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sxpert
@kenshirriff I can guess microcode top-right, what’s top-left ? 2 large blocks of cache ?
20 Apr 2023 at 15:43 | Wall-to-wall | Open on mastodon.sxpert.org
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Ken Shirriff

@sxpert My labeled die photo is later in the thread. The top left block is microcode. The top right blocks are PLAs (Programmable Logic Arrays) for the decoding state machine.
oldbytes.space/@kenshirriff/11

20 Apr 2023 at 16:16 | Open on oldbytes.space
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