÖÐ ¢Ü ÔÚCSºÍBXÖÐ

77.MOV AL£¬79 ADD AL,0B1H

Ö´ÐÐÉÏÊöÖ¸Áîºó£¬±ê־λCFºÍOFµÄÖµÊÇ ¢Ù (CF)=0,(OF)=0 ¢Ú (CF)=0,(OF)=1 ¢Û (CF)=1,(OF)=0 ¢Ü (CF)=1,(OF)=1

78.DA1 EQU WORD PTR DA2 DA2 DB 0ABH£¬0CDH

? ?

?

SHL DA1£¬1 SHR DA2£¬1

ÉÏÊöÁ½ÌõÖ¸ÁîÖ´Ðкó£¬DA2ÖÐÁ½×Ö½Úµ¥ÔªÄÚÈÝ·Ö±ðÊÇ ¢Ù 0ABH£¬0CDH ¢Ú 2BH£¬9BH ¢Û 4DH£¬57H ¢Ü 56H£¬9BH

79. TEST VAR,55H

JE ZER0 ? ? ?

ZER0£º??

ÉÏÊö³ÌÐò¶ÎÖ´ÐÐJE ZER0Ö¸ÁîºóÄܹ»²úÉú·ÖÖ§µÄÌõ¼þÊÇ ¢Ù VAR=0 ¢Ú VAR=55H

¢Û VARÖеÚ1£¬3£¬5£¬7λ¾ùΪ0 ¢Ü VARÖеÚ0£¬2£¬4£¬6λ¾ùΪ0

80. XOR AX,AX MOV AL,90H

¹²28Ò³ µÚ 11 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

CWD

Ö´ÐÐÉÏÊöÖ¸Áîºó£¬½á¹ûΪ

¢Ù (DX)=0000, (AX)=FF90H ¢Ú (DX)=FFFFH,(AX)=0090H ¢Û (DX)=FFFFH,(AX)=FF90H ¢Ü (DX)=0000, (AX)=0090H

81. ÔÚ³ÌÐò²ÉÓÃDOSϵͳ¹¦Äܵ÷ÓÃÍ˳öÓû§³ÌÐòʱ£¬ÔÚʹÓÃINT 21HÖ¸Áîǰ£¬Ó¦Ñ¡Óà ָÁî

¢Ù MOV AX,4CH ¢Ú MOV AL,4CH ¢Û MOV AH,4CH ¢Ü RET

82.Éè(AH)=0,(AL)=6H,(BL)=9H, Ö´ÐÐÏÂÃæÖ¸Á ADD AL£¬BL AAA

Ö®ºó£¬Æä½á¹ûÊÇ

¢Ù (AH)=1,(AL)=5 ¢Ú (AH)=0,(AL)=0FH ¢Û (AH)=1,(AL)=15 ¢Ü (AH)=0,(AL)=5

83.STR1 DB ¡®BeiJing 2009¡¯

SCA DB ¡®J¡¯

? ? ?

LEA DI£¬STR1 MOV AL£¬SCA MOV CX£¬0CH CLD

REPNE SCASB

NEXT£º??

³ÌÐòÔËÐе½NEXTʱ CX= ZF=

¢Ù 8ºÍ1 ¢Ú 7ºÍ1 ¢Û 10ºÍ0 ¢Ü 10ºÍ1

84.VAR1 DW 1234H,89,255,-2,-0AH

VAR2 DB 34,78H,44,22,19,-12

? ? ?

MOV AH,23H LEA BX,VAR1+4

MOV AL,BYTE PTR [BX+1] MOV SI,WORD PTR VAR2+3 ³ÌÐò¶ÎÖ´Ðкó AX= SI=

¢Ù AX=23FEH SI=1317H ¢Ú AX=23FEH SI=1316H ¢Û AX=23FFH SI=1316H ¢Ü AX=23FFH SI=1317H

85.²âÊÔBLµÄÄÚÈÝÊÇ·ñÓëÊý¾Ý5AHÏàµÈ£¬ÈôÏàµÈÔò×ªÒÆµ½NEXT´¦£¬¿ÉʵÏֵķ½·¨ÊÇ

¢Ù TEST BL,5AH ¢Ú XOR BL,5AH JZ NEXT JZ NEXT

¹²28Ò³ µÚ 12 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

¢Û AND BL,5AH ¢Ü OR BL,5AH

JZ NEXT JZ NEXT

86. ʹÓÃDOSϵͳ¹¦Äܵ÷ÓÃʱ£¬×Ó³ÌÐò±àºÅ(¹¦ÄܺÅ)Ó¦ÏÈ·ÅÈë ¼Ä´æÆ÷ÖС£

¢Ù AH ¢Ú AL ¢Û DL ¢Ü AX

87.Éè(AL)=03H,Äܹ»Íê³É½«ALÖеĵÍ4λ´úÂë±ä·´£¬¶øÆä¸ß4λ´úÂë²»±äµÄÖ¸ÁîÊÇ

¢Ù AND AL£¬0FH ¢Ú XOR AL£¬0FH ¢Û OR AL£¬0FH ¢Ü SUB AL£¬0FH

88. ÏÂÁÐÖ¸ÁîÄܹ»Ê¹AXÖеÄÊý¾Ý±ØÎªÆæÊýµÄÊÇ

¢Ù AND AX,0001H ¢Ú XOR AX,0001H ¢Û OR AX,0001H ¢Ü ADD AX,0001H

89. ÏÂÁÐÖ¸ÁîÖÐÓÐÓï·¨´íÎóµÄÊÇ

¢Ù MOV CS,AX ¢Ú MOV DS,AX ¢Û MOV SS,AX ¢Ü MOV ES,AX

90. BUFFµ¥Ôª¿ªÊ¼£¬Á¬Ðø´æ·ÅÁËÊ®¸ö×Ö½ÚÊý¾Ý£¬ÓûÕÒ³öÓëALÖÐÄÚÈݲ»Í¬µÄÊý£¬²¢½«²»

ͬÊý¾ÝµÄµØÖ·Æ«ÒÆÁ¿ËÍADRµ¥Ôª£¬Ó¦Ñ¡ÓõÄÖ¸ÁîÐòÁÐÊÇ

¢Ù REPZ CMPSB ¢Ú REPNZ CMPSB

JZ K1 JZ K1

MOV ADR,DI MOV ADR,DI K1: ?? K1: ??

¢Û REPZ SCASB ¢Ü REPNZ SCASB

JZ K1 JNZ K1 DEC DI DEC DI

MOV ADR,DI MOV ADR,DI K1: ?? K1: ??

91.ÒÑÖªAX=0FFFFH£¬DX=0001H MOV CX£¬2 LOP£ºSHL AX£¬1 RCL DX£¬1 LOOP LOP

ÉÏÊö³ÌÐò¶ÎÖ´ÐкóDX= AX=

¢Ù DX=0006H AX=0FFFDH ¢Ú DX=0006H AX=0FFFCH ¢Û DX=0007H AX=0FFFDH ¢Ü DX=0007H AX=0FFFCH

92. ARRAY DW 6,9,$+4,10H,$+4

? ? ?

MOV AX,ARRAY+4

Éè±äÁ¿ARRAYµÄÆ«ÒÆÁ¿ÊÇ0084H£¬ÉÏÊöÖ¸ÁîÖ´ÐкóAXÖеÄÄÚÈÝÊÇ

¢Ù 0009H ¢Ú 008CH ¢Û 0090H ¢Ü 0010H

¹²28Ò³ µÚ 13 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

93. ÒÑÖªAX=7865H£¬BX=89AAH

CLC

ADD AX£¬BX OR BX£¬AX RCR AX£¬1 RCL BX£¬1

³ÌÐòÖ´Ðкó£¬AX= BX= CF=

¢Ù (AX)=0107H (BX)=175FH (CF)=1 ¢Ú (AX)=0106H (BX)=175EH (CF)=1 ¢Û (AX)=0107H (BX)=175EH (CF)=0 ¢Ü (AX)=0106H (BX)=175FH (CF)=0

94.Éè(SS)=338AH,(SP)=450H,Ö´ÐÐ PUSH BXºÍ PUSHFÁ½ÌõÖ¸Áîºó£¬¶ÑÕ»¶¥²¿µÄÎïÀíµØÖ·ÊÇ

¢Ù 33CECH ¢Ú 33CF2H ¢Û 33CF4H ¢Ü 33CE8H

95.²»Äܱíʾ´æ´¢µ¥ÔªÂß¼­µØÖ·ÊÇ

¢Ù ±äÁ¿Ãû ¢Ú ±êºÅÃû ¢Û ¶ÎÃû ¢Ü ·ûºÅÃû

96.VAY1 DW ?

VAY2 EQU Byte PTR VAY1

¾­¹ýÒÔÉ϶¨Òåºó,VAY1ÓëVAY2Ö®¼äµÄ¹ØÏµÊÇ

¢Ù ¶ÎµØÖ·Ïàͬ,Æ«ÒÆµØÖ·²»Í¬ ¢Ú ¶ÎµØÖ·²»Í¬,Æ«ÒÆµØÖ·Ïàͬ ¢Û ¶ÎµØÖ·²»Í¬,Æ«ÒÆµØÖ·²»Í¬ ¢Ü ¶ÎµØÖ·Ïàͬ,Æ«ÒÆµØÖ·Ïàͬ

97. ²»ºÏ·¨µÄ±äÁ¿ÀàÐÍÊÇ

¢Ù Ò»×Ö½Ú ¢Ú ¶þ×Ö½Ú ¢Û Èý×Ö½Ú ¢Ü ËÄ×Ö½Ú

98. ÔÚ´æ´¢Æ÷Öж¨Òå20¸ö×Ö³¤µÄÊý¾Ý»º³åÇøµÄαָÁîÊÇ

¢Ù Buffer EQU 20 ¢Ú Buffer DW 20 DUP(?) ¢Û Buffer DW 20 ¢Ü Buffer DB 20 DUP(?)

99. ÏÂÁвÙ×÷ÖÐÔÊÐí¶Î³¬Ô½Ç°×ºµÄÊÇ

¢Ù ȡָÁî ¢Ú ´æÄ¿µÄ´® ¢Û ÒÔBPΪ»ùÖ·´æÈ¡²Ù×÷Êý ¢Ü ¶ÑÕ»²Ù×÷

100.ÏÂÃæ³ÌÐò¶ÎÊÇÅжÏÁ½¸ö´æ´¢µ¥ÔªÊÇ·ñͬΪ¸ºÊý£¬ÈôÊÇ£¬ÔòAXÖÃÈ«1£¬·ñÔòAXÖÃ0

ÊÔÔÚ¿Õ°×´¦¸÷ÌîÉÏÊʵ±µÄÌõ¼þ×ªÒÆÖ¸Áî(Á½¿Õ°×´¦ÒªÀûÓò»Í¬µÄ±ê־λѡÓò»Í¬µÄÌõ¼þ×ªÒÆÖ¸Áî)¡£ VAR1 DW ¡Á¡Á¡Á¡Á VAR2 DW ¡Á¡Á¡Á¡Á

? ? ?

