Article View: comp.sys.amiga.tech
Article #3706Re: MC68881/2 Support
From: Valentin Pepelea
Date: Fri, 01 Jun 1990 02:58
Date: Fri, 01 Jun 1990 02:58
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1364 bytes
In article <1183@metaphor.Metaphor.COM> djh@dragon.metaphor.com (Dallas J.
Hodgson) writes:
>
>Hmm, The Sun 3/50's used to trap out thru Unix for their FFP instructions if
>no comprocessor was present, and Unix has a much higher overhead than
>AmigaDOS.
Unix has a higher overhead than AmigaDOS because it traps on every OS call.
(the occasional implementation migh differr) When it comes to emulating F-line
instructions, the overhead incurred by Unix or AmigaDOS would be the same.
Valentin
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<12054@cbmvax.commodore.com>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!brutus.cs.uiuc.edu!psuvax1!rutgers!cbmvax!valentinReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!zaphod.mps.ohio-state.edu!brutus.cs.uiuc.edu!psuvax1!rutgers!cbmvax!valentin From: valentin@cbmvax.commodore.com (Valentin Pepelea) Newsgroups: comp.sys.amiga.tech Subject: Re: MC68881/2 Support Message-ID: <12054@cbmvax.commodore.com> Date: 1 Jun 90 02:58:40 GMT References: <1181@metaphor.Metaphor.COM> <11996@cbmvax.commodore.com> <1183@metaphor.Metaphor.COM> Reply-To: valentin@cbmvax (Valentin Pepelea) Organization: Commodore, West Chester, PA Lines: 17