Difference between revisions of "Backup RAM Cartridge"

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(New page: The '''Backup RAM Cartridge''' is an add-on device that adds additional static RAM for save games, etc.)
 
 
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The '''Backup RAM Cartridge''' is an add-on device that adds additional static RAM for save games, etc.
 
The '''Backup RAM Cartridge''' is an add-on device that adds additional static RAM for save games, etc.
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==Memory Mapping==
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It's mapped on the A-bus CS1 area. For the sake of simplicity, here's a list of the addresses used by developers.
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{| border="1"
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!Address
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!Description
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|-
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|0x24000000-0x????????
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|Backup Ram is mapped here. It's basically mirrored throughout most of the whole area.
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|-
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|0x24FFFFFF
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|Cartridge ID. This will be 0x21 for 4 Mbit, 0x22 for 8 Mbit, 0x23 for 16 Mbit, and 0x24 for 32 Mbit
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|}

Latest revision as of 04:05, 4 June 2009

The Backup RAM Cartridge is an add-on device that adds additional static RAM for save games, etc.

Memory Mapping

It's mapped on the A-bus CS1 area. For the sake of simplicity, here's a list of the addresses used by developers.

Address Description
0x24000000-0x???????? Backup Ram is mapped here. It's basically mirrored throughout most of the whole area.
0x24FFFFFF Cartridge ID. This will be 0x21 for 4 Mbit, 0x22 for 8 Mbit, 0x23 for 16 Mbit, and 0x24 for 32 Mbit