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Nintendo Entertainment System (NES) / Famicom / Famiclones chip reversing
Examine all APU clock trees, similar to PPU.
Fix. 
Almost all sections show PLA simply as a topology (unmarked picture). You need to label the ports and decode the bit masks.

- [ ] Добыть ещё один экземпляр - [ ] Вскрыть и отфокать каплю с чипом 
BigEd on the 6502.org forum pointed to an excellent book on VLSI, where the FET device is explained on the basis of your fingers. We need to read it, get...
 The old APU revision has some irrelevant logic sitting in the Test Pattern. We need to see what's there and add it to the section on the Wiki. https://github.com/emu-russia/breaks/blob/master/BreakingNESWiki_DeepL/APU/test_pattern.md
From time to time we adjust the names in big bundles, this issue will gradually gain candidates. When we get a big batch, we will rename all the signals en...