MOV AX£¬VAR1 MOV BX£¬VAR2 XOR AX£¬BX

¹²28Ò³ µÚ 14 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

TEST BX£¬8000H

MOV AX£¬0FFFFH NEXT£ºMOV AX£¬0

? ? ?

¢Ù JNS NEXT ¢Ú JS NEXT JE NEXT JE NEXT

¢Û JC NEXT ¢Ü JNC NEXT JZ NEXT JNZ NEXT

101. VARY1 EQU BYTE PTR VARY2 VARY2 DW 0ABCDH

? ? ?

SHL VARY1,1 SHR VARY2,1

ÉÏÊöÁ½ÌõÖ¸ÁîÖ´Ðкó,VARY2×Ö´æ´¢µ¥ÔªÄÚÈÝÊÇ

¢Ù 0ABCDH ¢Ú 0BCDEH ¢Û 55CDH ¢Ü 0AB55H

102.DEC2 DB ¡®56¡¯

? ? ?

XOR DI£¬DI

MOV BL£¬DEC2[DI+1] AND BL£¬0FH

MOV AL£¬DEC2[DI] AND AL£¬0FH MOV DL£¬10

MUL DL

ADD AL£¬BL

ÉÏÊö³ÌÐò¶ÎÖ´Ðкó£¬AL= BL=

¢Ù AL=56 BL=7 ¢Ú AL=55 BL=6 ¢Û AL=56 BL=6 ¢Ü AL=55 BL=7

103.Éè(SP)=0028H,Ö´ÐжÎÄÚ·µ»ØÖ¸ÁîRET 6ºó£¬SPµÄÄÚÈÝÊÇ ¢Ù 0036H ¢Ú 0022H ¢Û 0030H ¢Ü 0020H

104.»ã±àÓïÑÔÓï¾ä¸ñʽÖÐ,¸ù¾Ý¶Ô·ûºÅÃûµÄ¹æ¶¨,´íÎóµÄ½âÊÍÊÇ

¢Ù Ãû×ֵĵÚÒ»¸ö×Ö·ûÖ»¿ÉÒÔÊÇ´óСдӢÎÄ×Öĸ¼°?¡¢@¡¢_µÈ ¢Ú Ãû×ֵĵÚÒ»¸ö×Ö·û¿ÉÒÔÊÇÊý×Ö ¢Û Ãû×ÖµÄÓÐЧ³¤¶È¡Ü31¸ö×Ö·û ¢Ü Ãû×ÖµÄ×îºóÒ»¸ö×Ö·û¿ÉÒÔÊÇÊý×Ö

¹²28Ò³ µÚ 15 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

105. ÏÂÁÐÓï¾äÖÐÄÜʵÏÖÁô¿Õ8¸ö×Ö½Úµ¥ÔªµÄÓï¾äÊÇ

¢Ù DATA1 DT ? ¢Ú DATA2 DW ? ¢Û DATA3 DD ? ¢Ü DATA4 DQ ?

106.ÒÑÖªAX=0078H£¬BX=0408H SHR BX£¬1

AND BX£¬0F0FH MOV CX£¬4 LOP£ºXCHG BH£¬BL

DIV BL SAL AX£¬1 LOOP LOP

ÉÏÊö³ÌÐò¶ÎÖ´Ðкó£¬AX= BX=

¢Ù 30ºÍ0402H ¢Ú 30ºÍ 0204H ¢Û 35ºÍ0400H ¢Ü 35ºÍ 0400H

107. yeqianyi DW 10H DUP(3 DUP(2,50),3,5)

ÉÏÊöÓï¾ä»ã±àºó,Ϊ±äÁ¿yeqianyi·ÖÅäµÄ´æ´¢µ¥Ôª×Ö½ÚÊýÊÇ

¢Ù 80H ¢Ú 100H ¢Û 50H ¢Ü 124H

108. ÔÚ»ã±àÓïÑÔÔ´³ÌÐòÖÐ,ÿ¸öÓï¾ä¿ÉÒÔÓÉËÄÏî×é³É,ÈçÓï¾äÒªÍê³ÉÒ»¶¨¹¦ÄÜ,ÄÇô¸Ã

Óï¾äÖв»¿ÉÊ¡ÂÔµÄÏîÊÇ

¢Ù Ãû×ÖÏî ¢Ú ²Ù×÷Ïî ¢Û ²Ù×÷ÊýÏî ¢Ü ×¢ÊÍÏî

109. ÔÚ»ã±àÓïÑÔÔ´³ÌÐòÖÐ,¶ÔENDÓï¾äµÄÐðÊöÕýÈ·µÄÊÇ

¢Ù ENDÓï¾äÊÇÒ»¿ÉÖ´ÐÐÓï¾ä ¢Ú ENDÓï¾ä±íʾ³ÌÐòÖ´Ðе½´Ë½áÊø ¢Û ENDÓï¾ä±íʾԴ³ÌÐòµ½´Ë½áÊø ¢Ü ENDÓï¾äÔÚ»ã±àºó²úÉú»úÆ÷´úÂë

110. ÉèÊý¾Ý¶ÎÖÐÓÐ:

DATA1 DB 10H,00H DATA2 DW 20H,30H

ÔÚÏÂÃæÖ¸ÁîÖÐ,ʹÓñäÁ¿ÓдíÎóµÄÊÇ

¢Ù MOV DATA1,AX ¢Ú MOV BYTE PTR DATA2,AL ¢Û ARRD DW DATA1 ¢Ü MOV WORD PTR DATA1,AX

111. ÏÂÃæ¶ÔαָÁîÓï¾äµÄ˵Ã÷,ÕýÈ·µÄÊÇ

¢Ù »ã±à³ÌÐò½«Î±Ö¸Áî·­Òë³É»úÆ÷´úÂë¡£ ¢Ú αָÁîÔÚÖ´ÐÐʱÍê³ÉÆä¹¦ÄÜ¡£

¢Û αָÁîµÄ¹¦ÄÜÊÇָʾ¡¢Òýµ¼»ã±à³ÌÐòÔÚ»ã±à¹ý³ÌÖÐËùÍê³ÉµÄ²»Í¬²Ù×÷¡£ ¢Ü µ±»ã±à½áÊøºó,Ä¿±ê³ÌÐòÖÐÈÔ±£ÁôαָÁî¡£

