Huh

        MOVE.W SONICX, D0
        CMP.W #$7F, D0
        BNE @SKIPSONICLEFTPOS
        MOVE.W #$80, SONICX
@SKIPSONICLEFTPOS:

        MOVE.W SONICY, D0
        CMP.W #$7F, D0
        BNE @SKIPSONICTOPPOS
        MOVE.W #$80, SONICY
@SKIPSONICTOPPOS:

        MOVE.W SONICX, D0
        CMP.W #$1B1, D0
        BNE @SKIPSONICRIGHTPOS
        MOVE.W #$1B0, SONICX
@SKIPSONICRIGHTPOS:

        MOVE.W SONICY, D0
        CMP.W #$147, D0
        BNE @SKIPSONICBOTTOMPOS
        MOVE.W #$146, SONICY
@SKIPSONICBOTTOMPOS: