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Routines |
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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 72 and jumps to DrawStripGraphic_Draw.
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Skip the rows that are below the buffer.
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| ClipEdgeStripTop | 53922 | NEG | Make the number of rows positive and keep it in C. | |||||||
| 53924 | LD C,A | |||||||||
| 53925 | LD A,(HL) | Fetch the height of the strip. | ||||||||
| 53926 | INC HL | |||||||||
| 53927 | SUB C | Subtract the rows that are below. | ||||||||
| 53928 | RET M | Return if there are none left. | ||||||||
| 53929 | RET Z | |||||||||
| 53930 | LD B,0 | Skip the image data for those rows. | ||||||||
| 53932 | ADD HL,BC | |||||||||
| 53933 | ADD HL,BC | |||||||||
| 53934 | LD D,72 | Set the vertical position to 72. | ||||||||
| 53936 | JR DrawStripGraphic_Draw | Jump to DrawStripGraphic_Draw. | ||||||||
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View the equivalent code in;
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