112. Ìõ¼þ×ªÒÆÖ¸ÁîJNBE ²úÉú×ªÒÆµÄÌõ¼þÊÇ

¢Ù CF=0 AND ZF=0 ¢Ú CF=0 AND ZF=1 ¢Û CF=1 AND ZF=0 ¢Ü CF=1 AND ZF=1

113. É趨ÒåBUF DW 100 DUP(0),ÔòÖ¸Áî¡°MOV CX,SIZE BUF¡±µÄµÈЧָÁîÊÇ

¹²28Ò³ µÚ 16 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

¢Ù MOV CX,100 ¢Ú MOV CX,200

¢Û MOV CX,400 ¢Ü MOV CX,100 DUP(0)

114. AR1 DB¡®ABCDEFGH¡¯

AR2 DB O

? ? ? MOV AH,1 INT 21H AND AL,0FH DEC AL

LEA BX,AR1 XLAT AR1 MOV AR2,AL

¼ÙÉè¼üÅÌÊäÈëÊý×Ö4,ÔòÖ´Ðкó(AR2)= ; Ö´ÐкóCF=

¢Ù 44H(»ò¡®D¡¯),0 ¢Ú 43H(»ò¡®C¡¯),1 ¢Û 44H(»ò¡®D¡¯),1 ¢Ü 43H(»ò¡®C¡¯),0

115.ADR DW 1234H,5678H

? ? ?

LEA SI,ADR LDS BX,ADR

Éè±äÁ¿ADRµÄÆ«ÒÆµØÖ·ÊÇ100H£¬ÉÏÊöÁ½ÌõÖ¸ÁîÖ´Ðкó£ºSI= £¬DS=

¢Ù 100H ºÍ1234H ¢Ú 100H ºÍ5678H ¢Û 000H ºÍ1234H ¢Ü 000HºÍ5678H

116. NUMBER EQU 81H DATA DB 49H

? ? ?

XOR DATA,NUMBER

ÉÏÊöÓï¾äÖ´ÐкóDATAÖеÄÄÚÈÝÊÇ

¢Ù 81H ¢Ú 49H ¢Û C8H ¢Ü 89H

117. ÏÖÓÐÒ»Êý¾Ý¶¨ÒåαָÁîÔÚDAµ¥Ôª¶¨ÒåÒ»Êý¾Ý: DA DW 0123H

ÄÜÓëÉÏÊöÓï¾äµÈЧµÄÓï¾äÊÇ

¢Ù MOV WORD PTR DA,¡®123H¡¯ ¢Ú MOV DA,123H

¢Û MOV Byte PTR DA,0123H ¢Ü MOV DA,¡®123H¡¯

118. DATA SEGMENT

DA1 DB 64H DUP(?) DA2 DW 0100H,0200H

¹²28Ò³ µÚ 17 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

DA3 DW DA2

? ? ?

MOV SI,DA3

ÉÏÊöÖ¸ÁîÖ´Ðкó,SIÖеÄÄÚÈÝÊÇ

¢Ù 100H ¢Ú 200H ¢Û 100 ¢Ü 300H

119. Ò»Êý¾Ý¶Î¶¨ÒåÈçÏÂ: DATA SEGMENT ORG 0134H

DA DB 12H,63,26H ARRD DW DA DATA ENDS

Äܹ»Ê¹BXÖеÄÊý¾ÝÎªÆæÊýµÄÓï¾äÊÇ

¢Ù MOV BX,ARRD ¢Ú MOV BL,DA+2 ¢Û MOV BX,WORD PTR DA ¢Ü MOV BL,DA+1 120.ÒÑÖªDX=0A476H£¬CX=0203H£¬CF=1 OR DX£¬DX RCR DX£¬CL XCHG CH£¬CL RCL DX£¬CL

ÉÏÊö³ÌÐò¶ÎÖ´ÐкóDX= CF= ¢Ù 523BH ºÍ1 ¢Ú 523BHºÍ0 ¢Û 423CH ºÍ1 ¢Ü 423CH ºÍ0

121. ÔÚͬһ³ÌÐò¶ÎÖУ¬¶¨ÒåÏÂÃæÎ±Ö¸Á´íÎóµÄÊÇ ¢Ù PORT1 EQU AL ¢Ú PORT2=AL

¢Û PORT2=2A50H AND 0FFH ¢Ü PORT3 EQU 2A50H

PORT3 EQU 2A50H AND 0FFH

122. ÉèADRT=100H£¬²»·ûºÏÓï·¨¹æÔòµÄÓï¾äÊÇ

¢Ù MOV AX,ADRT ¢Ú MOV AX,[ADRT+SI] ¢Û MOV [ADRT],AX ¢Ü MOV ADRT[SI],AX

123.Ö¸³öÏÂÃæÄÄ×éαָÁîʹÓÃÊÇ´íÎóµÄ

¢Ù DAT Segment ¢Ú Extra Segment ¢Û Stack Segment ¢Ü Cod Segment ? ? ? ? ? ? ? ? ?

DAT Ends Extra Ends Stack Ends

Cod Ends£¬8 SHL AX£¬1 SHL AX£¬1 MOV BX£¬AX

¹²28Ò³ µÚ 18 Ò³

? ? ?

