Distribution: Public Domain, Emailware.
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Requirements Are:-
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Any Classic Amiga, SEE TEXT BELOW.
Standard Kickstart 2.0x and Workbench 2.0x or better.
RexxMast running, and RX in the path.
PAR: Device installed.
A home built, VERY simple piece of HW to toggle the -ACK line.
http://main.aminet.net/docs/hard/PAR_READ.lha
(This is only required until the board progresses.)
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History:-
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09-05-2008.
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Version 0.00.00, First FEELER/FEEDER upload to AMINET.
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(Apologies for any typos... :-)
This project is a Kids Level Parallel Port Experimental Board.
It can be built on the kitchen table and only basic standard electronic
tools are required.
It is built in several stages.
The Introduction stage contains what you see, some photographs and a few
text files, there are NO construction notes as yet they will be coming
soon.
It uses standard off the shelf electronic components. NOTE, NO ICs AT ALL.
It will be easily capable of working on an older PC with a Parallel Port
and there will be some code to use it eventually in this format using
MS-DOS (TM) and the interpreter QBASIC.EXE. For the time being however
it will be dedicated to the classic AMIGA range of computers.
"Introduction/Pictures" shows the preliminary, WORKING, board and this
will be described very soon after this FEELER/FEEDER upload. The images
are in JP(E)G and HAM formats. The HAM formats are there so that every
machine can view what it is all about.
Note, there is enough ~Real Estate~ on this VeroBoard/StripBoard to add
a few other items, of which there will be some unusual ones.
Those of you out there who are sufficiently capable should be able to
start building this by just studying the photographs alone.
Enjoy...
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The archive is Public Domain/Emailware and you may modify them as you
please for your OWN experiments. See below.
(Original idea and (C)2008 goes to B.Walker, G0LCU.)
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IMPORTANT:-
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The Legal Stuff:-
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These programs are Public Domain and no profit will be made from them,
also all of the files must remain unaltered and intact including this
one. The author is not responsible for any damage to, or loss of, or
failure of equipment or data caused in any way by the use of these
programs. There is NO warranty with the use of these software releases
and YOU USE THEM AT YOUR OWN RISK.
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Testing Evaluation:-
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An A1200 in 2MB, 6MB and 10MB modes using trapdoor memory AND/OR
PCMCIA memory expansions. All memory expansions were ~DISABLED~ using
the NoFastMem program from the System drawer. Also tested on two A600s
with various memory configurations, a 1MB A500+ and an old style A500
with a 0.5MB memory expansion at $C00000 using the A500+ emulator and
Workbench 2.04, and LBNL an A600 emulating KS3.0x and running
Workbench 3.0x. Also tested on an A4000 with various upgrades and
OS3.9x.
All test conditions were/are running STANDARD KS2.0x to 3.9x, and using
standard ~topaz 8~ fonts throughout.
I have no idea what a strange configuration setup will create so refer
to the ~The Legal Stuff~ above.
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WARNING.
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1) DISCONNECT any faulty equipment under test from the MAINS supply.
2) If a DC supply is used do NOT reverse polarity the connections.
3) Do NOT power up any electronic item until it is safe to do so.
4) CHECK and RECHECK all of your construction and repair work thoroughly.
5) Handle ALL tools used with care.
6) Beware of ALL types of solvents, glues and etching fluids.
7) NEVER leave a soldering iron switched on unattended.
8) KEEP everything OUT of the reach of small children.
9) Switch OFF the AMIGA before disconnecting or connecting any hardware.
10) And finally read 1) to 9) again.
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Contact:-
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Mr Barry Walker, G0LCU,
70 King George Road,
Loughborough,
Leicestershire,
LE11 2PA,
England.
Email:- wisecracker tesco.net
URL:- http://homepages.tesco.net/wisecracker/G0LCU.HTM
Author of the ~TestGear?~ projects in the ~docs/hard~ drawer of AMINET.
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A very useful HardWare related site, (C) Anthony Hoffman, for
modifications, schematics, repairs and the like is:-
http://amiga.serveftp.net/
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