Updated: Address Decoder Schematics

A project log for Yet Another m68k Homebrew

A Motorola 68k homebrew on breadboard, this time with a 68010 running at 8MHz

Ross BamfordRoss Bamford 05/08/2019 at 16:060 Comments

While building the address decoder, I realised I'd made a couple of mistakes in the design. Now they're fixed, I'm posting the updated schematics (They're available on Github as usual, too).

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Here's the updated address decoder (The main issue was that the /UDS and /LDS lines were handled backwards in the v1 schematic):

And here's the circuit that handles the /BOOT line: