Routines
Prev: C907 Up: Map Next: C92C
C91A: Nudge Object North South
Gives the player a push of one along x, towards the x position that is held in the speed along x of a door.
Input
IX Door record
IY Record of the legs of the player
Push one step towards the door along x.
NudgeObjectNorthSouth C91A LD A,(IX+$09) Fetch the x position of the place in front of the door.
C91D CP (IY+$01) Compare it with the x position of the player.
C920 JR Z,NudgeObjectNorthSouth_Done Jump to NudgeObjectNorthSouth_Done if they are the same.
C922 LD A,$01 Set the push to one.
C924 JR NC,NudgeObjectNorthSouth_Set Jump to NudgeObjectNorthSouth_Set if the place is further along than the player.
C926 NEG Make the push minus one.
NudgeObjectNorthSouth_Set C928 LD (IY+$0E),A Set the push along x of the player.
This entry point is used by the routine at NudgeObjectEastWest.
NudgeObjectNorthSouth_Done C92B RET Return.
Prev: C907 Up: Map Next: C92C