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lowen
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lowen
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Yesterday,
12:59 PM
fritzeflink
replied to a thread
8080 disassembler
in
CP/M and MP/M
@durgadas311 it works, I had a typo :-) @mike_z I use the dazzlestar since the 80th. I just took a look onto my MYZ80 Z3plus as I know where...
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13 replies | 144 view(s)
Yesterday,
07:13 AM
fritzeflink
replied to a thread
8080 disassembler
in
CP/M and MP/M
My dazzlestar run well under CP/M and I even just take a look onto @durgadas311 JAVA version of dazzle. It's nice - I only like to get some...
see more
13 replies | 144 view(s)
Yesterday,
05:45 AM
lowen
replied to a poll
System architecture for a Z380 TRS-80 compatible.
in
Tandy/Radio Shack
Hi, Fritz! Good to see you around!
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8 replies | 121 view(s)
Yesterday,
05:32 AM
fritzeflink
replied to a poll
System architecture for a Z380 TRS-80 compatible.
in
Tandy/Radio Shack
Hi lowen... I'm with you.;)
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8 replies | 121 view(s)
Yesterday,
02:09 AM
lowen
replied to a poll
System architecture for a Z380 TRS-80 compatible.
in
Tandy/Radio Shack
You mention two of the Z380's killer features. The greatly expanded instruction set is another. This is an excellent question, by the way, as too...
see more
8 replies | 121 view(s)
January 13th, 2021,
07:12 PM
lowen
replied to a poll
System architecture for a Z380 TRS-80 compatible.
in
Tandy/Radio Shack
For something to drop in to an existing system, you basically have the Z180 (in either Z80180 or Z8S180 form, or even the HD64180) or the Z280. ...
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8 replies | 121 view(s)
January 13th, 2021,
07:03 PM
lowen
replied to a poll
System architecture for a Z380 TRS-80 compatible.
in
Tandy/Radio Shack
First, thanks for the question, because one of the biggest lessons I learned in 2020 is that 'feeping creaturism' is the enemy. I want to be as...
see more
8 replies | 121 view(s)
January 13th, 2021,
05:37 PM
lowen
started a poll
System architecture for a Z380 TRS-80 compatible.
in
Tandy/Radio Shack
So, after a lot of investigation and thought, I have found that it really isn't feasible to make a 100% compatible super TRS-80 using an eZ80F91 as...
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8 replies | 121 view(s)
January 13th, 2021,
07:21 AM
lowen
replied to a thread
TRS-80 Model II/12/16/16b/6000 Expansion Card Protoboards.
in
Tandy/Radio Shack
Well, this is a real quandary. I want a couple, but I don't want to get them and them sit in a box and potentially not be able to find them when I...
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7 replies | 222 view(s)
January 13th, 2021,
07:09 AM
lowen
started a thread
2021 Vintage plans, and 2020 lessons learned.
in
General Vintage Computer Discussions
One of the neat things about being a member of this group, is to read the huge variety of projects being worked on by so many various people. ...
see more
1 replies | 78 view(s)
January 12th, 2021,
08:31 PM
lowen
replied to a thread
On to the next problem: Model 4 FDC issues
in
Tandy/Radio Shack
I don't think you're on the one I'm talking about; I haven't seen you join yet. I'm on my phone and not at a PC right now, so a short reply.......
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11 replies | 232 view(s)
January 12th, 2021,
08:26 PM
lowen
replied to a thread
For sale
in
Vintage Computer Items For Sale or Trade
Mr. Martin, who knows, your stuff may show up when you least expect it; never give up hope.
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36 replies | 4529 view(s)
January 11th, 2021,
01:30 PM
lowen
replied to a thread
On to the next problem: Model 4 FDC issues
in
Tandy/Radio Shack
Hmm, may need an invite. There is a SteveH there, but I guess that's NOT you.... so I've PMed you an invite; it expires in 24 hours. You have...
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11 replies | 232 view(s)
January 11th, 2021,
11:01 AM
lowen
replied to a thread
On to the next problem: Model 4 FDC issues
in
Tandy/Radio Shack
While I know you're very experienced with vintage machines, you may want to review the jumpering on the drive, as the TRS-80 line is somewhat...
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11 replies | 232 view(s)
January 11th, 2021,
04:20 AM
fritzeflink
replied to a thread
National Semiconductor 32000 items wanted
in
Vintage Computer Items Wanted
No, my MX300/10 isn't fore sale but some documents are there. http://www.cpu-ns32k.net/ http://www.cpu-ns32k.net/Siemens.html
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3 replies | 482 view(s)
January 10th, 2021,
07:05 PM
lowen
replied to a thread
On to the next problem: Model 4 FDC issues
in
Tandy/Radio Shack
If I remember correctly, /DISKIN indicates an IN from one of the FDC ports; it's basically a board READ select. It's generated by pin 11 of U48, a...
