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- From: bsb@hpuerca.atl.hp.com (Brett Baumberger)
- Subject: Re: Does SoftPC run, walk or step on an HP7xx?
- Message-ID: <By0pFH.Jrn@hpuerca.atl.hp.com>
- Date: Fri, 20 Nov 1992 13:57:16 GMT
- References: <1992Nov5.050537.20276@ccu1.aukuni.ac.nz>
- Organization: Hewlett-Packard NARC Atlanta
- Lines: 25
-
- In <1992Nov5.050537.20276@ccu1.aukuni.ac.nz> nholford@ccu1.aukuni.ac.nz (Nick Holford) writes:
-
- >I executed a PC number crunching program on a Mac II using SoftPC and
- >discovered a single step debugging tool :-)
- >Can anyone tell me what numeric co-pro intensive DOS progs do on an
- >HP730?
- >Is it like an 8086 (no co-pro 4.77 Mhz) or an 80486 (66 Mhz)?
- >--
-
- >Nick Holford, Dept Pharmacology & Clinical Pharmacology
- >University of Auckland, Auckland, New Zealand
- >INTERNET: n.holford@aukuni.ac.nz
-
- On an HP 720 and an HP 750, I have executed a fortran program that was
- compiled to take advantage of the presence of an 8087 math co-proc.
- So, minimally, it does 8087 instruction emulation. Since SoftPC emulates
- an 80826, I expect that it would do 80287 emulation as well.
-
- SoftPC does floating point very fast. The fortran program I ran used to
- take 4 minutes on a PC XT (4.77 MHz). On SoftPC, it took 2 seconds.
- However, graphics performance leaves much to be desired.
-
- Brett Baumberger
- SoftPC Support
-
-