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muhbitplanes
searching Neon…
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by
muhbitplanes
11y ago
The NES has separate address spaces for the CPU and PPU. Part of each is mapped to internal memory and IO registers, with the rest available for the cartridge to do whatever it wants with. The PPU doesn't care if you map RAM ("CHR
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by
muhbitplanes
11y ago
This is the ol' chunky (all of the bits for a pixel stored adjacently in memory) vs. planar (image broken up into separate "bitplanes") graphics debate. Planar was very common for early 2D hardware, as it was the natural exte