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cmddump(1) General Commands Manual cmddump(1)
Name
cmddump - simulated TRS-80 CMD file loader
Synopsis
cmddump [-d] [-i n] [-m] [-p entry] [-q] [-s] [-t] [-x] infile [outfile
startbyte nbytes]
Description
cmddump displays information about TRS-80 DOS CMD (binary executable)
files. It takes a mandatory input CMD file infile, and an optional
triplet of arguments: an output file outfile, a starting offset of
startbyte into the CMD file infile, and a number of bytes to dump,
nbytes. If startbytes is specified, the given byte range is dumped
from the simulated memory after loading.
The numeric arguments, including that to the option -i, may be given in
any format recognized by strtol(3); in other words, traditional C
literals for decimal, octal, and hexadecimal.
Options
The optional arguments and their parameters direct cmddump as follows.
-d print detailed map; same as -m, but do not coalesce adjacent
blocks
-i n select ISAM entry n
-m print running load map as file is parsed, coalescing adjacent
blocks (implies -t); default
-p entry
select PDS entry entry; cmddump will truncate or right-pad entry
with spaces, as needed, to the required fixed field width
-q quiet; turns off -d, -m, -s, and -t (later flags can override)
-s print summary load map after file is parsed
-t print text of module headers, PDS headers, patch names, and
copyright notices
-x ignore anything after the first transfer address
Author
cmddump was written by Timothy Mann.
See also
xtrs(1)
The LDOS Quarterly, April 1, 1982 (Vol 1, No 4) <http://www.tim-
mann.org/misosys.html>, has documentation of the TRS-80 DOS CMD file
format.
xtrs 2017-04-04 cmddump(1)
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