* Format all handwritten asm and document some
* Use c preprocessor for constants
* Fix
* Fix PI_STATUS_ERROR, some label improvements
* Avoid hi/lo for constants
* Some more comments
* Properly mark functions as functions and their sizes
* Fix merge
* Improvements
* Review suggestions, rework procedure start/end macros to be more like libreultra
* Move IPL3 symbol definitions into ipl3.s
* Fix undefined_syms, add include and language guards to asm.h and fix the comment in gbi.h
* Consistent hex capitalization, add some MIPS builtin defines to CC_CHECK to behave properly
* Add -no-pad-sections assembler option and clean up alignment in gu files and bzero
* Further suggestions and improvements
* Matrix conversion function clarifications
* Fix passing AVOID_UB to gcc
* Suggestions
* Suggestions, global interrupt mask improvements
* Further suggestions, interrupt mask comments
* Comments fixes, rdb.h
* Switch from # comments to // comments, remove unnecesary .set gp=64 directives
* Further review suggestions
* Missed one
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