2.8.6 SGSTXI

1.
Function
Sets the line index for a text drawn with SGTXU, SGTXV, and SGTXR.
2.
Call
CALL SGSTXI(INDEX)
3.
Explanation of Parameters
INDEX (I) The line index of a text. (See Section 1.7. Initial value is 1.)
4.
Notes
(a)
INDEX must be larger than 1. When  INDEX is 0, a message is printed, and no other steps are taken.
(b)
The validity of the INDEX is not checked in this routine. It is checked when SGTXU, SGTXV, or SGTXR is called.
(c)
The current line index for the text can be inquired by
CALL SGQTXI(INDEX)
.