Assembly Language Programming cs.uns.edu.pdf

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1、CA225AssemblyLanguageProgramminghttp://www.computing.dcu.ie/%7Eray/CA225.htmlCA225AssemblyLanguageProgramminghttp://www.computing.dcu.ie/%7Eray/CA225.htmlPASSINGPARAMETERSTHROUGHTHESTACKPARTOne80x86AssemblyLanguageProgrammingListing6:Proc3.asmPARTTwoIntroductiontoMIPSProgrammin

2、gMACROS(inTurboAssembler)RecommendedTexts:MacroswithParametersSargent,Murray.-Thepersonalcomputerfromtheinsideout/MurraySargentFILESANDHOWTOUSETHEMFunction3Dh:openfileIIIandRich.-Rev.ed.-Reading,Mass:Addison-WesleyPub.Co,1986.-Function3Eh:closefile0201069180Function3Fh:readfile

3、/deviceWaldron,John,1964-.-IntroductiontoRISCassemblylanguageprogrammingListing7:READFILE.ASM/JohnWaldron.-Harlow,England:Function3Ch:CreateFileAddison-Wesley,1999.-0201398281OVERVIEWOFTHE80x86FAMILYWhyAssemblyLanguage?REPRESENTATIONOFNUMBERSINBINARYOVERVIEWOFTHE80x86FAMILYREGI

4、STERS--------------------------------------------------GeneralPurposeRegsIndexRegistersStackRegisterThe80x86familywasfirststartedin1981withthe8086andthenewestSEGMENTSANDOFFSETSmemberisthePentiumwhichwasreleasedthirteenyearslaterin1994.THESTACKTheyareallbackwardscompatiblewithea

5、chotherbuteachnewgenerationINTRODUCTIONTOASSEMBLYhasaddedfeaturesandmorespeedthanthepreviouschip.TodaythereareveryPUSHANDPOPTYPESOFOPERANDfewcomputersinusethathavethe8088and8086chipsinthemastheyareSOMEUSEFULINSTRUCTIONSveryoutdatedandslow.Thereareafew286'sbuttheirnumbersaredecl

6、iningMOVINTADDSUBastoday'ssoftwarebecomesmoreandmoredemanding.Eventhe386,Intel'sMULIMULDIVIDIVfirst32-bitCPU,isnowdeclininganditseemsthatthe486isnowtheentryWHATAREMEMORYMODELSlevelsystem.TinySmallMediumLargeFlatWhyAssemblyLanguage?BASICASSEMBLYPROGRAMListing1:1stProgram.asmCOMP

7、ILATIONINSTRUCTIONSMAKINGTHINGSEASIERAnoldjokegoessomethinglikethis:"TherearethreereasonsforusingassemblyKEYBOARDINPUTlanguage:speed,speed,andmorespeed."EventhosewhoabsolutelyhateassemblyPRINTINGACHARACTERlanguagewilladmitthatifspeedisyourprimaryconcern,assemblylanguageistheLis

8、ting2:waytogo.Assemblylanguagehasseveralbenefits:DOSIn