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Routines |
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Moves the spray can which Robbie is carrying to its new position, which Robbie works out in IX+5 and IX+6. When Robbie puts the can in a cubby hole, IX+4 is set to 1 and the can is made inactive after it has been drawn for the last time.
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| UpdateSprayCan | 28370 | CALL StoreEntity | Remember the position and state using StoreEntity. | |||||
| 28373 | LD A,(IX+5) | A=the new X position from IX+5. | ||||||
| 28376 | LD (IX+1),A | Write it to the X position. | ||||||
| 28379 | LD A,(IX+6) | A=the new Y position from IX+6. | ||||||
| 28382 | LD (IX+2),A | Write it to the Y position. | ||||||
| 28385 | CALL DisplayEntity | Erase the sprite at the previous position and draw it at the new position using DisplayEntity. | ||||||
| 28388 | CALL ColouriseSprite | Colour the sprite using ColouriseSprite. | ||||||
| 28391 | BIT 0,(IX+4) | Test bit 0 of IX+4 (the can is being put away). | ||||||
| 28395 | RET Z | Return if it is not. | ||||||
| 28396 | LD (IX+0),0 | Write 0 to IX+0 (the can is inactive). | ||||||
| 28400 | RET | Return. | ||||||
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