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Nascom System 80 - Colour Encoder Board

Description

Before Nascom's financial problems, they where designing a new system referred to as System 80.  This got as far as the design stage and adverts where placed with magazines but production never took place.

Designed to produce a PAL, SECAM, NTSC or RGB output in a choice of 16 colours, split between foreground and background.  The board was meant to be used in conjunction with the Programmable Character Generator board above. Colour definition was on a 96 x 48 grid produced using 6K of 4118 memory. Never reached production. The board was capable of producing 256 colours but the method is unclear.

Technical Details

Documentation

Reference Image

Nascom System 80 - Colour Encoder Board

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