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From Final Fantasy Inside
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== RAM management ==
No matter what module is banked into memory, there is a section of memory 4,340 bytes long (0x10F4 bytes) that is reserved for all the variables for the entire game. This entire image is called the "Save Map". When it's time to save a game, this section of memory is copied to non-volatile ram, such as a hard disk or memory card.
Within the save map there are 5 banks of memory that are directly accessible by the field scripting language. These can either be accessed 8 bits or 16 bits at a time depending on the field command argument. The following table is basic memory map of the banks and how they relate to the save map. There is also an allocation for 256 bytes for temporary field variables. These are not used between field files and are not saved.
No matter what module is banked into memory, there is a section of memory 4,340 bytes long (0x10F4 bytes) that is reserved for all the variables for the entire game. This entire image is called the "Save Map". When it's time to save a game, this section of memory is copied to non-volatile ram, such as a hard disk or memory card.
Within the save map there are 5 banks of memory that are directly accessible by the field scripting language. These can either be accessed 8 bits or 16 bits at a time depending on the field command argument. The following table is basic memory map of the banks and how they relate to the save map. There is also an allocation for 256 bytes for temporary field variables. These are not used between field files and are not saved.
