This includes, to our knowledge, all Sierra games except for Ultima: Escape from Mt. An estimated 300 commercial titles were produced on cartridges. a cassette port for a cassette drive (image: 4)Ĭommodore VIC-20 software came on three possible types of media: cartridge, cassette or floppy.Ĭartridges were plugged directly into the VIC-20's ROM port and have the advantage that most were ready to play as soon as the VIC-20 was turned on as the software didn't need to be loaded into memory, as opposed to games on tape which required a time-consuming loading process. a serial bus for a disk drive and printer (image: 3) a 5-pin video port to connect the VIC20 to a TV or monitor (image: 2) a port for program cartridges or RAM cartrides (to expand RAM up to 32kb) (image: 1) a port at the side for a Joystick, Paddle or Light Pen This allowed the VIC-20 to expand its abilities and far beyond that of the basic stock model.

Because of the VIC's many connector ports, a whole range of devices could be attached to the computer. The VIC-20 was discontinued in January 1985.Ī large part of the success of the VIC-20 can be attributed to the peripherals that were sold separately. While sales were slow at first due to reliability problems and lack of software, sales sharply accelerated by mid 1983 and VIC-20 sales abruptly plunged. That summer, Commodore unveiled the Commodore 64, a more advanced machine with 64 KB of RAM and considerably improved sound and graphics capabilities. In 1982, the VIC-20 was the best-selling computer of the year, with 800,000 machines sold. Its retail price was just US$299.95, making it highly affordable compared to its competitors.

Its operating system was Commodore KERNAL/Commodore BASIC 2.0, it had a MOS Technology 6502 CPU 1.108404 MHz (PAL) or 1.02 MHz (NTSC) and memory of 20 KB ROM + 5 KB RAM (expandable to 32 KB), 3.5 KB for BASIC (expandable to 30.5 KB). Commodore made advertisements for the VIC-20 featuring actor William Shatner of Star Trek fame. Focusing on low-cost and user-friendliness, the VIC-20 was the first computer of any description to sell one million units. The VIC-20 was announced in 1980, roughly three years after Commodore's first personal computer, the PET. The VIC-20 (Germany: VC-20 Japan: VIC-1001) is an 8-bit home computer that was sold by Commodore Business Machines.

Commodore 64 emulator mac el sierra