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Enterprise (computer)
Zilog Z80-based home computer / From Wikipedia, the free encyclopedia
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The Enterprise is a Zilog Z80-based home computer announced in 1983,[1] but through a series of delays, not commercially available until 1985.[2] The specification as released was powerful and one of the higher end in its class (though not by the margin envisaged in 1983). This was due to the use of ASICs for graphics and sound which took workload away from the CPU, an extensive implementation of ANSI BASIC and a bank switching system to allow for larger amounts of RAM than the Z80 natively supported. It also featured a distinctive and colourful case design, and promise of multiple expansion options. Ultimately it was not commercially successful, after multiple renames, delays and a changing market place. Its manufacturer calling in the receivers in 1986 with significant debt.[2] It was developed by British company Intelligent Software and marketed by Enterprise Computers. Its two variants are the Enterprise 64, with 64 kilobytes of Random Access Memory (RAM), and the Enterprise 128, with 128 KB of RAM.
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| Type | Home computer |
|---|---|
| Release date | 23 June 1985; 37 years ago (1985-06-23) |
| Units shipped | 80,000 |
| Operating system | EXOS, BASIC (on cartridge) |
| CPU | Zilog Z80A @ 4 MHz |
| Memory | 64 KB / 128 KB (65,536 / 131,072 bytes) |
| Display | 80 × 256, 256 colours; 320 × 256, 16 colours; 640 × 512 interlaced, 640 × 256 non-interlaced, 2 colours |
| Graphics | "Nick" ASIC |
| Sound | "Dave" ASIC (3 channels + noise) |
| Connectivity | RGB out, serial port, printer port, joystick ports, cassette tape interfaces, cartridge slot, expansion port |