Routines
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54153: Find Path Entry
Used by the routine at FollowPath.
Finds the entry of the level data for the path of an entity. The entries are in a list that is found just before the level header at LevelHeaderAddress.
Input
IX The entity
Output
HL The address in the entry
FindPathEntry 54153 LD HL,(23806) The list sits just before the level header.
54156 DEC HL
54157 LD A,(IX+36) Twice bits 0-5 of field 36 select the entry.
54160 AND 63
54162 ADD A,A
54163 LD E,A
54164 LD D,0
54166 AND A Step back that far in the list.
54167 SBC HL,DE
54169 LD E,(HL) The entry's address.
54170 INC HL
54171 LD D,(HL)
54172 LD HL,4 Four bytes into the entry.
54175 ADD HL,DE
54176 LD A,(HL) The reward byte, remembered for FollowPath.
54177 LD (53970),A
54180 LD DE,8 Eight bytes further on is returned.
54183 ADD HL,DE
54184 RET Return.
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