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S > SPECTRAVIDEO  > SV 318     

SV 318

The Spectravideo SV-318 has characteristics very close to the MSX machines (same video, sprites, sound, I/O, etc.). It was even sold as an MSX computer in some places, but it is not fully MSX compliant and can't use MSX programs.

Notice that instead of using cursor keys, the Spectravideo uses a small joystick, which emulates cursor keys.

The photo above shows the SV318 with its expansion base. This provides 64 KB RAM, a 80 column video and a floppy disk controller and its floppy drive (5.25"), with all these peripherals, the SV318 can run under CP/M.

A more professional version of the SV318 was launched a while later: the SV-328 (which has 80 KB RAM and a numeric keyboard and the SV-728 case).


please help we have zx spectrum 48k and one 128k program running at 6mhz using external ram and snapper discs from velesoft site

Saturday 6th April 2013
Roger Jowett (Ulster Londonderry)
sam coupe

My very first computer I got about 25yrs ago. I rember my dad preparing and saving moey for months to buy this as a present. Still have it, with the original tape .

Saturday 20th August 2011
Stamatis (Athens, Greece)

My first computer, Microsoft Basic very easy and friendly, very compatible with MSX Basic. Sprites, graffics and sounds commands the best. The worst: poor documentation and high resolution color mix bug. Cost: 299 € (1984) + "necessary" accessories (games, joy, cassette)

Wednesday 12th May 2004
Antonio (Almeria)


NAME  SV 318
MANUFACTURER  Spectravideo
TYPE  Home Computer
YEAR  1983
KEYBOARD  71 keys, calculator type keyboard
CPU  Zilog Z80
SPEED  3.6 MHz
RAM  32 kb (12 kb free with Basic)
VRAM  16 kb
ROM  32 kb
TEXT MODES  40 x 24
GRAPHIC MODES  256 x 192 / 64 x 48
SOUND  3 channels, 8 octaves
I/O PORTS  CVBS & RF output, cartridge slot, expansion port, tape
OS  CP/M optional with disk-drives
PERIPHERALS  Expansion box, disk-drives, printer, Coleco adaptor



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