Listing subtitle directive
Format
.SUBTITLE quoted-literal
.SBTTL quoted-literal
1 – Parameter
quoted-literal
An ASCII string enclosed in quotes from 1 to 31 characters long;
excess characters are truncated.
2 – Description
.SUBTITLE causes the assembler to print the line of text as
the subtitle on the second line of each assembly listing page.
This subtitle text is printed on each page until altered by a
subsequent .SUBTITLE directive in the program.
3 – Notes
o The alternate form of .SUBTITLE is .SBTTL.
o This directive also accepts VAX MACRO syntax. See the
VAX MACRO and Instruction Set Reference Manual for details.
4 – Example
.SUBTITLE "Terminal Display Routines"