Routines
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C907: Nudge Object East West
Gives the player a push of one along y, towards the y position that is held in the speed along y of a door.
Input
IX Door record
IY Record of the legs of the player
Push one step towards the door along y.
NudgeObjectEastWest C907 LD A,(IX+$0A) Fetch the y position of the place in front of the door.
C90A CP (IY+$02) Compare it with the y position of the player.
C90D JR Z,NudgeObjectNorthSouth_Done Jump to NudgeObjectNorthSouth_Done if they are the same.
C90F LD A,$01 Set the push to one.
C911 JR NC,NudgeObjectEastWest_Set Jump to NudgeObjectEastWest_Set if the place is further along than the player.
C913 NEG Make the push minus one.
NudgeObjectEastWest_Set C915 LD (IY+$0F),A Set the push along y of the player.
C918 JR NudgeObjectNorthSouth_Done Jump to NudgeObjectNorthSouth_Done.
View the equivalent code in;
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