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Routines |
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Used by the routines at HandleCircuitMouse and HandleBouncingMouse.
Lowers the object by 12 and doubles its height, so that it covers both parts of a robot mouse. It also sets bit 1 of the flags of the next object, so that collision tests ignore it. RestoreObjectHeight undoes this.
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Cover both parts of the mouse.
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| ExtendObjectDownwards | 45562 | LD A,(IX+3) | Fetch the height of the object. | |||||
| 45565 | SUB 12 | Subtract 12. | ||||||
| 45567 | LD (IX+3),A | Set the height of the object. | ||||||
| 45570 | SLA (IX+6) | Double the height of the object. | ||||||
| 45574 | SET 1,(IX+39) | Set bit 1 of the next object's flags. | ||||||
| 45578 | RET | Return. | ||||||
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