124. MOV AX»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

MOV CL£¬2 SHL AX£¬CL ADD AX£¬BX

ÉÏÊö³ÌÐò¶ÎÖ´Ðкó£¬BX= AX=

¢Ù 0020H ºÍ 00A0H ¢Ú 0028HºÍ 00A0H ¢Û 0028H ºÍ 00C8H ¢Ü 0020HºÍ 00C8H

Èý¡¢³ÌÐòÌî¿Õ

1. ÔÚÒÔBCDΪÊ×µØÖ·µÄ×Ö½Úµ¥ÔªÖдæ·ÅÁË3¸öѹËõBCDÂëx¡¢y¡¢z±¾³ÌÐòÓÃÒÔ¼ÆËã

x+y-z£¬²¢½«½á¹û´æ·ÅÔÚSS×Ö½Úµ¥ÔªÖС£ÊÔÔÚ³ÌÐòµÄ¿Õ¸ñ´¦ÌîÈëÊʵ±µÄÖ¸Áî¡£ BCD DB x£¬y£¬z SS DB £¿

? ? ?

MOV AL, BCD ADD AL, BCD+1 SUB AL, BCD+2 MOV SS, AL

2. DA1 DB ¡®01234¡¯

DA2 DB 5 DUP(0) ?

?

?

MOV SI,0 MOV CX,5

LOP: MOV AL,DA1[SI]

ADD AL,11H OR AL,01H

MOV DA2[SI],AL INC SI LOOP LOP

ÊÔÎÊ: (1) ³ÌÐò¶ÎÖ´Ðкó£¬DA2¸÷×Ö½ÚÖеÄÊý¾ÝÊÇ

(2) ³ÌÐòÖÐMOV AL£¬DA1[SI]Ö¸ÁîµÄÔ´²Ù×÷ÊýѰַ·½Ê½ÊÇ

3.ÏÂÃæ³ÌÐò¶ÎÓÃÒÔͳ¼ÆAXÖÐΪ¡°0¡±µÄλÊý£¬Í³¼Æ½á¹û·ÅÔÚCONTµ¥ÔªÖУ¬ÊÔÔÚ³ÌÐò¶ÎµÄ¿Õ¸ñ´¦ÌîÉÏȱÉÙµÄÖ¸Áî¡£

MOV CONT, 0 MOV CX, 16

NEXT: SHR AX, 1

¹²28Ò³ µÚ 19 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

INC CONT DONE: JNZ NEXT

4.ÏÂÃæ³ÌÐò¶ÎÓÃÒÔͳ¼ÆSUM×Öµ¥ÔªÖк¬ÓжàÉÙ¸ö¡°5¡± ͳ¼Æ½á¹û´æ·ÅÔÚALÖУ¬ÊÔÔÚ³Ì

Ðò¶ÎµÄ¿Õ¸ñ´¦ÌîÉÏȱÉÙµÄÖ¸Áî¡£ XOR AX, AX NEXT: CMP SUM, 5 JL DONE JMP NEXT DONE: ?

? ?

5.ÔÚÖ÷³ÌÐòÖУ¬²ÉÓõ÷ÓÃ×Ó³ÌÐò·½Ê½ÇóÒ»¸ö×ÖÊý×éÖеÄÔªËØÖ®ºÍ£¬²¢½«Ö®ËÍÈëSUMµ¥Ôª¡£ÊÔÔÚÏÂÃæ³ÌÐò¶ÎÖÐÌî²¹ÉÏ¿ÕȱµÄÖ¸Áî¡£

? ? ?

MOV BX, OFFSET ARRAY

MOV CX,NN

CALL yeqianyi

? ? ?

yeqianyi PROC

PUSH AX

NEXT: ADD AX,[BX] ADD BX,2 LOOP NEXT POP AX RET yeqianyi ENDP

6.ÔÚÖ÷³ÌÐòÖУ¬²ÉÓõ÷ÓÃ×Ó³ÌÐò·½Ê½½«Ò»×é·ÇѹËõBCDÔÚÆÁÄ»ÉÏÏÔʾ³öÀ´¡£ÊÔÔÚÏÂÃæ ³ÌÐò¶ÎÖÐÌî²¹ÉÏ¿ÕȱµÄÖ¸Áî¡£

? ? ?

MOV BX,OFFSET feiyabcd MOV CX,NN

¹²28Ò³ µÚ 20 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

? ? ?

DISPLAY PROC

PUSH DX

LOP: MOV DL,[BX] ADD DL,30H

INT 21H INC BX LOOP LOP RET

DISPLAY ENDP

7.BUF DW 1£¬0£¬0AB1CH£¬582H£¬9£¬3A04H£¬9£¬0

? ? ?

LEA DI£¬BUF MOV CX£¬8 MOV AX£¬9 CLD

REPNZ SCASW JNZ K1

SUB DI£¬OFFSET BUF MOV DX£¬DI SHR DX£¬1 ADD DL£¬30H MOV AH£¬2 INT 21H K1£º??

ÉÏÊö³ÌÐòÖ´Ðкó (1)³ÌÐòÍê³ÉµÄ¹¦ÄÜÊÇ £¬ÏÔʾÊä³öµÄÖµÊÇ

8.ÔÚÒÔStringΪÊ×µØÖ·µÄÄÚ´æÇøÓò´æ·ÅÁËÒ»¸ö×Ö·û´®,ÏÂÃæ³ÌÐò¶ÎµÄ¹¦ÄÜÊÇʵÏÖ½«¸Ã´®ÖÐËùÓÐ×Öĸ×Ö·ûÒÀ´ÎËÍÈëBUFF»º³åÇø,ÊÔÔÚ³ÌÐòÖÐÌî²¹ÉÏ¿ÕȱµÄÖ¸Áî¡£

String DB ¡®123ABC051AF??049ADVWS¡¯ N EQU $- String BUFF DB N DUP(?)

