The addresses are for the Debug ROM.
So, from what I've gathered it is common practice when modifying links display lists to start by simply removing all the far-view (low-poly) display lists to gain space. And by doing so, you'd also have to change all the pointers that leads to the far-view display lists to their respective near-view display lists.
Well, I just spent a bit of time looking up where the game actually decides when to use the far-view and near-view display lists.
What it does is it check how far away link is from the camera using float values.
If the distance is 0x43200000 / 160.0 or higher, it will go over to the far-view display lists.
As reference, when in first person camera the distance is roughly -33 (negative distance since link is behind the camera)
Near-view display lists are also forced in cutscenes, and possibly other situations as well.
The branch used to force near-view in these situations is
0x00C194B4 BNEZ T3, 0x803EA7E4
. You can set it to always branch here if you want to always force near-view display lists.
You can also change the branch address to 0x803EA7EC and add
ADDIU T4, R0, 0x0001
below it to always force far-view display lists.
0x00C194C4 LUI AT, 0x4320 #Set the far-view distance to 0x43200000
0x00C194C8 MTC1 AT, F6 #Move AT to F6
0x00C194CC LWC1 F4, 0x00EC(S0) #Load camera distance to F4
0x00C194D0 ADDIU T4, R0, 0x0001 #Set T4 to 0x1. This is the modifier used to point to far-view display lists
0x00C194D4 C.LT.S F4, F6 #True if F4 is less than F6 (If you are within near-view distance)
0x00C194D8 NOP #
0x00C194DC BC1FL 0x803EA7F0 #Branch Likely if false (If you're in far-view distance)
0x00C194E0 SW T4, 0x008C(SP) #Set the display-list modifier to T4 (0x1), far-view display lists will be used
0x00C194E4 BEQ R0, R0, 0x803EA7F0 #Branch to 0x803EA7F0 (The game branches to this command when near-view is forced)
0x00C194E8 SW R0, 0x008C(SP) #Set the display-list modidier to R0 (0x0), near-view display lists will be used
0x00C194EC SW T4, 0x008C(SP) #Same as 0x00C194E0. Should always branch past this?
So, you can force either near-view or far-view display lists by setting 0x008C(SP) to 0x0 or 0x1. You can also change the distance used to determine display lists.
Note that this isn't a flag, it is a modifier which is shifted left twice (0x1 becomes 0x4) and added to the address when loading the display list pointer.