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11 replies | 232 view(s)
January 10th, 2021,
01:58 PM
lowen
replied to a thread
Surface mount soldering magnification with a used $50 document camera?
in
General Vintage Computer Discussions
I sure appreciate your expertise in this; I've lived with these effects all my life, and it's always a bit comforting to have professional...
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12 replies | 275 view(s)
January 10th, 2021,
05:58 AM
lowen
replied to a thread
Surface mount soldering magnification with a used $50 document camera?
in
General Vintage Computer Discussions
I will agree that, if your eyes are good enough, an optical instrument is superior. But having said that, my eyes aren't good enough. I was born...
see more
12 replies | 275 view(s)
January 9th, 2021,
07:57 AM
lowen
replied to a thread
Model II/16 Floppy Disk Image Sizes.
in
Tandy/Radio Shack
This sounds pretty interesting, but the Facebook Group is private; can you send a link directly to the open-source WD1001 project? The code isn't...
see more
11 replies | 409 view(s)
January 7th, 2021,
07:51 PM
lowen
replied to a thread
26 Pin Floppy Drives
in
Later PCs
My Tektronix TDS360 scope has a 26-pin slim 3.5" drive; I have an HxC Slim to put in it, just haven't done so yet. I have a couple of combo...
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10 replies | 303 view(s)
January 7th, 2021,
04:22 AM
lowen
replied to a thread
Model II keyboards
in
Tandy/Radio Shack
First, I hope you get well soon! Second, no need to apologize to me, I didn't take any offense; no worries. But thank you for your graciousness. ...
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17 replies | 486 view(s)
January 7th, 2021,
04:13 AM
fritzeflink
replied to a thread
Using just a usable portion of an oversized physical hard drive with DOS 6.22
in
Vintage Computer Hardware
My 2ct. for using a CF card with 386 cpu and I even would like to get a CF card working with my 386. The system has a transcent 256mb IDE Flash...
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30 replies | 848 view(s)
January 6th, 2021,
09:29 PM
lowen
replied to a thread
Model II keyboards
in
Tandy/Radio Shack
Note that you posted while I was composing this reply; I'm using my phone, and have been typing and editing for over an hour, it feels like...but I...
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17 replies | 486 view(s)
January 6th, 2021,
12:56 PM
lowen
replied to a thread
Model II keyboards
in
Tandy/Radio Shack
THESE are the droids you want.
see more
17 replies | 486 view(s)
January 6th, 2021,
06:01 AM
lowen
replied to a thread
Model II keyboards
in
Tandy/Radio Shack
As pski said, there is work being done by people with deep knowledge of the hardware. (No, I'm not one the the people working on this). The...
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17 replies | 486 view(s)
January 5th, 2021,
08:35 AM
fritzeflink
replied to a thread
PluPerfect Z3Plus?
in
CP/M and MP/M
I too gave shirsch a link to NZCOM and Z3PLUS files and documents. My thought is 1st trying NZCOM on CP/M 2.2 as the banking mode on the...
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2 replies | 133 view(s)
January 4th, 2021,
02:41 AM
fritzeflink
replied to a thread
Looking for the Schematic for Altos 586 Computer
in
Vintage Computer Items Wanted
Maybee here http://ftp.mirrorservice.org/sites/www.bitsavers.org/pdf/altos/586_986/
see more
1 replies | 83 view(s)
December 30th, 2020,
09:33 AM
lowen
replied to a poll
Who has a working Tandy XENIX system?
in
Tandy/Radio Shack
The more things change, the more they stay the same.... back in the late 80's and early 90's when I had a running Xenix 68K system (Enhanced Model II...
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15 replies | 2697 view(s)
December 30th, 2020,
07:42 AM
lowen
replied to a thread
EOI: XLR8er redesign/reverse-engineering/work-alike (or alternative speedup board)
in
Tandy/Radio Shack
So, a bit of a necropost here, but since a Google search still finds old threads.... Anyway, the work I had planned had three streams: 1.) A...
see more
57 replies | 6813 view(s)
December 21st, 2020,
10:10 AM
fritzeflink
replied to a thread
Good null modem program for WinXP
in
Vintage Computer Software
ZOC ... https://www.emtec.com/download.html?what=zoc#zocfiles https://ftp.emtec.com/downloads/zoc/
see more
7 replies | 363 view(s)
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About lowen
Basic Information
About lowen
Location:
Western North Carolina, USA
Interests:
TRS-80, other assorted vintage gear. Tube amps and transmitters. Amateur Radio
Occupation:
CIO, IT department.
Signature
--
Thus spake Tandy Xenix System III version 3.2: "Bughlt: Sckmud Shut her down Scotty, she's sucking mud again!"
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