Oric/Atmos
mailto:junk-noclick2@signal11.org.uk

Diagnostic ROM and PCB

This is a replacement 16K ROM image to install on an Oric/Atmos mainboard to perform step-by-step test CPU/ULA/DRAM/VIA/PSG and associated circuitry. Includes schematic and PCB layout for optional external ROM/status LEDs/ULA replacement clock source and source code.

Download

The source, documentation, and other files can be downloaded below.

Diagnostics ROM

Diagnostics PCB



Source, documentation and pictures © 2009-2017 Mike Brown. Visit the website at http://oric.signal11.org.uk for the latest version and contact details.
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