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Nintendo Entertainment System (NES) / Famicom / Famiclones chip reversing

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Examine all APU clock trees, similar to PPU.

Fix. ![image](https://user-images.githubusercontent.com/5828819/183888863-d068fad0-982c-4fea-8586-48909fe1af47.png)

Almost all sections show PLA simply as a topology (unmarked picture). You need to label the ports and decode the bit masks.

![image](https://user-images.githubusercontent.com/5828819/181719322-e732b12c-fb1c-466c-a4d7-37b11dea5f20.png)

- [ ] Добыть ещё один экземпляр - [ ] Вскрыть и отфокать каплю с чипом ![image](https://user-images.githubusercontent.com/5828819/141685576-7c9c2e0d-a924-4f8a-b741-e83aa813607b.png)

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...

![image](https://user-images.githubusercontent.com/5828819/161701805-0a09e08a-9e42-4424-b62d-d695519881ac.png) 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...