Meta-Assembler (MASM) Programming Reference Manual

MASM Usage
2.2. Output
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MASM produces the following types of output that are under the control of the user:
Printed listing
Relocatable binary (RB), output module (OM), omnibus element, or symbolic output
Updated source input
The MASM processor controls the printed listing by allowing text lines to be inserted
and new pages started for readability. Insertion of commentary text is easy and
encourages clear and complete program documentation. The listing can be partially
or completely suppressed.
2.2.1. Output Fields
From left to right, the printed output is divided into the following fields:
Field 1 starts in the first print position and contains error flags, if any.
Field 2 contains the location counter number and value. It is void unless a
relocatable binary element or object module was produced. This field is controlled
by the O option.
Field 3 contains the octal or hexadecimal value associated with the interpretation of
field 5. This field is controlled by the O option.
Field 4 contains source line numbers. It can have several formats.
If two columns of numbers are present, then the left column contains the line
numbers of the source output and the right column contains the line numbers of the
source input (V option listing).
If only one column of numbers is present, then these numbers are the line numbers
of the source output. If the element contains only images produced by the
Conversational Time Sharing (CTS) system (which implies no corrections were
applied through the symbolic input/output routine), there is a single column of CTS
line numbers.
This field is controlled by the C option.
Field 5 contains the source image seen by MASM. This field is controlled by the C
option.
If the element contains only images produced by EDIT 1100 in the Interactive
Processing Facility (IPF 1100) environment, there is a single column of sequential
line numbers. MASM does not produce segmented line numbers.
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