Microprogramming- A Tutorial and Survey of Recent Developments

Microprogramming- A Tutorial and Survey of Recent Developments

ID:40390830

大小:4.33 MB

页数:19页

时间:2019-08-01

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1、2IEEETRANSACTIONSONCOMPUTERS,VOL.C-29,NO.1,JANUARY1980Microprogramming:ATutorialandSurveyofRecentDevelopmentsTOMLINSONG.RAUSCHER,MEMBER,IEEE,ANDPHILLIPM.ADAMSAbstract-Thepresentstatusofmicroprogrammingisdeveloped...considerthecontrolproper,thatis,thepartofthefromWilkes'sinitialconceptofmicroprogram

2、mingtothemoremachinewhichsuppliesthepulsesforoperatingthegatesrecentbit-slicemicroprogrammablecomputercomponents.Thisassociatedwiththearithmeticalandcontrolregisters.Thetutorialdefinesbasicconceptsandgivesasimpleexampleofmachinedesignerofthispartofamachineusuallyproceedsinanadlanguageinterpretation

3、.Describingthecharacteristicsofmicro-hocmanner,drawingblockdiagramsuntilheseesanprogrammedmachinesprovidesthebackgroundforanexaminationarrangementwhichsatisfieshisrequirementsandappearstoofmicroprogrammablebitslicemicroprocessors,themostsignificantcommercialdevelopmentsincetheprevioussurveypaperber

4、easonablyeconomical.Iwouldliketosuggestawayin[3].Thedescriptionsofrecentapplicationsofmicroprogrammingwhichthecontrolcanbemadesystematic,andthereforelessindicatethepotentialformicroprogramuseinseveralareas.Acomplex.substantialbibliographydirectstheinterestedreadertodetailsinEachoperationcalledforby

5、anorderintheordercodeofmanyaspectsofmicroprogramming.themachineinvolvesasequenceofstepswhichmayincludetransfersfromthestoretocontrolorarithmeticalregisters,IndexTerms-Bitslicemicroprocessors,dynamicmicro-orviceversa,andtransfersfromoneregistertoanother.programming,microprogrammability,microprogramm

6、ingapplica-Eachofthesestepsisachievedbypulsingcertainofthewirestions.associatedwiththecontrolandarithmeticalregisters,andII.INTRODUCTIONwillrefertoitasa"micro-operation."EachtruemachineoperationisthusmadeupofasequenceorFROMtimetotimeitisappropriatetoreviewthe"microprogramme"ofmicro-operations.funda

7、mentalsofadevelopingdisciplinesuchasmicro-Fig.4(Fig.1)showsthewayinwhichpulsesforprogramming,andtoexaminethestateofthearttotakeperformingthemicro-operationsmaybegenerated.Thestockofrecentdevelopmentsinthera

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