For each pixel along the line in PICT defined by the specified coordinates, TLINE turns off every pixel that is on, and turns on every pixel that is off.
Level 2
Level 1
->
Level 1
(x1, y1)
(x2, y2)
->
{ #n1#m1 }
{ #n2#m2 }
->
Adrian Drury
Last modified: Sun Jun 21 17:32:01 EDT 1998