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Routines |
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Used by the routines at EndSegment and FillSlopeEdge.
Finishes a segment. When the world is scrolling vertically and steps of the segment have been counted, the edge of the segment is drawn by DrawVerticalEdge. Otherwise the attributes of the segment are coloured with ColourSegment.
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| FinishSegment | D7F8 | EXX | Switch to the alternate registers. | |
| D7F9 | LD A,($CCBA) | The vertical scroll speed. | ||
| D7FC | AND A | Jump to FinishSegment_Colour if A is zero. | ||
| D7FD | JR Z,FinishSegment_Colour | |||
| D7FF | LD A,($CE54) | The steps already drawn. | ||
| D802 | AND A | Jump to DrawVerticalEdge if A is not zero. | ||
| D803 | JP NZ,DrawVerticalEdge | |||
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This entry point is used by the routine at DrawVerticalEdge.
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| FinishSegment_Colour | D806 | CALL ColourSegment | Call ColourSegment. | |
| D809 | EXX | Switch to the alternate registers. | ||
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Continue on to NextSegment.
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