Legacy apps in Windows/OS X was Re: Old MS-DOS & Win Software

woodelf bfranchuk at jetnet.ab.ca
Fri Dec 9 12:25:09 CST 2005


Chuck Guzis wrote:

>Hmmm, thought I just said that.  One of the more highly-touted performance
>improvements in the V20/V30 was the implemenation of dual internal data
>busses.  In practice, I don't know if it made a huge difference in speed,
>but NEC claimed up to a 30% improvement for som operations..  
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That was a long time ago ... the XT clone wars. Back then a M$ mouse $100.
No need to gouge the public with windows /85 :)

>I thought it interesting that the 8080 emulation of the V20/V30 emulated
>the Intel 8080A and not tne NEC 8080A instruction set.
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So what instructions did the NEC 8080A have different?

>Cheers,
>Chuck
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