Routines
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25296: Move Percy Down
Used by the routine at MainGameLoop.
Input
IX Pointer to Percy's state data
D Number of pixels to move
MovePercyDown 25296 LD A,(IX+1) Load A with Percy's Y position (*IX+1).
25299 ADD A,D Write A + the number of pixels to move (from D) back to *IX+1.
25300 LD (IX+1),A
25303 RET Return.
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