Changes

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For the old FCRAM DMA cutoff, it appears to start at 0x28000000-(0x800000*x) length 0x800000*x.

For the old FCRAM DMA cutoff, it protects starting from 0x28000000-(0x800000*x) until end of FCRAM. There is no way to protect the first 0x800000-bytes.

For the new FCRAM DMA cutoff, it protects 0x30000000-(size) where size is 0x800000*x. This can be used to protect all of the upper FCRAM except for the first 0x800000-bytes (lowest protection addr via x=0xF is 0x28800000).

For the new FCRAM DMA cutoff, it protects starting from 0x30000000-(0x800000*x) until end of FCRAM. When the old FCRAM cutoff is set to non-zero, the first 0x800000-bytes bytes of new FCRAM are protected.

On New3DS the old+new FCRAM cutoff can be used at the same time, however this isn't done officially. When this is done the 0x800000-bytes at 0x28000000 is also protected.

On New3DS the old+new FCRAM cutoff can be used at the same time, however this isn't done officially.

For the QTM DMA cutoff, it appears to start at 0x1F400000-(0x100000*x) length 0x100000*x

For the QTM DMA cutoff, it protects starting from 0x1F400000-(0x100000*x) until end of QTM mem.

On cold boot this reg is set to 0.

On cold boot this reg is set to 0.