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→PDN_TWLMODE
==PDN_TWLMODE==
==PDN_TWLMODE==
The very last 3DS-mode register poke the [[FIRM|TWL_FIRM]] Process9 does before it gets switched into TWL-mode, is writing 0x8000 to this register. However, writing 0x8000 to here from the ARM9 with NATIVE_FIRM running doesn't seem to do anything, other reg-pokes likely need done first.
The very last 3DS-mode register poke the [[FIRM|TWL_FIRM]] Process9 does before it gets switched into TWL-mode, is writing 0x8000 to this register. Before writing this register, TWL Process9 waits for the value of this register to become non-zero. The Process9 code for this runs from ITCM, since switching into TWL-mode includes remapping all ARM9 physical memory.
Writing 0x8000 to here from the ARM9 with NATIVE_FIRM running doesn't seem to do anything, other reg-pokes likely need done first.
==PDN_LCD==
==PDN_LCD==