I have the main unit
.
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Commodore 220
t
ype
computer
country
USA
year
os
Commodore Basic 4.0
cpu
MOS 6502
speed
1 MHz
ram
160 KB
r
o
m
24
KB
graphic
12" 80x25
colors
mono
sound
1 voice, 3 octaves
ports
IEEE-488, expansion,
tape, user port
