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Routines |
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Used by the routines at HandleCircuitMouse and HandleBouncingMouse.
Lowers the object by 0C 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 | B1FA | LD A,(IX+$03) | Fetch the height of the object. | |||||
| B1FD | SUB $0C | Subtract 0C. | ||||||
| B1FF | LD (IX+$03),A | Set the height of the object. | ||||||
| B202 | SLA (IX+$06) | Double the height of the object. | ||||||
| B206 | SET 1,(IX+$27) | Set bit 1 of the next object's flags. | ||||||
| B20A | RET | Return. | ||||||
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