[GEM Development] LongGEM is looooooong

Liam Proven lproven at gmail.com
Sat Aug 18 07:32:15 PDT 2012


On 18 August 2012 00:01, John Elliott <jce at seasip.demon.co.uk> wrote:
>   One of the drivers in GEM that I've never been able to test is for an
> 'MDSI Genius' card. Tonight I tried patching support for this card into
> a PC emulator, and running GEM (and Windows 1) with the results.
>
>   <http://www.seasip.info/Gem/History/longgem.png> - GEM/2 desktop
>   <http://www.seasip.info/Gem/History/longwin1.png> - Windows 1.04
>
>   According to reviews, the card could also do other tricks; it could
> superimpose MDA-style text on the graphics output, and do a dual-head sort of
> display with MDA text in the top half of the monitor and CGA graphics in the
> bottom. But without any documentation or its DOS driver (VHRBIOS.SYS), how
> it did those will remain a mystery. Such information as I have managed to
> glean is at <http://www.seasip.info/VintagePC/mdsi_genius.html>.

Mind if I repost this to the ClassicCmp mailing list, by the way? I
think they might enjoy it.

Will remove email addresses if desired.

-- 
Liam Proven • Profile: http://lproven.livejournal.com/profile
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