yesterday i've looked into functions with <100%, and found these addresses:
NHSTUB(GetParameterData, 0xffd08d30) // a720 primary
NHSTUB(LockMainPower, 0xffc55210) // a720 primary
NHSTUB(PostLogicalEventToUI, 0xffc54884) // a720 primary, kinda different, has a jump
NHSTUB(SleepTask, 0xffc16578) // a720 primary
NHSTUB(MakeDirectory_Fut, 0xffc12b4c) // a720 primary
NHSTUB(RenameFile_Fut, 0xffc12a84) // a720 primary
NHSTUB(SetParameterData, 0xffd08ca0) // a720 primary
NHSTUB(SetAutoShutdownTime, 0xffc55284) // a720 primary
NHSTUB(GetPropertyCase, 0xffc51944) // a720 primary
NHSTUB(UnlockMainPower, 0xffc55164) // a720 primary
NHSTUB(SetCurrentCaptureModeType, 0xffc5b514) // a720 primary
NHSTUB(SetPropertyCase, 0xffc5183c) // a720 primary
NHSTUB(PostLogicalEventForNotPowerType, 0xffc54838) // a720 primary
NHSTUB(IsStrobeChargeCompleted, 0xffc7ccc4) // a720 primary
NHSTUB(GetZoomLensCurrentPoint, 0xffce3dac) // a720 primary
NHSTUB(VbattGet, 0xffc10294) // a720 primary
NHSTUB(MoveZoomLensWithPoint, 0xffdc2454) // a720 primary
NHSTUB(MoveFocusLensToDistance, 0xffe04080) // a720 primary
NHSTUB(kbd_read_keys, 0xffc11360) // a720 primary, seems the same, but no call to kbd_pwr_off or kbd_power_on
NHSTUB(kbd_p1_f, 0xffc113dc) // a720 primary
NHSTUB(kbd_p1_f_cont, 0xffc113e8) // a720 primary, seems right. Starts in the middle of nowhere?
NHSTUB(NewTaskShell, 0xffc513e8) // a720 primary
NHSTUB(SetLogicalEventActive, 0xffc54f8c) // a720 primary
NHSTUB(TurnOnBackLight, 0xffc5fcd4) // a720 primary
NHSTUB(TurnOffBackLight, 0xffc5fcec) // looks like a720 primary, is just after TurnOnBackLight like in a720
// has "TurnOffBackLight" in it
NHSTUB(PT_PlaySound, 0xffc40a50) // sd1100 ixus80 primary
Remains to be found:
EnterToCompensationEVF
ExitFromCompensationEVF
GetDrive_ClusterSize
GetDrive_FreeClusters
GetDrive_TotalClusters
RefreshPhysicalScreen
kbd_pwr_on
Remains to be confirmed:
NSTUB(TakeSemaphore, 0xffc0b850)
NSTUB(UIFS_WriteFirmInfoToFile, 0xffcfa8ec)
NSTUB(kbd_pwr_off, 0xffc2c8c4)
NSTUB(kbd_read_keys_r2, 0xffc2c3c0)
// ALT: NSTUB(kbd_read_keys_r2, 0xffc2c3a4) // 16/6