? ? ?

MOV CX,N MOV BX,0

yeqianyi: CMP String[BX], ¡®A¡¯ JB NEXT

CMP String[BX], ¡®Z¡¯

¹²28Ò³ µÚ 21 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

JA NEXT

MOV BUFF[SI],AL INC SI NEXT: INC BX

LOOP yeqianyi HLT

9.ÏÂÃæ³ÌÐò¶ÎÊǽ«BUFFµ¥ÔªµÄ¾ø¶ÔÖµËÍÈëDARµ¥Ôª,Ç뽫¿Õ°×´¦¸÷ÌîÉÏÒ»ÌõÖ¸Áî¡£

BUFF DW ¡Á¡Á¡Á¡Á DAR DW ?

? ? ?

MOV AX£¬BUFF

JZ NEXT

NEXT: MOV DAR,AX

¹²28Ò³ µÚ 22 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

ËÄ¡¢±à³ÌÌâ

1.±àÒ»³ÌÐò¶Î½«BUF×Ö½Úµ¥ÔªÖеÄÊý²ð³É¸ßµÍËÄ룬²¢ÇÒ½«·ÖÀë³öµÄ¸ßËÄλºÍµÍËÄλ·Ö±ð·ÅÓÚBUF+1ºÍBUF+2×Ö½Úµ¥ÔªµÄµÍËÄλÉÏ¡£ D:\\ZQL>type exp11.asm

DATA SEGMENT BUF DB 34H,?,? CODE SEGMENT

ASSUME CS:CODE,DS:DATA START:MOV AX,DATA MOV DS,AX MOV AL,BUF ·½·¨¶þ: MOV CL,4 MOV AL,BUF SHR AL,CL MOV BUF+2,AL MOV BUF+1,AL AND BUF+2,0FH MOV AL,BUF MOV CL,4 AND AL,0FH SHR AL,CL MOV BUF+2,AL MOV BUF+1,AL MOV AH,4CH INT 21H CODE ENDS END START

2.±àÖÆÒ»×Ó³ÌÐò£¬½«ALÖÐһλʮÁù½øÖÆÊýת»»Îª¶ÔÓ¦µÄASCIIÂë²¢ÓÃ2ºÅDOS¹¦Äܵ÷ÓÃÏÔʾ³öÀ´£¬ÊäÈë²ÎÊý£º±»×ª»»µÄÊ®Áù½øÖÆÊýÒÑÔÚALÖС£ ·½·¨Ò»£º ·½·¨¶þ£º D:\\ZQL>type exp12.asm CODE SEGMENT CODE SEGMENT ASSUME CS:CODE ASSUME CS:CODE START:MOV AL,05H START:MOV AL,0DH CALL Liuweipei CALL Liuweipei MOV AH,4CH MOV AH,4CH INT 21H INT 21H Liuweipei PROC Liuweipei PROC CMP AL,10 CMP AL,10 JC K1 JC K1 ADD AL,37H ADD AL,7 JMP L2 K1: ADD AL,30H K1: ADD AL,30H MOV DL,AL L2: MOV DL,AL MOV AH,2 MOV AH,2 INT 21H INT 21H RET RET Liuweipei ENDP Liuweipei ENDP CODE ENDS CODE ENDS END START END START ¹²28Ò³ µÚ 23 Ò³

34H 03H 04H BUF BUF+1 BUF+2 »ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

3.ÓÃ×Ö·û´®Ö¸Áî±àÖÆÒ»³ÌÐò¶Î,°ÑÒÔDAT1ΪÊ×µØÖ·µÄÊý¾ÝÇøÖеÄ50¸ö×Ö½ÚÊý¾ÝÒÀ´Î´«Ë͵½ÒÔDAT2ΪÊ×µØÖ·µÄÊý¾ÝÇøÖС£ÒªÇó:ÔÚ³ÌÐòÖа´µØÖ·µÝÔö·½Ê½½øÐÐÊý¾Ý´«ËÍ¡£ CLD

MOV CX,50 LEA SI,DAT1 LEA DI,DAT2 REP MOVSB

4.ÔÚÒÔBlockΪÊ×µØÖ·µÄ×Ö½Úµ¥ÔªÖУ¬´æ·ÅÁË06¼ÆËã(1)°àµÄѧÉú¿¼ÊԳɼ¨¡£ÊÔ±àÖÆÒ»³ÌÐò£¬ÀûÓÃѧÉúµÄÐòºÅÀ´²é±íµÃµ½¸ÃѧÉúµÄ³É¼¨£¬ÉèѧÉúµÄÐòºÅÔÚNUMBERµ¥Ôª£¬²é±í½á¹û´æÈëRESULTµ¥ÔªÖС£ DATA SEGMENT

Block DB X1, X2, X3,??£¬X50 NUMBER DB X RESULT DB ?

