Finally got around to reading this - an interesting write-up of an almost-working Minstrel and a sound explanation of the diagnostic process involved.
New blog post - repairing a Minstrel 4th build that almost worked first time. blog.tynemouthsoftware.co.uk/2026/08/mins... Why the Lambda 8300 ROM was calling itself Kamaca 8200, why the keys were not showing the right thing when pressed, and why bits of the screen weren't quite in the right place.
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