This routine is only available on Doors CSE 8.0 and later for the color-screen TI-84 Plus C Silver Edition.
Inserts a line into a program or AppVar. Ans=1 is the first line of the program, Ans=2 is the second, and so on.
Str0: Name of program to write to
Ans: Line number to write to(first line is "1")
Str9: Material to insert into a program. The line that was occupied is shifted down one line and this string is inserted into the resulting location.
Str9: Intact if no error occurred; otherwise, contains an error code.