834 Appendix A: Functions and Instructions
LineHorz CATALOG
LineHorz
y
[,
drawMode
]
Displays the Graph screen and draws, erases, or
inverts a horizontal line at window position
y
.
If
drawMode
= 1, draws the line (default).
If
drawMode
= 0, turns off the line.
If
drawMode
= ë 1, turns a line that is on to off or
off to on (inverts pixels along the line).
Note: Regraphing erases all drawn items. See
also
PxlHorz.
In a
ZoomStd window:
LineHorz 2.5 ¸