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- Path: comma.rhein.de!serpens!not-for-mail
- From: mlelstv@serpens.rhein.de (Michael van Elst)
- Newsgroups: comp.sys.amiga.hardware,comp.sys.amiga.misc
- Subject: Re: Alpha for A4000/3000 ???
- Date: 14 Mar 1996 00:35:56 +0100
- Organization: dis-
- Message-ID: <4i7m4s$cbc@serpens.rhein.de>
- References: <Pine.SGI.3.91.960228010747.11624C-100000@tvdcomm.gsfc.nasa.gov> <4hn7sh$fc4@news.rhrz.uni-bonn.de> <4hp0bf$cac@serpens.rhein.de> <19960313.7B35B30.DBAF@asd01-14.dial.xs4all.nl>
- NNTP-Posting-Host: serpens.rhein.de
-
- jtv@asd03-21.dial.xs4all.nl (Jeroen T. Vermeulen) writes:
-
- >> No. It is just generally fast, and thus fast when emulating other processors.
-
- >for short). Porting an OS should be easier this way, as you can adapt the PAL
- >to behave like the processor model your OS was designed for (this is where you
- >could implement stuff like the 68k condition code register or x86 segments).
-
- Since PALcode just uses conventional instructions you would write just the same
- code to emulate condition codes or segments registers.
-
- >registers, 32 fp). Trap barrier instructions can help emulate more precise
- >exception models where necessary.
-
- You mean the ability to write an emulator is an advantage for writing an emulator.
-
- >numbers is well-defined from the beginning. Current implementations support
- >both IEEE and VAX floating point, but other Alpha chips may drop either (or
- >both). The VAX fp was included to help DEC's older clients migrate.
-
- And now support 80bit extended precision IEEE.
-
- > - Their UNIX is based on a microkernel, with different "tastes" of UNIX
- > implemented as layers on top of its API.
-
- Obviously a true sign of an hardware architecture that supports emulation of
- other CPUs. *geesh*
-
- >single bug in Intels compiler. So yes, the Alpha can still be that much faster
- >in reality yet have a lower SPEC rating.
-
- Did you want to say something ?
- --
- Michael van Elst
-
- Internet: mlelstv@serpens.rhein.de
- "A potential Snark may lurk in every tree."
-