The machine had the following specifications: •
CPU:
CDP 1802B 5V7 running at 2.813
MHz •
ROM: 16
KB, with optional 16 KB upgrade containing enhanced editor and
assembler •
RAM: 32 KB •
Secondary storage:
cassette tape • VIS: (
Video Interface System) CDP1869 / CDP1870 • Text modes: 40 columns x 24 lines • Character set: 128 Programmable characters • Character size: 6x9 pixels • Graphics modes: None, but the character-set was re programmable (
semigraphics) to simulate a 240x216 High Resolution display • Colours: A total of 8 foreground colours are available (with a limited choice of 4 per character and 1 per line of that character) and 8 background colours (defined for the whole screen). • Sound: 2 channels: one for tone generation with a span of 8 octaves, and 1 for special effect/white noise. Volume programmable in 16 steps. •
I/O ports:cassette tape storage, composite and RF video,
RS-232 and expansion connector •
Power supply: 220V AC, 0.02 A, 4.5 W (built-in
transformer) == See also ==