Retro Game Mechanics acronyms

This is a list of acronyms mentioned in the excellent video series Retro Game Mechanics on the Super Nintendo:

TM=through main

TS=through sub

TMW=through main window

TSW=through sub window

W1En=window 1 enable

W2En=window 2 enable

W1IO=window 1 in/out

W2IO=window 2 in/out

WinLog=window combination logic

MainSW=

SubSW=

BG3Pri=BG3 high priority switch

COLDATA=fixed color

Fix/Sub=fixed color subscreen switch

MathEn=color math enable flags

Add/Sub=

HalfEn=half enable flag