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Routines |
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Used by the routine at shuttle_block_step.
The first instruction's displacement is patched by shuttle_block to set dX or dY. dZ is set to 1 so that the DEC in the move leaves it at 0: the block floats rather than falling.
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| shuttle_block_move | B6EF | LD (IX+$09),A | dX or dY, patched | |||||
| B6F2 | LD (IX+$0B),$01 | no gravity | ||||||
| B6F6 | JP dec_dZ_wipe_and_draw | move, wipe and draw | ||||||
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