Nessie: The Nametable Editor — ASO

By Jonatan Yde on AppTrack Ninja.

Nessie: The Nametable Editor is a screen editor for the Nintendo Entertainment System. Where a tile editor gives you the pieces, Nessie is where you put them together. A background on a NES is a nametable: 32 by 30 cells, one byte each, pointing into a table of tiles. Colour works differently from anything modern. A separate attribute table holds just 64 bytes, and each one covers a 32 by 32 pixel square split into four quadrants - two bits per quadrant, choosing one of four palettes. That constraint is the whole character of NES artwork, and it is the thing that is hardest to picture in your…

Categories: Developer Tools, Graphics & Design

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