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Old 23rd Oct 2017, 11:35 pm   #4
SiriusHardware
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Join Date: Aug 2011
Location: Newcastle, Tyne and Wear, UK.
Posts: 11,588
Default Re: Nascom repair - Looking for clues please

Quote:
Originally Posted by julie_m View Post
How does the display generation work... is the CPU driving the display directly and then running your program during the vertical flyback, or is there some dedicated logic?
Here you go:

http://www.nascomhomepage.com/pdf/NASCOM1.PDF

Dedicated discrete logic, including a character generator by the look of it.
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