Questions tagged [famicom]

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Why did Nintendo commission Sony to create a disk reader if the Famicom already had one?

The way I understand it, Nintendo's engineers couldn't figure out how to design a disk system for the SNES, so they commissioned Sony to do it for them. Why would Nintendo do this if they already had ...
5
votes
2answers
721 views

Does the NES handle unlisted processor instructions differently from the Famicom?

As you may be aware, developers used unregistered machine codes in their games, as discussed in this thread. My question isn't why they would do this, but instead if these instructions yielded a ...
6
votes
2answers
492 views

Do the cartridges lose your saved games without batteries?

I was watching a channel about living in China. And the host present a Jacky Chan Nintendo Fake. System looks like a Famicom. But when show the cartridge Video, looks they need batteries. Then it ...
5
votes
2answers
325 views

NES/Famicom CPU address range allowable for cartridges

The postulated address range for CPU ROM (so-called "PRG-ROM") in cartridges is $8000..$FFFF, that is pre-decoded in NES/Famicom and the chipselect is fed to the cartridge. However, it is quite ...