click here to download S/O/S SyMon III source file (plain text, 165kb)

The above was assembled using TASM with the following
command line (at a DOS prompt):
tasm -65 -l -h -f00 filename.txt

Below is the resulting object file:

click here to download S/O/S SyMon III object file (Intel hex, 19kb)

Source, object files:
Previous update: 5/12/07
Reason: Upgrade, complete rewrite.
This version, SyMon III, replaces
SyMon II. It has been reorganized,
enhanced and fully commentated.

Source, object files:
Previous update: 06/07/07
Reason: fixed mistake in
byte string search utility.
(concomittant input buffer writes
causing incorrect search results)
Fix: allocated separate buffer.

Source, object files:
Last update (current): 10/17/07
Reason: Removed 65C02 instruction:
'DEC A' from some code I added
in a previous update. Done to
restore compatability with the
native 6502 MPU. (Thanks Xavier)

click here to download S/O/S SyMon III user's guide (plain text, 59kb)

click here to download S/O/S SyMon III quick reference (plain text, 14kb)

User's guide, quick reference:
Previous update: 5/12/07
Reason: Upgrade to SyMon III

Quick reference:
Last update: 06/07/07
Reason: reflect changes to
SyMon's zero-page memory usage
due to new input buffer allocation.