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Sinclair ZX Spectrum

The ZX Spectrum is the evolution of the ZX81. Two version have existed: a 16K RAM version (witch can be upgraded to 48K) and a 48K RAM version. With this new computer a high resolution colour graphic mode is available. Launched in April 1982, this model was to be called the ZX82. It have too a better tape handler, 16K ROM (ZX81 have 8K).

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Processor:
-Zilog Z80A running at 3.5Mhz
RAM:

-16K/48K. The 16K version is expandable to 48K
Storage:

-Cassete tapes at 1200 baud.
-Microdrives (100K) with Interface 1(optional)
Firmware:

-16K ZX colour BASIC
Screen:

-Text 32x22 16 colors
-Graphics 256x192. Color resolution is 32x22x16
Sound:
-Beeper
Other:

-Expansion connector
-TV Modulator

This page was updated at 03-03-2003