MAX Machine (or simply MAX), also known as Ultimax in the

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and

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and VC-10 in

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, is a

home computer Home computers were a class of microcomputers that entered the market in 1977 and became common during the 1980s. They were marketed to consumers as affordable and accessible computers that, for the first time, were intended for the use of a s ...

designed and sold by

Commodore International Commodore International Corporation was a home computer and electronics manufacturer with its head office in The Bahamas and its executive office in the United States founded in 1976 by Jack Tramiel and Irving Gould. It was the successor compan ...

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, beginning in November of 1982, a cousin to the popular

Commodore 64 The Commodore 64, also known as the C64, is an 8-bit computing, 8-bit home computer introduced in January 1982 by Commodore International (first shown at the Consumer Electronics Show, January 7–10, 1982, in Las Vegas). It has been listed in ...

, also sharing a lot of components with the C64. The Commodore 64 manual mentions the machine by name, suggesting that Commodore intended to sell the machine internationally; however, it is unclear whether the machine was ever actually sold outside Japan. When it was officially presented, in

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, for the first time, it was named Commodore VICKIE. The unit has a

membrane keyboard A membrane keyboard is a computer keyboard whose keys are not separate, moving parts, as with the majority of other keyboards, but rather are pressure pads that have only outlines and symbols printed on a flat, flexible surface. Very little tacti ...

and 2 KB of RAM internally and 0.5 KB of color RAM (1024 × 4 bits). It uses a television set for a display. It uses the same

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and 6510 CPU as the Commodore 64, the same SID sound chip, and a MOS Technology 6566 graphics chip, a version of the VIC-II that powers the C-64 graphics for the MAX'

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. A tape drive could be connected for storage, but each cartridge had to implement its own cassette driver and protocol routines, so the tape could only be used by 2 of 24 released programs. The MAX also lacks the serial and user ports necessary to connect a

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, printer, or

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. The lack of any built-in

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, not even a simple bootstrap OS, combined with the fact that all the software released for the platform are video games (besides a scaled down cartridge-based

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with no disk, modem, or printer support) positions the Max as a video game console rather than a home computer, despite sharing much of the Commodore 64's chipset. The MAX's 2KB of RAM also indicates it was intended as a games machine and not a personal computer. Even the

Commodore PET The Commodore PET is a line of personal computers produced starting in 1977 by Commodore International. A single all-in-one case combines a MOS Technology 6502 microprocessor, Commodore BASIC in read-only memory, keyboard, monochrome monitor ...

, released five years earlier in 1977, had a minimum of 4K RAM, and rapidly 8K became the minimum. Even the VIC-20, heavily criticized for its minimal RAM, shipped with 5K of RAM. Software is loaded from plug-in cartridges - turning on the MAX with no cartridge inserted yielded only a blank screen. Its ROM cartridge architecture was compatible with that of the C-64, so that MAX cartridges will work in the C-64. The MAX compatibility mode in C-64 was later frequently used for "freezer" cartridges (such as the

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), as a convenient way to take control of the currently running program. It was intended to sell for around US$200. Although the MAX had better graphics and sound capability, Commodore's own

VIC-20 The VIC-20 (known as the VC-20 in Germany and the VIC-1001 in Japan) is an 8-bit entry level home computer that was sold by Commodore International, Commodore Business Machines. The VIC-20 was announced in 1980, roughly three years after Commod ...

, which sold for around the same amount, was much more expandable, had a much larger software library, and had a better keyboard—all of which made it more attractive to consumers. The MAX never sold well and was quickly discontinued.

MAX Machine software

Commodore MAX BASIC manual and cartridge

MAX Machine software list was limited, with a few game ports of popular arcade games.

References

6502-based home computers Commodore 64 Products introduced in 1982 {{microcompu-stub

MAX Machine software

See also

References