Routines
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CF95: Limit Displacement
Used by the routine at MoveEntity.
Limits the displacement of the player to less than 09C0 if the player is in a certain range of positions. Purpose not yet known.
Input
HL The displacement
IX The entity
Output
HL The limited displacement
LimitDisplacement CF95 LD A,(IX+$0E) Fetch the column.
CF98 CP $84 Jump to CF9F if it is 84 or more.
CF9A JR NC,LimitDisplacement_Skip
CF9C CP $25 Compare A with 25.
CF9E RET NC Return if the carry flag is reset.
LimitDisplacement_Skip CF9F LD DE,$09C0 DE is 09C0.
CFA2 SBC HL,DE Subtract DE from HL. (with the carry)
CFA4 RET NC Return if the carry flag is reset.
CFA5 ADD HL,DE HL takes DE.
CFA6 RET Return.
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