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K&P 80 Column Interface

The design is documented by Ralf Weidenbrüch.

English text scan

German text scan

Font rom file: :boards:ecb:vdu:kp80interface:80zkuprom.zip

Other reference material:

Elector VDU card

Acorn 80×25 VDU card

Parallel printer port

The Colour Pet Project

CRTC 6545/6845 information

CS/A65 Video board

http://www.swtpc.com/mholley/DS68/