ZX Spectrum

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ZX Spectrum – personal home computer, released in 1982 by Sinclair Research company.

Sinclair Research models:

• ZX Spectrum 16K/48K (1982 y.);
• ZX Spectrum+ (1984 y.);
• ZX Spectrum 128 (1986 y.).

 

Amstrad models:

• ZX Spectrum +2 (1986 y.);
• ZX Spectrum +2A/2B (1987 y.);
• ZX Spectrum +3 (1987 y.).

 

ZX Spectrum clones:

• Baltic (1985 y.);
• Leningrad-1 (1987 y.);
• Leningrad-2 (1988 y.);
• Leningrad-3 (2007 y.);
• Pentagon-48k (1989 y.);
• Pentagon-128k (1991 y.);
• Pentagon-1024sl v1.41 (2005 y.);
• Pentagon-1024sl v2.2 (2008 y.);
• Delta-C (1990 y.);
• ZXM-Phoenix (2008 y.).

 Specification:

CPU	Z80
CPU speed	3.5MHz
RAM	48KiB (First model has only 16KiB)
ROM	16KiB
Video	256×192 (15 colors. Color is set for 8x8 pixel quadrate)
Sound	Simple speaker
Data save and load	Cassette recorder

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