The Ultimate VIC 20 Webpage


This documentation was originally part of my "How to write a VIC-20 emulator" page. As a consequence of this, some of it may be directed more towards emulation. Also, some of these links are to documentation on external sites. You can access Rick Melicks complete documentation archive by following the link at the bottom of this page.

The 6502 microprocessor

The 6522 VIA Chips

The 6561 Video Interface Chip

The VIC 20 Keyboard

The VIC 20's memory

Additional Hardware

Other VIC 20 Documentation Sites