ULA

Summary

Description Documentation covering the functioning of the Acorn Electron and its ULA
Owner Paul Boddie <paul@boddie.org.uk>
Last change Tue, 05 Mar 2024 18:29:47 +0100

Shortlog

3 months ago Paul Boddie Added planar graphics display remarks. default tip
3 months ago Paul Boddie Added memory pricing details.
13 months ago Paul Boddie Added remarks about text mode screen sizes and memory layouts.
13 months ago Paul Boddie Moved the new section to be adjacent to a related section, adding some notes.
13 months ago Paul Boddie Added a suggested text mode approach.
20 months ago Paul Boddie Fixed CPU clock cycle scheduling, synchronising with memory signalling.
20 months ago Paul Boddie Refined the address timing details slightly.
20 months ago Paul Boddie Added notes about dual page mode transfers in each 2MHz cycle for an 8-bit RAM
20 months ago Paul Boddie Updated datasheet URL.
2022-03-02 Paul Boddie Added more 8-bit wide RAM access notes plus alternative keyboard matrix support.

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3 months ago 3c3aecd24476 default
2014-02-01 83648f6e7be7 shedskin

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