Canon Cat

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Canon Cat
Canon Cat front profile.jpg
Canon Cat
Developer Information Appliance, Inc.
Manufacturer Canon Inc.
TypeTask-dedicated single-unit desktop computer
Release date1987;37 years ago (1987)
Introductory priceUS$1,495(equivalent to $3,900 in 2022)
Discontinued1987;37 years ago (1987)
Units sold20,000 units
Operating system Forth
CPU Motorola 68000 @ 5 MHz
Memory256 KB of RAM
Storage3½-inch 256 KB floppy disk drive
Display9-inch (229 mm) black-and-white monitor
Graphics80 × 24 characters, 672 × 344 pixels
ConnectivityInternal 300/1200 bit/s modem
Mass17 pounds (7.7 kg)

Canon Cat is a task-dedicated desktop computer released by Canon Inc. in 1987 for $1,495(equivalent to $3,900 in 2022). [1] Its appearance resembles dedicated word processors popular of the late 1970s to early 1980s, but it is far more powerful, and has many unique ideas for data manipulation.

Contents

Overview

Canon Cat is primarily the creation of Jef Raskin, the originator of the Macintosh project at Apple. [1] After leaving the company in 1982 and founding Information Appliance, Inc., he began designing a new computer closer to his original vision of an inexpensive, utilitarian "people's computer". Information Appliance developed the Swyft computer prototype, and then developed and licensed it to Canon as the Cat. BYTE in 1987 described the Cat as "a spiritual heir to the Macintosh". [2]

It features a text-based user interface, without any pointer, mouse, icons, or graphics. [1] [3] All data are seen as a long "stream" of text broken into several pages. Instead of using a traditional command-line interface or menu system, the Cat uses its special keyboard, with commands activated by holding down a "Use Front" key and pressing another key. [4] Special "Leap keys" are held down to allow the user incremental search for strings of characters. [5]

The hardware consists of a 9-inch (229 mm) black-and-white monitor (80 x 24 character display, 672 x 344 resolution), [6] a single 3½-inch 256 KB floppy disk drive, and an IBM Selectric–compatible keyboard. It uses a Motorola 68000 CPU (like the Macintosh) running at 5 MHz, has 256 KB of RAM, and an internal 300/1200 bit/s modem. Setup and user preference data are stored in 8 KB of non-volatile RAM with battery backup. The array of I/O interfaces encompasses one Centronics parallel port, one RS-232C serial port (DB-25), and two RJ11 telephone jacks for the modem loop. The total weight is 17 pounds (7.7 kg).

An extensive range of application software is built into 256 KB of ROM: a standard office suite, telecommunications, a 90,000-word spelling dictionary, and user programming toolchains for Forth and assembly language.

Graphics routines are in ROM, and connectors for a mouse or other pointing device are never used. [7]

The defunct software project Archy was initiated by Raskin as a similar yet even more capable system for current computers, designed to eventually replace current software user interfaces.

See also

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References

  1. 1 2 3 "CAT Canon". www.old-computers.com. Retrieved 2023-02-23.
  2. Shapiro, Ezra (October 1987). "A Spiritual Heir to the Macintosh". BYTE. p. 121. Retrieved 4 August 2014.
  3. "Online Help Screens from the Cat". www.canoncat.org. 2004. Retrieved 2023-02-23.
  4. "Canon Cat". DigiBarn Computer Museum. Retrieved 2023-02-23.
  5. Canon Cat Quick Reference Card (PDF). Canon Inc. 1987.
  6. David Alzofon, David Caulkins (April 26, 1987). "Cat Reference Guide" via Internet Archive.
  7. "apple-history.com / gui discussion :: jef raskin response". www.apple-history.com.