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Start/Stop Source Listing
.list/.nolist
4-61
Assembler Directives
Syntax
.list
.nolist
Description
Two directives enable you to control the printing of the source listing:
-
The .list directive allows the printing of the source listing.
-
The .nolist directive suppresses the source listing output until a .list direc-
tive is encountered. The .nolist directive can be used to reduce assembly
time and the source listing size. It can be used in macro definitions to sup-
press the listing of the macro expansion.
The assembler does not print the .list or .nolist directives or the source state-
ments that appear after a .nolist directive. However, it continues to increment
the line counter. You can nest the .list /.nolist directives; each .nolist needs a
matching .list to restore the listing.
By default, the source listing is printed to the listing file; the assembler acts as
if the .list directive had been specified. However, if you don’t request a listing
file when you invoke the assembler, the assembler ignores the .list directive.
Example
This example shows how the .copy directive inserts source statements from
another file. The first time this directive is encountered, the assembler lists the
copied source lines in the listing file. The second time this directive is encoun-
tered, the assembler does not list the copied source lines, because a .nolist
directive was assembled. Note that the .nolist, the second .copy, and the .list
directives do not appear in the listing file. Note also that the line counter is in-
cremented, even when source statements are not listed.
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