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: SG-1000 (console), SG-1000 II (console), SC-3000 (computer). CPU: Z80, GPU: TMS9918, audio: SN76489
ocdgamer.rb:335:output_game_list(
16 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: 0.00s