Abstract
With this add-on circuit board to any microprocessor kit or computer, it is possible to type on a TV Monitor four languages simultaneously with one keyboard. Keyboard layouts are as standard with language typewriters.The circuit employs minimum number of components. CMOS digital ICs are employed along with TTL buffer ICs. Two static 8K RAM ICs store the pixel data. The 512 × 256 video is written info the RAM accordingly to the language and character typed. Software provides for cursor, line feed, backspace and other requirements, which are explained.
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