Horizon (North Star Computers, 4MHz)
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Display
Type: raster Horizontal
Resolution: 640 x 240
Refresh: 50 Hz
Processors
Zilog Z80 @ 4 MHz
Audio
Beep @ 2 kHz
Floppy sound @ 44.1 kHz
Floppy sound @ 44.1 kHz
Channels: 3
Controls
Players: 1
keyboard, 73 buttons