Oric And ATMOS projects
These are some projects and related files for the Oric and ATMOS computers.
An annotated version of the Cumana Disk Interface schematic.
This document contains some hints to getting a broken Oric/ATMOS up and working.
For use with the above repair guide, this diagnostic ROM and simple hardware can be used to fault find and verify an Oric/ATMOS that is faulty.
This project details a way to fit a second 27128 EPROM/ROM into an Oric or ATMOS, allowing manual selection between V1.0 and V1.1 ROMS, or between any two compatible ROMS.
This project is a black-box deconstruction from the observed behaviour of the Oric ULA HCS10017
Images of the Oric HCS10017 ULA
Source, documentation and pictures © 2009-2018 Mike Brown. Visit the website at http://oric.signal11.org.uk for the latest version and contact details.