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Memory ②
From SnesLab
(Redirected from Memory-2)
Memory ② is a region of the 5A22's address space. Memory ② is a total of 6 megabytes (exactly 6,291,456 bytes) in size, spread across:
- the upper half (8000h - FFFFh) of banks 80h - BFh, which is exactly 2,097,152 bytes (2 megabytes spread across 64 banks), and
- all of banks C0h - FFh, which is exactly 4,194,304 bytes (4 megabytes spread across 64 banks)
Thus, when labeled on a memory map, Memory ② forms a concave region; see Figure 2-21-1 of the official Super Nintendo development manual.
See Also
References
- https://problemkaputt.de/fullsnes.htm#snesmemorycontrol
- bottom of page 2-21-2 of Book I, the left-hand side of the figure
- page 2-28-5 of Book I of the official Super Nintendo development manual