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Routines |
| Prev: B866 | Up: Map | Next: B8A2 |
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Used by the routine at BlockMovementInZ.
Flags the object that a part of the player, or a block of type 5B, has landed on, by setting bit 7 of its handler flags. Nothing is done for any other type of object.
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Test whether the object is a block or a part of the player.
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| MarkObjectBelow | B890 | LD A,(IX+$00) | Fetch the type of the object. | |||||||
| B893 | CP $5B | Jump to MarkObjectBelow_Set if it is a block of type 5B. | ||||||||
| B895 | JR Z,MarkObjectBelow_Set | |||||||||
| B897 | CP $20 | Compare the type with 20, the first part of the player. | ||||||||
| B899 | RET C | Return if it is lower. | ||||||||
| B89A | CP $28 | Compare the type with 28. | ||||||||
| B89C | RET NC | Return if it is higher, which means that it is not a part of the player. | ||||||||
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Flag the object that has been landed on.
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| MarkObjectBelow_Set | B89D | SET 7,(IY+$17) | Flag the object as having a player or block on it. | |||||||
| B8A1 | RET | Return. | ||||||||
| Prev: B866 | Up: Map | Next: B8A2 |