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Routines |
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Handles an object for DrawObject when the view is scrolling to the right, so that only the objects in the strip that has just come into view on the left are drawn. The position of the object is moved across by the width of the view, B0 by the entry point at DrawLeftStrip_AddOffset.
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| DrawLeftStrip | C0F0 | LD HL,($BB9F) | Fetch the position of the object in the view. | |
| C0F3 | LD DE,$00B0 | Set the distance to move the object across, B0. | ||
| C0F6 | LD A,H | Copy the high byte of the position into A. | ||
| C0F7 | CP $80 | Jump to DrawLeftStrip_AddOffset if the position is below 8000. | ||
| C0F9 | JR C,DrawLeftStrip_AddOffset | |||
| C0FB | LD A,L | Copy the low byte of the position into A. | ||
| C0FC | CP $10 | Compare it with 10. | ||
| C0FE | RET NC | Return if the object is not in the strip. | ||
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This entry point is used by the routines at DrawTopStrip and DrawBottomStrip.
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| DrawLeftStrip_AddOffset | C0FF | LD HL,($BB9F) | Fetch the position of the object in the view. | |
| C102 | ADD HL,DE | Add the distance to move across. | ||
| C103 | LD ($BB9F),HL | Store the new position. | ||
| C106 | JR DrawBlock | Draw the block of the object. | ||
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