Ïà¹ØÖªÊ¶¼û59Ãæ DATA ENDS

CODE SEGMENT

ASSUME CS:CODE,DS:DATA START: MOV AX,DATA MOV DS,AX LEA BX, Block

MOV AL, NUMBER XLAT

MOV RESULT, AL

MOV AH,4CH

INT 21H

CODE ENDS

END START 5.ÔÚÄϲýÊеĺþ·»Ï磬ԼÓÐÈË¿Ú45000 £¬ÊÔ±àдһ³ÌÐòͳ¼ÆÒ»Ï¸ÃÏ糬¹ý100ËêÒÔÉϵÄÀÏÈËÓжàÉÙ£¬²¢½«Í³¼Æ½á¹û´æ·ÅÔÚSUMµ¥ÔªÖС£

DATA SEGMENT

AGE DB 25,31,6,101,90,71,116, ¡­ ºÍ´òÓ¡³öµÄµÚ5ÕµÚËÄCONT EQU $-AGE ´óÌâµÄµÚ3СÌâÒ»Ñù£¡ SUM DB ? DATA ENDS CODE SEGMENT

ASSUME CS:CODE,DS:DATA NEXT: INC BX START: MOV AX,DATA LOOP LOP MOV DS,AX MOV AH,4CH MOV CX,CONT INT 21H MOV BX,0 CODE ENDS LOP: CMP AGE[BX],100 END START JB NEXT INC SUM

¹²28Ò³ µÚ 24 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

6.ÉèÓÐDX:AX¹¹³ÉÒ»¸ö32λÊý¾Ý,´ÓAXµÄµÍλ(µÚ0λ)¿ªÊ¼,ÖðλÏò¸ßλºÍDXÖÃ1,ÖÃ1µÄ¸öÊýÓÉCXµÄÄÚÈÝÈ·¶¨( ÒÑÖª CX<32 )¡£ÊÔ±àÖÆÒ»³ÌÐò¶Î,ʵÏÖÉÏÊöÒªÇó¡£ XOR AX,AX

XOR DX,DX CF D15 DX D0 CF D15 AX D0 LOP: STC RCL AX,1 RCL DX,1 LOOP LOP

7.±àд³ÌÐò¶Î£¬ÓÃDOSµÄ1ºÅ¹¦Äܵ÷ÓÃͨ¹ý¼üÅÌÊäÈëÒ»×Ö·û£¬²¢ÅжÏÊäÈëµÄ×Ö·û¡£Èç×Ö·ûÊÇ¡°Y¡±£¬ÔòתÏòYES³ÌÐò¶Î£»Èç×Ö·ûÊÇ¡°N¡±£¬ÔòתÏòNO³ÌÐò¶Î£»Èç¹ûÊÇÆäËü×Ö·û£¬ÔòתÏòDOS¹¦Äܵ÷Óã¬ÖØÐÂÊäÈë×Ö·û¡£(¿¼ÉúÎðÐèд³öÔ´³ÌÐò¸ñʽ£¬Ö»Ðèд³öÓëÊÔÌâÒªÇóÓйصÄÖ¸ÁîÐòÁÐ) KEY:MOV AH,1 (YESºÍNO·Ö±ðÊÇÁ½³ÌÐò¶ÎÈë¿Ú´¦µÄ±êºÅ) INT 21H

CMP AL,¡®Y¡¯ JE YES

CMP AL,¡®N¡¯ JE NO JMP KEY

8. ÔÚÒÔSTRINGΪÊ×µØÖ·µÄ´æ´¢ÇøÓò´æ·ÅÁËÒ»¸ö×Ö·û´®,´®µÄ³¤¶ÈΪ50,²éÕÒÆäÖÐÊÇ·ñÓÐ

×Ö·û$,ÈôÓн«SIGNµ¥ÔªÖÃ1,·´Ö®,½«SIGNµ¥ÔªÖÃ0(Ö»Ðèд³öÓйصÄÖ¸ÁîÐòÁÐ)

(1) ÓñȽÏÌõ¼þ×ªÒÆÖ¸ÁîʵÏÖ¡£ (2)ÓÃÖØ¸´²Ù×÷ǰ׺´®ËÑË÷Ö¸ÁîʵÏÖ¡£

(1) MOV CX,50 (2) MOV CX,50 MOV BX,0 LEA DI,STRING

N: CMP STRING[BX],¡¯$¡¯ CLD

JZ DONE MOV AL,¡¯$¡¯

INC BX REPNE SCASB

LOOP N JZ DONE

MOV SIGN,0 MOV SIGN,0 JMP EXIT0 JMP EXIT0 DONE: MOV SIGN,1 DONE: MOV SIGN,1 EXIT0: HLT EXIT0: HLT

¹²28Ò³ µÚ 25 Ò³

DI STRING A B C $ D ¡­¡­ »ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

9. ´Ó¼üÅ̽ÓÊÕÒ»¸ö4λʮ½øÖÆÊý¾Ý£¬²¢½«Æä´æÈëASCII»º³åÇø£¬ÈôÊäÈë³ö´í£¬Ôòµ÷ÓÃ×Ó³ÌÐòÊä³ö³ö´íÐÅÏ¢£¬ÌáÊ¾ÖØÐÂÊäÈ룬ÊÔ±àдһ³ÌÐòÍê³ÉÉÏÊö¹¦ÄÜ¡£

DATA SEGMENT

ASCII DB 4 DUP(?) SIGN DB ¡®Input error,Repeat! $¡¯ ºÍ´òÓ¡³öµÄµÚ7ÕÂDATA ENDS ³ÌÐòÉè¼ÆÌâÒ»Ñù£¡ CODE SEGMENT

ASSUME CS:CODE,DS:DATA ÈôÊäÈ룺3456 START: MOV AX,DATA DONE: CALL OUTPUT MOV DS,AX JMP NEXT LEA SI,ASCII OUTPUT PROC ASCII 33H MOV CX,4 PUSH CX NEXT: MOV AH,01H LEA DX,SIGN 34H INT 21H MOV AH,09H CMP AL,30H INT 21H 35H JB DONE POP CX CMP AL,39H RET 36H JA DONE OUTPUT ENDP MOV [SI],AL CODE ENDS INC SI END START LOOP NEXT MOV AH,4CH INT 21H

SI

Ô´³ÌÐò£º

DATA SEGMENT 10.±àдһÍêÕûÔ´³ÌÐò,½«M1ÖÐM1 DB ¡Á¡Á µÄ¶þ½øÖÆÊý°´Î»µ¹ÅÅËÍM2ÖÐ,¼´M2 DB ? M1µÚ0λËÍM2µÚ7λ,M1µÚ1DATA ENDS λËÍM2µÚ6λ,ÒÀ´ÎÀàÍÆ¡£ CODE SEGMENT

Êý¾Ý¶ÎÈçÏ£º ASSUME CS:CODE,DS:DATA

DATA SEGMENT START:MOV AX,DATA

MOV DS,AX

M1 DB YY£»ÈÎÒ»×Ö½ÚÊý MOV CX,8

M2 DB £¿ MOV AL,M1

XOR AH,AH DATA ENDS LOP: SAL AL,1

RCR AH,1 D7 D0 LOOP LOP M1: 1 0 1 0 1 0 1 1 MOV M2,AH

MOV AH,4CH D7 D0 INT 21H M2: 1 1 0 1 0 1 0 1 CODE ENDS

END START

¹²28Ò³ µÚ 26 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

11.ÔÚÊý¾Ý¶ÎÖУ¬WEEKÊÇÐÇÆÚÒ»¡«ÐÇÆÚÈÕµÄÓ¢ÎÄËõд£¬DAYµ¥ÔªÖÐÓÐÊý1¡«7(1 ±íʾÐÇÆÚÒ»£¬7±íʾÐÇÆÚÈÕ)£º

WEEK DB ¡®MON¡¯, ¡®TUE¡¯, ¡®WED¡¯, ¡®THU¡¯, ¡®FRI¡¯, ¡®SAT¡¯, ¡®SUN¡¯ DAY DB X ; Êý×Ö1¡«7

ÊÔ±àдһԴ³ÌÐò£¬¸ù¾ÝDAYµÄÄÚÈÝÓõ¥¸ö×Ö·ûÏÔʾ¹¦Äܵ÷ÓÃ(2ºÅ¹¦ÄÜ)È¥ÏÔʾ¶ÔÓ¦µÄÓ¢ÎÄËõд¡£ Ô´³ÌÐò:

DATA SEGMENT

WEEK DB ¡®MON¡¯, ¡®TUE¡¯, ¡®WED¡¯, ¡®THU¡¯, ¡®FRI¡¯, ¡®SAT¡¯, ¡®SUN¡¯ DAY DB X DATA ENDS LOP: MOV DL,WEEK[BX] CODE SEGMENT MOV AH,02H ASSUME CS:CODE,DS:DATA INT 21H START:MOV AX,DATA INC BX MOV DS,AX LOOP LOP XOR BX,BX MOV AH,4CH MOV BL,DAY INT 21H DEC BL CODE ENDS MOV AL,BL END START SAL BL,1 ADD BL,AL MOV CX,3

12.ÊÔ±àÖÆÒ»³ÌÐò¶Î,Óô®²Ù×÷Ö¸ÁîSTOSBʵÏÖÏòDAÊý¾ÝÇøÒÀ´ÎÏà¼ä´æ·Å×Öĸ×Ö·ûA,B,

C,??JºÍÊý×Ö×Ö·û0¡«9,Ïà¼ä˳ÐòÊÇ:A,0,B,1,C,2,?,I,8,J,9(ÉèDAÊý¾ÝÇøËùÔÚ¶ÎÒÑÓÉESÖ¸Ïò) Ô´³ÌÐò£º MOV AL£¬¡®A¡¯

MOV AH£¬¡®0¡¯

ES DI LEA DI£¬DA DA A MOV CX£¬20 0 CLD B LOP£ºSTOSB; (DI) AL DI DI+1 1 INC AL C XCHG AL£¬AH 2 LOOP LOP ??

¹²28Ò³ µÚ 27 Ò³

»ã±àÓïÑÔ³ÌÐòÉè¼Æ ×ۺϸ´Ï°

13.ÔÚÊ×µØÖ·ÎªTABµÄÊý×éÖа´µÝÔö´ÎÐò´æ·Å×Å100¸öÊý,ÊÔ±à³Ì½«³öÏÖ´ÎÊý×î¶àµÄÊýÒÔ¼°³öÏֵĴÎÊý·Ö±ð´æ·ÅÓÚ±äÁ¿NUMºÍCOUNTÖÐ,²¢ÒÔ£º COUNT=? µÄÐÎʽÊä³öCOUNTµÄÖµ(Éè×î¶àÖØ¸´´ÎÊý<10) DATA SEGMENT

BUF DB 1,2,14H,14H,14H,14H,14H,15H,15H,15H,15H,59H LEN =$-BUF NUM DB ? COUNT DB 0

MM DB 'COUNT=','$' DATA ENDS

CODE SEGMENT

ASSUME CS:CODE,DS:DATA START:MOV AX,DATA MOV DS,AX MOV SI,0 MOV CX,LEN MOV BL,0

A: MOV AL,BUF[SI] CMP AL,BUF[SI+1] JNE KL1 INC BL MOV BH,AL JMP KL2

KL1:CMP COUNT,BL JAE L2 ×¢ÒâºÍ½Ì²Ä MOV COUNT,BL P1065.6±È½Ï MOV NUM,BH L2: MOV BL,0 KL2:INC SI LOOP A INC COUNT LEA DX,MM MOV AH,9 INT 21H

MOV DL,COUNT ADD DL,30H MOV AH,2 INT 21H MOV AH,4CH INT 21H CODE ENDS

END START

¹²28Ò³ µÚ 28 Ò³