Added missing return, then cleaned up

AUXU needed to be byteswapped.

Fix Uixa parentheses, add 'u' after unsigned constants.
Jumps now use red like the comparison opcodes.

Was ExpSourceThing

Added unmentioned keyboard controls to the table

Lists every IChain that's in the bitvector

Saves copies of every node's bitvectors before and after code motion

Graphnode successors/predecessors added to examine window

Fix memory leaks and highlighting bugs

* Debugging functions

* Implement tiling windows, reorganize files

* Add examine function, stack viewer, more tiles

Stack, reg assignments, bitvectors, ucode output

Global 'c'olor and e'x'amine keys

* Collect ucode output from reemit

* Add screenshot

* Cleanup, change label format

* Highlight register sets, change 'V' behavior

'v' now acts like 'V' used to. Each press highlights parts of the line
at a greater depth.

'V' now decreases the depth, highlighting the previous level's parts.

* Update README

Keyboard controls table, slightly better compilation instructions
(compared to nonexistent)

* Update README.md

* Update README.md

* Small refactor

Preparation for ucode input tile

* Add script to run the debugger

Modified from import.py in simonlindholm/decomp-permuter

* Update README

* Fix udb.py to work from other working directories

* Update README

* Fixes and features

Reorder tile menu entries so that the useful ones are at the top

Follow copy propagation so that highlighting is consistent

Improve LiveUnit output

Print InterfereLists

Add printing for variables that are only accessed by Ulda. Disabled
for now because ldatab is freed after prepass()

Initial support for linked list members in examine

More random highlight functions

* Remove whitespace, change liverange highlighting

* Ucode syntax highlighting, fix lda offsets

Opcodes are highlighted based on the type of operation

cup, par, and ret are highlighted yellow, arithmetic operations are
highlighted orange, etc. See ucode_print.c.

* Update screenshot

* Small refactor

Co-authored-by: Ryan Myers <ryan.p.myers@gmail.com>

GENMASK32 still wasn't right.
SET_ADD used instead of SET_INIT.
LITTLE_ENDIAN was defined in glibc, replaced with UOPT_LITTLE_ENDIAN.

* Compile on x86, fix warnings

* Suport compiling for x86

* Use LITTLE_ENDIAN define instead of arch-specific

* Cleanup

* Add asm back to files

* Remove static asserts in libmld

not needed since long_i and ulong_i are always int / unsigned int
The only struct in sym.h with a pointer, RPDR, is unused

The swap functions don't seem to swap bitfields right. (but I could be
testing them wrong).

Last file in uopt/