🚀 go-pugleaf

In article <368@omepd> perry@inteloa.intel.com (Perry The Cynic) writes:
>In article <1929@uw-june.UUCP> roper@uw-june.UUCP (Michael Roper) writes:
>>Can anyone recommend a good reference book providing in-depth
>>programming information for the various video controller types?  I am
>>looking for something in the style and price range of say, Norton's book
>>or Advanced MS-DOS (as opposed to the Options and Adapters Manual).
>>It should do a thorough job of sorting out the current state-of-affairs
>>in video adapters, especially the various EGA and PGA standards -- which 
>>are given the short shrift in both of the aforementioned books. 

  In not quite the same line as the above (but close), does anyone
out there know how to use the Tecmar Graphics Master's 640x400 16 color
mode.  I can get things that are sort of similar to what ACAD produces,
but only on a portion (about a quarter), of the screen.  What I can get,
I get by playing directly with the 6845 registers, and screen memory,
but I am not sure if I have just not stumbled accross the right
combination yet, or am looking in totaly the wrong direction.  I would
send Tecmar a letter (and I still might), but I have heard that they
are not very helpfull in this area, so I am asking here first (and
working on a disassembly of the ACAD driver for the board, but I am
not too familiar with taking apart disassembled code).

                  Thanks,

                      S. John Banner

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