In 8-bit programming, the inverse of 8 is F8.
8 ^ FF + 1
Knowing that makes it easy to spot the hit box detection values in a game. But Konami typoed in their code! The boring armored suits that just walk back and forth in CV3 have a 1 pixel larger hit box than other enemies when checking for walls. The left bounds are x-9 and the right bounds are x+8. (F7 and
Shame on you Konami! I expected better than this.