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Arisotura
Posted on 10-10-17 11:55 PM Link | #391
The one that comes with the DS browser.


First 16MB of the GBA ROM address range are all FF, except:

080000B2: 00 00 00 24 24 24 (signature?)
080000BF: 7F
0801FFFF: 7F
08240000: 32bit register; bit0: 1=enable RAM, 0=disable; other bits are always zero; initial value is 00000001

The register is the only thing that can be written to.


The 8MB at 0x09000000 are the RAM. Initially garbage-filled. When disabled, reads FF, but contents are retained (atleast for a certain time).


0x09800000 and up are open-bus.

____________________
Kuribo64

RainbowShatter
Posted on 05-03-24 10:10 AM Link | #6588
Uhhh, i was looking for something like the ROM file of the memory expansion pak, and not this, but i think this is useful for someone but not me

patataofcourse
Posted on 05-03-24 10:20 AM Link | #6589
That's not how that works - the memory expansion pak is a piece of hardware and needs to be supported by whichever emulator you want to use. In the case you're using a console- uh tough luck?

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hi
they/xe :))))))))))))))

Arisotura
Posted on 05-03-24 11:34 AM Link | #6590
there's no "ROM file" for the memory expansion pak. it's just a cartridge with RAM.

also, it is supported in melonDS, if that's what you're after.

____________________
Kuribo64


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