![]() |
Routines |
| Prev: D937 | Up: Map | Next: D990 |
|
Used by the routine at CountVerticalContact.
Stores the pixel position of the start of the segment, with the offsets of the view added, in StartColumn and StartRow.
|
||||
| NoteSegmentStart | D979 | LD A,($CE43) | The segment column. | |
| D97C | LD B,A | B=A. | ||
| D97D | LD A,($CE41) | The horizontal offset. | ||
| D980 | ADD A,B | A gains B. | ||
| D981 | LD ($CE55),A | Update the start column. | ||
| D984 | LD A,($CE44) | The segment row. | ||
| D987 | LD B,A | B=A. | ||
| D988 | LD A,($CE42) | The vertical offset. | ||
| D98B | ADD A,B | A gains B. | ||
| D98C | LD ($CE56),A | Update the start row. | ||
| D98F | RET | Return. | ||
| Prev: D937 | Up: Map | Next: D990 |