syltefar.com: Sega SG-1000

History

The SG-1000 was released simultaneously with a home computer version with almost identical hardware, the SC-3000. It seems to have been cloned from the ColecoVision hardware.

Models

There are 3 models, quite similar in specs:

• SG-1000 (console)
• SG-1000 II (console)
• SC-3000 (computer)

Specifications

CPU: Zilog Z80 @ 3.58 MHz
GPU: Texas Instruments TMS9918
Audio: Texas Instruments SN76489

Specs:

Memory     : 1 KB RAM
Resolution : 256x192
Colors     : 15-color fixed palette
Tiles      : 8x8 pixel tiles
Sprites    : 32 single-color sprites, max 4 per horizontal line
Audio      : 3 square waves, 1 noise

ocdgamer.rb:381:output_game_list(
    19 games, mode:largescreen, tag id:88, sortby:title,
    url_arg_prefix:, output_list_selection:true)
  output_large_game_box(3728)
  output_large_game_box(3736)
  output_large_game_box(3724)
  ...
  execution time:
   output_game_list: 0.27s

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