8088 vs. 80c88
ajp166 at bellatlantic.net
Sun Feb 22 21:17:32 CST 2009
>Subject: Re: 8088 vs. 80c88
> From: "bfranchuk at jetnet.ab.ca" <bfranchuk at jetnet.ab.ca>
> Date: Sun, 22 Feb 2009 18:54:49 -0700
> To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org>
>Chuck Guzis wrote:
>> On 21 Feb 2009 at 15:09, Les Hildenbrandt wrote:
>>>> The problem with the V20's 8080 emulation was that it was buggy (I
>>>> have a few MicroNotes on the subject and can even claim to have
>>>> discovered one of the bugs).
>>> I wonder if it was only cetain chips. I ran cp/m 80 on a v20 for years.
I also ran it on V20 inserted in the Leading Edge model D, not only did it help
dos level stuff by a few percent it ran every thing 8080 I'd thrown at it.
>> Try running a program in CP/M with JRT Pascal 1.0 on a V20. CPU bugs
>> can be very subtle.
Your kidding tight? ;)
JRT pascal was fairly buggy itself and it was till arond V3 that it stopped being
>Well what are the bugs?
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