d_a_tag_kago_fall OK (#2081)

* WIP, about half done

* Decomp OK

* Some more cleanup and first documentation pass

* Cleaning up unused asm

* Fixing static msg object access and a bit more cleanup

* Updating progress

---------

Co-authored-by: GinNoOokami <noreply>

src/d/msg/d_msg_object.cpp

@@ -1876,7 +1876,7 @@ asm void dMsgObject_c::setSmellType(u8 param_0) {
 #pragma push
 #pragma optimization_level 0
 #pragma optimizewithasm off
-asm void dMsgObject_c::getSelectCursorPos() {
+asm u8 dMsgObject_c::getSelectCursorPos() {
     nofralloc
 #include "asm/d/msg/d_msg_object/getSelectCursorPos__12dMsgObject_cFv.s"
 }