23 Apr
2021
23 Apr
'21
1:11 a.m.
Hi folks,
I just got pipped on an auction for one of these last night, clearly someone needed it
more than me and I hope it was for a real usage reason and not just to add to their
collection of MDS-related machines.
I?ve been looking for an 8085 ICE for ages now to help troubleshoot my STC Executel phone
systems so this seemed like an ideal opportunity to get my hands on one but hey, that?s
how auctions work. This one also has an external 37 pin floppy interface so I was hoping I
could hook up an 8? drive to be able to read the Executel source floppy disks I have.
Does anyone have one in the UK they don?t need/taking up too much space etc?
This weekend I?ll be investigating getting a Greaseweazle running with an 8? drive now
that I have all the components to power my Shugart 860.
(I now await comments along the lines of ?what do you need an ICE for when you have a DMM,
scope and LA - easy answer: the whole environment was designed on an MDS80 so it would be
fun)
Cheers,
--
Adrian Graham
Owner of Binary Dinosaurs, the UK's biggest private home computer collection?
t: @binarydinosaurs f: facebook.com/binarydinosaurs
w: www.binarydinosaurs.co.uk
23 Apr
23 Apr
1:46 a.m.
On 4/23/2021 1:11 AM, Adrian Graham via cctalk wrote:
8085 ICE
?scope and LA
The latter will only let you trace but have run control to stop or do
other actions (dump rom and memory spaces).? Sometimes there are tricks
to dump the memory space w/o ICE, but still nice to have an idea what is
going on and being able to dump registers, etc.
BTW ICE is more useful for development and finding design flaws rather
than troubleshooting.? Saying this as an employee of a maker of an ARM,
Intel x86 / x64, Itanium and AMD processors.
The other ICE I had (may have survived) is two Z8 boxes, and a few of
the Intel ICEs for 286 and 386.
Having the processor not functional means it isn't likely that the ICE
will do anything w/o applying effort to figure why it goes nuts in the
first place.
If you are after bit rot, however it might be nice to use.
I am guessing you put up the same complaint over on Twitter?
Do you have any parts of the MDS, or were you looking for the entire rig
with the 8085 ICE?? A friend has a ton of parts from a scrapping
operation eon ago, could check with him if you have a working MDS to see
if he has any complete ICE for that.
thanks
Jim
2 a.m.
Hi Jim,
The latter will only let you trace but have run
control to stop or do other actions (dump rom and memory spaces). Sometimes there are
tricks to dump the memory space w/o ICE, but still nice to have an idea what is going on
and being able to dump registers, etc.
This is what I?m after, also being able to walk the RAM space or single step one of my RAM
testing ROMs that I?ve put together. I?d love to be able to put together a RAM/ROM style
board in the same vein as Dave Curran?s PET RAM/ROM board, still learning the skills
required to be able to do that though.
If you are after bit rot, however it might be nice to
use.
Very much this, but bit rot caused by battery rot.
I am guessing you put up the same complaint over on
Twitter?
Yup :)
Do you have any parts of the MDS, or were you looking
for the entire rig with the 8085 ICE? A friend has a ton of parts from a scrapping
operation eon ago, could check with him if you have a working MDS to see if he has any
complete ICE for that.
Unfortunately not, and given the price that they go for these days I?m very unlikely to
get one. I don?t yet have a need to access the full ISIS development suite used to build
the Executel software, but being able to read the source code would be very handy in
watching the machine working with the LA, I?ve found quite a few faults with them between
the analyser and scope.
Keir Fraser?s Greaseweazle should be capable of reading 8? floppies and the tools are
available to translate the output file into a working disk image I can extract the source
files from - the floppies look to have been kept in a reasonable environment and haven?t
gone obviously mouldy yet.
Cheers,
--
Adrian Graham
Owner of Binary Dinosaurs, the UK's biggest private home computer collection?
t: @binarydinosaurs f: facebook.com/binarydinosaurs
w: www.binarydinosaurs.co.uk
3:37 a.m.
On Fri, 23 Apr 2021, Adrian Graham wrote:
I just got pipped on an auction for one of these last
night, clearly
someone needed it more than me and I hope it was for a real usage reason
and not just to add to their collection of MDS-related machines.
I?ve been looking for an 8085 ICE for ages now to help troubleshoot my
STC Executel phone systems so this seemed like an ideal opportunity to
get my hands on one but hey, that?s how auctions work. This one also has
an external 37 pin floppy interface so I was hoping I could hook up an
8? drive to be able to read the Executel source floppy disks I have.
Reminds me that we got three iPDS-100 several weeks ago. Two have
additional bubble memory modules, and there's one extra external floppy
drive. And yes, there are some 8085 ICE and EPROM programmes with them ;-)
Very nice systems!
Christian
3:38 a.m.
On 23 Apr 2021, at 11:37, Christian Corti via cctalk
<cctalk at classiccmp.org> wrote:
On Fri, 23 Apr 2021, Adrian Graham wrote:
Thanks :P
--
Adrian Graham
Owner of Binary Dinosaurs, the UK's biggest private home computer collection?
t: @binarydinosaurs f: facebook.com/binarydinosaurs
w: www.binarydinosaurs.co.uk
I just got pipped on an auction for one of these
last night, clearly someone needed it more than me and I hope it was for a real usage
reason and not just to add to their collection of MDS-related machines.
I?ve been looking for an 8085 ICE for ages now to help troubleshoot my STC Executel phone
systems so this seemed like an ideal opportunity to get my hands on one but hey, that?s
how auctions work. This one also has an external 37 pin floppy interface so I was hoping I
could hook up an 8? drive to be able to read the Executel source floppy disks I have.
Reminds me that we got three iPDS-100 several weeks ago. Two have additional bubble
memory modules, and there's one extra external floppy drive. And yes, there are some
8085 ICE and EPROM programmes with them ;-)
Very nice systems!
Christian
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days inactive
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