| ← C61D | Map | C76D → |
C73D: Initialize an object from the spawn tables
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Initializes a freshly allocated logic record, laid out as the secondary object's logic record, from the type's initial heading, speed and singleton flag. It clears the record's counters and animation, and sets the state to spawn.
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| spawn_object_init | C73D | LD E,B | The heading comes from the type's entry in the initial-heading table. | ||||||
| C73E | LD D,$00 | ||||||||
| C740 | LD HL,spawn_heading_table | ||||||||
| C743 | ADD HL,DE | ||||||||
| C744 | LD A,(HL) | ||||||||
| C745 | LD (IY+$00),A | ||||||||
| C748 | LD HL,spawn_speed_table | The movement speed comes from the type's own entry. | |||||||
| C74B | ADD HL,DE | ||||||||
| C74C | LD A,(HL) | ||||||||
| C74D | LD (IY+$01),A | ||||||||
| C750 | LD HL,spawn_singleton_table | The singleton flag comes from the type's entry; non-zero blocks a second live instance. | |||||||
| C753 | ADD HL,DE | ||||||||
| C754 | LD A,(HL) | ||||||||
| C755 | LD (IY+$0D),A | ||||||||
| C758 | LD (IY+$09),$00 | Clear the two counters and the animation frame. | |||||||
| C75C | LD (IY+$0A),$00 | ||||||||
| C760 | LD (IY+$0B),$00 | ||||||||
| C764 | LD (IY+$0E),$00 | Clear the animation timer and set the state to spawn, the state the spawn animation runs from. | |||||||
| C768 | LD (IY+$0C),$01 | ||||||||
| C76C | RET | ||||||||
| ← C61D | Map | C76D → |