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
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.