Here's an intro to Oric display in general:

http://www.defence-force.org/computing/oric/coding/part_7/in...

Here's more details on the attributes mode that, when properly grok'ed, gives us color options never before seen on the Oric:

http://thespider.oric.org/oric_hires_colour.html

Twilighte (RIP) exploited this extensively for his games - check out http://oric.org/ for his titles (they're in the top-10) ..

See also this thread:

http://forum.defence-force.org/viewtopic.php?f=14&t=875