How Many Function Keys Did the Commodore VIC-20 Have?

The Commodore VIC-20 remains a significant milestone in the history of home computing, celebrated for being the first computer to sell one million units. Among its distinctive hardware features was a specific keyboard layout designed to facilitate user interaction and programming. This article provides a definitive answer regarding the number of function keys located on the VIC-20 keyboard, details their physical placement, and explains their programmable capabilities within the BASIC environment.

The original Commodore VIC-20 keyboard featured exactly four function keys. These keys were distinctively colored brown and were positioned in the upper-left corner of the keyboard deck, separate from the main alphanumeric typing area. They were labeled F1, F2, F3, and F4, providing users with quick access to specific commands or strings of text without needing to type them out fully each time.

These function keys were not hardwired to perform a single, unchangeable system task. Instead, they were programmable by the user through the computer’s BASIC interpreter. By using the KEY command, owners could assign specific strings of characters to each of the four keys. This feature was particularly useful for gamers who wanted to automate complex inputs or for programmers who needed to frequently insert common code snippets during development.

While later computers like the Commodore 64 expanded on this concept with more function keys and different color coding, the VIC-20 established the precedent for programmable function keys in Commodore’s home computer line. The presence of these four keys offered a level of customization that was advanced for a budget-friendly machine released in 1980. Understanding this hardware specification helps collectors and retro computing enthusiasts accurately identify original hardware configurations and appreciate the input design of the early 1980s.