The MDA was a text only adapter.  The HGC was the first to implement
any dot addressable graphics with the mono hardware.

FWIW, they both used the same CRTC (as does the CGA), they just program
it differently.  The 6842 I believe was the CRTC.

--Perry

> 
> On Mon, 17 May 1999, Greg Haerr wrote:
> 
> > >  1. IBM MDA.
> >     no graphics support...
> 
> Ummmmmm, are you sure?  We used to run windows 3.0 on amber monochrome
> monitors at college.
> 
> Davey
> 


-- 
Perry Harrington       Linux rules all OSes.    APSoft      ()
email: [EMAIL PROTECTED]                         Think Blue. /\

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