Acorn MOS 1.2 - OS Specs Project
Information on Acorn MOS 1.2 last updated 22nd October 2005
| Property | Value |
|---|---|
| Author | Acorn Computer (UK) |
| Released | 1982 |
| Class | Desktop |
| Model | Modular monolithic kernel; co-processor support |
| Architecture | 6502 (8-bit) |
| RAM limit | Too complicated to explain :) |
| Install media | EPROM |
| Installed size | 16 kB of the read-only memory map |
| Memory footprint | 3 kB approx |
| Multi-programming | None |
| Networking | Econet readiness in API, no network drivers |
| Video | Up to 8 colours, 640×256, but not at the same time |
| Audio | Four channel note and noise synth, mono |
| User model | Single user |
| User interface | None; relies on running apps to implement a command prompt and pass commands to the OSÕs internal command interpreter |
| User input | Keyboard |
| I/O | Audio out, cassette, joystick, RS432 (?) serial, parallel, floppy drive, 1 MHz bus, user port |
| Development | BBC BASIC, 6502 assembler |
| File format standards | None |
| File systems | Native (Cassette File System) |