$80:AF66

From ZAMN Hacking
ROM address data
Length 0x95
Type Code
Name bgSolidToSpecialMonsters
Description Gets whether the background blocks snakeoids, werewolf jumps, and vampires from landing at the given position
Arguments/Return value X = [int16] X position
Y = [int16] Y position
Returns C = [boolean] Whether it's solid
Return type RTL