| quill | Routines |
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Used by the routines at DRAW_LINE and FREEHAND_ROUTINE.
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| SET_INVERSE_AND_OVER | 64592 | RES 0,(IY+87) | Reset temporary 'over' bit | |
| 64596 | RES 2,(IY+87) | Reset temporary 'inverse' bit | ||
| 64600 | BIT 3,(IX+0) | Check this graphic instruction's over bit | ||
| 64604 | JR Z,SET_INVERSE_AND_OVER_0 | If not set, skip setting it | ||
| 64606 | SET 0,(IY+87) | Set temporary 'over' bit | ||
| SET_INVERSE_AND_OVER_0 | 64610 | BIT 4,(IX+0) | Check this graphic instruction's inverse bit | |
| 64614 | RET Z | If not set, return | ||
| 64615 | SET 2,(IY+87) | Set temporary 'inverse' bit | ||
| 64619 | RET | |||
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