This doc is based upon Marat Fazullin's NES faq (in fact this is almost a template of
|Goes over the ground explored by Marat, but with clarified expression (ie explained in language wot you understands).||Gives additional information that I picked up whilst working on the SimNES emulator (@copyright 1997 Nintemulation).|
Note: Most figures here are taken from Marat Fayzullin's NES doc. This is taken on
Q) What is a NES?
Q) Ok, so give me some NES stats!
|6502 CPU - the main "brain" of the console, if you like.||PPU (Picture Processing Unit) - the "make-up artist" of the console, as it were.|
|The ROM appearing in the main CPU address space (location $8000-$FFFF)||VROM/VRAM appearing in the PPU address space (location $0000-$1FFF)||Internal VRAM location is commonly $2000-$3FFF (also at $6000-7FFF in some cases)
Q) How can the NES CPU be mapped out?
Q) PPU memory. I love it unrequitedly. How do I make it love me back?
Q) How do I write to PPU memory?
Q) How do I read from PPU?
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