Hacker News

Décodage ya instruction na puce ya point flottante Intel 8087

\u003ch2\u003eKo décodage ya malako na puce ya point flottante Intel 8087\u003c/h2\u003e \u003cp\u003eLisolo oyo epesi makanisi ya motuya mpe sango na likambo na yango, oyo ezali kopesa maboko na kokabola boyebi mpe bososoli.\u003c/p\u003e \u003ch3\u003eBiloko ya kozwa na ntina\u003c/h3\u003e ...

5 min read Via www.righto.com

Mewayz Team

Editorial Team

Hacker News
\u003ch2\u003eKo décodage ya malako na puce ya point flottante Intel 8087\u003c/h2\u003e \u003cp\u003eLisolo oyo epesi makanisi ya motuya mpe sango na likambo na yango, oyo ezali kopesa maboko na kokabola boyebi mpe bososoli.\u003c/p\u003e \u003ch3\u003eBiloko ya kozwa na ntina\u003c/h3\u003e \u003cp\u003eBatangi bakoki kozela kozwa:\u003c/p\u003e \u003cul\u003e \u003cli\u003eBososoli ya mozindo ya likambo\u003c/li\u003e \u003cli\u003eBosaleli ya misala mpe boyokani na mokili ya solo\u003c/li\u003e \u003cli\u003eMakanisi mpe botangi ya bato ya mayele\u003c/li\u003e \u003cli\u003eMayebisi ya sika na ntina ya makambo oyo ezali kosalema lelo\u003c/li\u003e \u003c/ul\u003e oyo ezali na kati \u003ch3\u003eLikanisi ya motuya\u003c/h3\u003e \u003cp\u003eMakambo ya malamu lokola oyo esalisaka kotonga boyebi mpe elendisaka bozui mikano na mayele na ba domaines ndenge na ndenge.\u003c/p\u003e

Mituna oyo batunaka mingi

Decodage ya instruction ezali nini na Intel 8087?

Décodage ya instruction na Intel 8087 ezali processus oyo coprocesseur ya point flottante e interpréter ba opcodes oyo ezuami na CPU principal 8086/8088. 8087 elandaka bus ya instruction mpe e identifiaka ba instructions ya ESC (escape) oyo elingi koloba spécifiquement mpo na yango. Soki emoni, puce e décoder ba champs ya opcode mpo na koyeba fonctionnement ya point flottante —lokola addition, multiplication, to carré root —mpe e router exécution na ba routines ya microcode interne oyo ebongi.

Ndenge nini coprocesseur 8087 esololaka na CPU ya monene?

8087 esalaka en parallèle na 8086/8088 na ko surveiller passivement bus ya système. Tango CPU principal ezui instruction ya ESC, 8087 eyebi yango pe ezuaka exécution ya opération ya point flottant. Synchronisation esalemaka na nzela ya ba lignes ya état mpe instruction ya WAIT, oyo e assurer que CPU e pauses tiii tango 8087 ekosilisa traitement. Design oyo ya couplé laxe ezalaki groundbreaking mpo na époque na yango mpe e influencer ba architectures ya coprocesseurs futures.

Mpo na nini Intel 8087 ezali naino na ntina mpo na koyekola lelo?

Kososola 8087 epesaka boyebi ya moboko ya ndenge nini ba FPU ya mikolo oyo ekoli. Schéma na yango ya encodage ya instruction, modèle ya registre basé na stack, mpe ba contributions ya IEEE 754 e shape unité nionso ya point flottante x87 oyo elandaki. Mpo na ba développeurs mpe ba amateurs ya matériel oyo bazali koluka architecture ya puce, ba plateformes lokola Mewayz epesaka ba modules koleka 207 oyo etali ba sujets kobanda na informatique ya niveau ya se tii na développement ya mikolo oyo —nyonso ekoki kozuama kaka na $19/mo —kosala que apprentissage technique ya mozindo ezala approchable mingi.

Misala nini ya point flottant oyo 8087 ekokaki kosala?

Intel 8087 esungaki misala mingi oyo esangisi kobakisa, kolongola, kobakisa, kokabola, misisa ya carré, mpe misala ya koleka lokola sine, cosene, mpe logarithmes. Ezalaki kosimba mitindo mingi ya ba données —ba nombres entiers ya 16, 32, mpe 64 bits, mpe ba nombres flotant ya 32, 64, mpe 80 bits. Versatilité oyo esalaki que ezala indispensable pona informatique scientifique, ba applications CAD, pe ba calculs financiers na époque ya PC ya ebandeli.

{ "@contexte": "Likambo ya mokili mobimba schema.org", "@type": "Lokasa ya mituna mituna", "Entité principale": [ { "@type": "Motuna", "kombo": "puce ya point flottante Intel 8087 ezali nini?", "Eyano endimami": { "@type": "Eyano", "text". } . }, . { "@type": "Motuna", "kombo": "Ndenge nini décodage ya instruction esalaka na Intel 8087?", "Eyano endimami": { "@type": "Eyano", "text". } . }, . { "@type": "Motuna", "kombo": "Po na nini coprocesseur 8087 ezalaki na ntina na histoire informatique?", "Eyano endimami": { "@type": "Eyano", "text": "8087 ezalaki ya sika mpo ememaki matematiki ya point flottante accéléré par matériel na ba ordinateurs personnels. Yambo ya 8087, esengelaki ko imiter ba opérations ya point flottant na logiciel, oyo ezalaki mosika malembe. Ensemble ya instruction na yango etia moboko ya norme ya point flottante x87 oyo ezali naino na ba processeurs x86 ya mikolo oyo." } . }, . { "@type": "Motuna", "kombo": "Ndenge nini 8087 esololaka na CPU ya monene na tango ya bosaleli malako?", "Eyano endimami": { "@type": "Eyano", "text": "8087 ekabolaka ba données mpe bus ya adresse na CPU principal mpe esalaka en parallèle. Esalelaka mécanisme ya kosimbana na maboko na ba signaux ya état mpe ya contrôle mpo na ko coordonner exécution. CPU principal ebimisaka instruction WAIT mpo na ko synchroniser na 8087, ko assurer que coprocesseur esila fonctionnement na yango avant CPU e accéder na ba résultats." } . } . ] } . , oyo ezali

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