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Routines |
| Prev: D273 | Up: Map | Next: D2B2 |
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Used by the routine at DrawStripGraphic.
Skips the rows of a strip that are below PixelBuffer. A is the number of those rows, negated. It starts drawing at 48 and jumps to DrawStripGraphic_Draw.
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Skip the rows that are below the buffer.
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| ClipEdgeStripTop | D2A2 | NEG | Make the number of rows positive and keep it in C. | |||||||
| D2A4 | LD C,A | |||||||||
| D2A5 | LD A,(HL) | Fetch the height of the strip. | ||||||||
| D2A6 | INC HL | |||||||||
| D2A7 | SUB C | Subtract the rows that are below. | ||||||||
| D2A8 | RET M | Return if there are none left. | ||||||||
| D2A9 | RET Z | |||||||||
| D2AA | LD B,$00 | Skip the image data for those rows. | ||||||||
| D2AC | ADD HL,BC | |||||||||
| D2AD | ADD HL,BC | |||||||||
| D2AE | LD D,$48 | Set the vertical position to 48. | ||||||||
| D2B0 | JR DrawStripGraphic_Draw | Jump to DrawStripGraphic_Draw. | ||||||||
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View the equivalent code in;
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| Prev: D273 | Up: Map | Next: D2B2 |