What size are ROM banks in the iNES format?

StackOverflow https://stackoverflow.com/questions/12850398

  •  06-07-2021
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Question

According to the iNES documentation, ROM banks are 16kB.

Is this 16000 bytes (16 kB) or 16384 bytes (16 KiB) per ROM bank? I couldn’t find this anywhere in the documentation.

Was it helpful?

Solution

16384B - the memory banks are individually adressable ROM chips, which means they need to fill in complete address space of their relevant column select lines.

Bottom line - digital hardware always uses 2^x, at least till 1990s when marketoids decided to pimp up drive sizes.

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