SG-1000

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Catalog Spec

Developer SEGA
Release date in Japan July 1983
Media ROM cartridge
CPU NEC μPD780C (Z80A compatible)

NTSC version:3.579545 MHz, PAL version:3.546893 MHz
VDP (Video Display Processor) MS9918A
RAM 1 KB
VRAM 16 KB
Graphic 256*192 dots

Valid colors: 15 colors (2 colors valid in horizontal 8 dots)

8*8 or 16*16 dots, 32 pcs, 4 pcs available once in horizon
Sound SN76489 (equivalent to PSG)
List price in Japan 15,000 yen

SG-1000 is a SEGA’s videogame console released by SEGA in 1983. SEGA released gaming computer “SC-3000”, and SG-1000 is the console which doesn’t include the programming function and was composed by simple circuit only to focuses on the gaming specification when the console was release at the same timing of SC-3000’s sale. At the time of the release, the price was planned to set in 19,800 yen, but SEGA changed the price to 15,000 yen because NINTENDO announced that the company would sell Family Computer (so-called “Famicom”, as known as NES in the other countries).  This console was sold by the other company under OEM licence in the foreign countries, and in Japan both TSUKUDA ORIGINAL and PIONEER sold the compatible machines.