Some really heavyweight machine language utilities for
the more advanced user, all of which are fully and most comprehensively
documented. Only a brief outline is possible here as the documentation
runs into a dozen or so pages. First up is DUD.OBJ which is a Dataset
Utility Dump ported over from the IBM world which allows dumps to
printer or screen of any DOS file, any memory address range or any disk
sectors. Use of each of these is fully explained. SHADOW.OBJ is a file
copy/disk reorganisation utility that can copy a whole batch of selected
files in one go, copy from single to double density, make damaged disks
usable by mapping out faulty sectors and more. It will also copy DOS.SYS
across to another disk which few other copiers can cope with. PROBJ.OBJ
is a general purpose utility for manipulating object files. It can
produce a RAM address map of the segments in a file together with the
associated disk sectors, produce a new load file with 'compressed'
segments to save on disk space, allow a single load file to be broken
into different segments and zap bytes in the new load file. Very
comprehensive instructions are included for this one. The final two are
BLOC, a stand alone utility for compressing binary load files to save
disk space and TRANS, the original Atari XL fixer to enable your XL or
XE to run as an old 400/800. A great set of utilities for more advanced
users, all in machine code and, uniquely, with a very comprehensive set
of instructions.
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