X and Y position and speed as well as subposition and subspeed. Sometimes useful, like when you're drilling into a wall..
SystemID GEN
000196 w s 1 68K RAM Horzontal speed
000197 w s 1 68K RAM x subspeed
000176 w u 1 68K RAM X position
000177 w u 1 68K RAM x subpixel
00017A w u 1 68K RAM Y Position
00017B w u 1 68K RAM y subpixel
00019A w s 1 68K RAM Y Speed
00019B w s 1 68K RAM y subspeed
002F0A w u 1 68K RAM x pos for enemy 0
002F0B w u 1 68K RAM x subpixel enemy 0
002F0E w u 1 68K RAM y pos enemy 0
002F0F w u 1 68K RAM y sub enemy 0