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Routines |
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Used by the routine at ud_ball_rise_or_fall.
dZ is set to 3 every frame, so after the move's DEC it rises a steady two units. Once above the ceiling it is marked as falling, and gravity takes over from the next frame.
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| ball_up | B894 | LD (IX+$0B),$03 | up two units | |
| B898 | CALL dec_dZ_and_update_XYZ | |||
| B89B | LD A,($5BBD) | above the ceiling? start falling | ||
| B89E | CP (IX+$03) | |||
| B8A1 | JR NC,ud_ball_draw | |||
| B8A3 | RES 2,(IX+$0D) | |||
| B8A7 | JR ud_ball_draw | |||
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