Chroma 81 Interface

Multi-purpose peripheral for ZX81

from Paul Farrow

price: 60 GBP platforms: ZX81

Adds colour, SCART interface for sharp RGB picture, joystick and RS232 ports, ROM expansion socket.

It also provides 16 RAM pack, 8k of RAM to allow user-definable characters, two colour modes, load / save sounds, Quicksilva emulation, reset button, expansion bus throughput.

The two colour modes both offer 15 colours. The first provides a Spectrum-like attribute file giving ink and paper colours to each character. This mode requires game-makers to support it. The other mode provides a lookup table to map colours to the character spaces, which allows colours to be mapped to existing games.

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