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Platform - Computer » Amstrad CPC (Colour Personal Computer)
Amstrad CPC and similar range of home computers.
The computer was produced between 1984-1990 and competed in the field of 8-bit home computers against Commodore 64 and ZX Spectrum. Amstrad CPC established a considerable user base in United Kingdom and large continental West-European countries. About three million units were sold globally.
Letters CPC stand for "Colour Personal Computer". The most important CPC models were CPC464, CPC664, and CPC6128. Later models are 464plus, 6128 plus and XG4000 (game console).
The technical data of AY-3-8910 sound chip:
-three primary sound channels
-in total sixteen 8-bit registers
-six 8-bit registers control pitches of sound channels (two for each channel: one for channel mixing, another one for controlling pseudo-random noise generator)
-maximum 12-bit wavelength value with 4096 pitches
-three registers for volume control and turning on/off additional envelope controls
-three registers for controlling times of ADSR envelope controller