Commodore VIC 20

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Our Commodore VIC 20 At a Glance

Manufactured: 198?

CPU: Commodore Semiconductor Group 6502A, 1.0227 Mhz

Text: 23 rows x 22 columns

Graphics: 184 rows x 176 columns

Color: 16 background/border colors, 8 character colors

Keyboard: Full sized, full stroke, 4 function keys, 66 keys


ROM: 16 KB

Operating System[s]: Onboard BASIC

Onboard Programming Language: CBM BASIC Version 2

Sound: 3 voices/octaves, white noise

I/O Ports: joystick, port, serial, and cartrige ports, RGB out, tape interface

Onboard Storage Media: none built-in

The VIC 20 was a home version of the Commodore PET series. It used the same CPU and BASIC but introduced the Video Interface Chip, a co-processor that provided graphics and sound.

The Vic 20 in our collection
More information about the Commodore VIC 20 is available from Wikipedia:Commodore VIC 20.


About the hardware we can use with the VIC 20


The software we have for the system


This item was purchased at a local flea market. The vendor turned out to be a retired IBM field support engineer who used to service IBM mainframes. It was complete in the orginal box with manuals and some software.


Click to enlarge.

Experiences, Stories, Observations

If you have any knowledge, experiences, or stories related to the Commodore VIC 20, please add them.