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Routines |
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Used by the routine at DrawNextObject.
Draws an object into the screen buffer. An object that has the graphic number 1 is removed instead, by making it null.
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| DrawObject | 55044 | LD A,(IX+0) | Fetch the graphic number and test whether it is the one that removes the object. | |||||
| 55047 | CP 1 | |||||||
| 55049 | JR NZ,DrawNextObject_Draw | Jump to DrawNextObject_Draw if it is not. | ||||||
| 55051 | LD (IX+0),0 | Make the graphic number null. | ||||||
| 55055 | RET | Return. | ||||||
| DrawNextObject_Draw | 55056 | RES 4,(IX+7) | Flag the object as not to be drawn. | |||||
| 55060 | CALL CalculatePixelCoordinates | Work out the pixel coordinates. | ||||||
| 55063 | RET NC | Return if the sprite is off the top of the screen. | ||||||
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Continue on to PrintSprite.
View the equivalent code in;
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