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Article #894Re: x86 i risc
From: PioM
Date: Mon, 18 Dec 2006 23:09
Date: Mon, 18 Dec 2006 23:09
21 lines
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1752 bytes
> Teoretycznie do dzialania komputerow wystarczyly by rozkazy podobne do > RISC: > > 1: add,div,pow,sin,sqrt,mul,sub,cmp > 2: shr,shl, ror,rol,not,and,or,xor > 3: jnz,jz,jb,ja,jc,jmp,call,ret > 4: mov,in,out > prefixy: 8 bits, 16 bits,(24 bits,)32 bits,64 bits,128 bits, 256 > bits,[absolute address],[relative address],relative address,absolute > address,immediate (zmodifikowany relative 0 offset z dodatkowym > przesunieciem), > > prefix1,prefix2,instrukcja,sufix1,sufix2 prefix1,prefix2,...,prefixn,instrukcja,sufix1,sufix2 > Rejestry nie sa konieczne (potrzebne). Mozna rezerwowac pamiec np. > 00000000-00000nnn dla "rejestrow". > > x86 jest chaotyczny i nieuporzadkowany. Moze ma jeszcze jakas ukryta > "warstwe" rozkazow?
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!mat.uni.torun.pl!news.man.torun.pl!newsfeed.pionier.net.pl!news.nask.pl!news.nask.org.pl!newsfeed.tpinternet.pl!atlantis.news.tpi.pl!news.tpi.pl!not-for-mail From: "PioM" <piotrmarasz@hotmail.com> Newsgroups: pl.comp.lang.asm Subject: Re: x86 i risc Date: Tue, 19 Dec 2006 00:09:39 +0100 Organization: tp.internet - http://www.tpi.pl/ Lines: 23 Message-ID: <em774i$asm$1@atlantis.news.tpi.pl> References: <em76n5$9d6$1@atlantis.news.tpi.pl> NNTP-Posting-Host: eot154.internetdsl.tpnet.pl X-Trace: atlantis.news.tpi.pl 1166483411 11158 83.15.231.154 (18 Dec 2006 23:10:11 GMT) X-Complaints-To: usenet@tpi.pl NNTP-Posting-Date: Mon, 18 Dec 2006 23:10:11 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-RFC2646: Format=Flowed; Response MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit