The keyboard graphic responds to mouse clicks, touch events, and key presses.
Hold your shift key while clicking the PET keyboard to get the graphics
characters.
(The emulator simulates pressing the PET's left shift-key at the
same time as the clicked key.)
Changing the size of memory or changing the ROM version forces a reset of the PET.
The emulator has an IEEE-488 device at address 8. It can be used load and save (.prg) files.
Some programs don't run on ROM1 and some require more memory than the default 8K.
Game Notes
May include inaccurate AI generated content
As of the current knowledge cutoff in October 2023, there is no widely documented or verified information about a game titled *Abacus* written by an unknown author and published by an unknown entity for the Commodore PET. The Commodore PET (Personal Electronic Transactor) was a popular early personal computer released in the late 1970s, and many games were developed for it, often by hobbyists or small teams. However, *Abacus* does not appear in major archives, databases, or historical records related to Commodore PET software.If *Abacus* exists, it may be an obscure or rare title that has not been preserved or documented in publicly accessible sources. Many early computer games, especially those created by independent developers, were distributed in limited quantities or through informal channels, making them difficult to trace today. Without additional details, such as a release year, publisher, or screenshots, it is challenging to confirm the existence of this specific game.
