while stewing over how to speed up the data bus, I had the idea to piggy
back 2 74HC245 bi-di drivers.The nice thing about this hack is that you can
just solder on another part... easy.
This combination is the fastest, and still low power!
In this config I can run at *6MHz*, but the LCD starts to
Well, it is quite noticeable, still an M100 though. I would say the
responsiveness is good.
Harder on the batteries though.
Since I use M100 virtually always on external power, a turbo machine could
be ok.
I'm going to try and get the fastest M2 replacement I can, and see if it
can be pushed
On Oct 29, 2020, at 3:12 PM, Stephen Adolph wrote:
> update for the hardware geeks (I may be the only one?)
My education was on the hardware side of things, though I've never put it into
practice. It is interesting to hear your regular reports of your various
experiments. Please keep it up!
Hi Stephen,
Updates are always welcome - You are not the only one :-)
Kindest regards,
Doug Jackson
em: d...@doughq.com
ph: 0414 986878
Check out my awesome clocks at www.dougswordclocks.com
Follow my amateur radio adventures at vk1zdj.net
update for the hardware geeks (I may be the only one?)
The first bottleneck is the data bus.
Swapping M2 for a faster 74LS245 yields *5MHz.* Of course this is bad for
current, so maybe there is a better CMOS part out there.
continued tweaking...
On Thu, Oct 29, 2020 at 12:52 PM Stephen Adolph
Hi Jim
Fear not, we can increase the size of the Directory making full use of
4MB. This will require BIOS changes & an OS update. That means... at
present you'll have to re-import all your user files. Can you reply
please with what D.COM states for directory status/usage, I don't need
each
I have an early result on overclocking the M100.
In my testbed I have a stock M100, with a couple of changes.
1) I have a socket on the 80C85
2) the standard 2.45MHz clock is generated and fed to the system so that
stays constant
3) I feed the CPU with a separate clock that can range from 2.5 to
Jim,
thinking out loud here,
Sure, the directory structure for a single large disk could get fixed to
address the issue.
I wonder though if we might want something else.
What if we had a smallish (360kB) drive B, intended for file sharing?
Use case: Someone imports and configures all of
So I recently wanted to try printing from WordStar 3.3 and discovered that
worked quite nicely. I also discovered that WordStar 4.0 has support for the
early HP LaserJets (and, therefore, possibly my HP 4000N may understand it),
and also the spell check may be better integrated and/or at least
Hello,
I know there was (at one point in the past) an add-on for MS word that imported
wordstar files. I know because my mother gave me a 5.25 inch diskette once
with some family history things on it and asked me to get the document out. I
first had to assemble a computer with a 5.25 inch
> -Original Message-
> >> - D.COM (A better directory lister)
> >> - SWEEP.COM (also known as New Sweep, file operations program)
> >
> > I would love to give these utilities a try, if you find somewhere to
> upload them.
> >
>
> Yes, I have a WIKI account now so I believe I can upload
On 10/29/20 3:49 AM, Jim Anderson wrote:
-Original Message-
Yes, M100 CP/M prints to the M100 parallel port. Try LPRINT in MBASIC to
get your setup working - it does definitely work. I don't know for sure
with WordStar, but it could be necessary to do STAT LST:=LPT: before
firing up
On 10/29/20 3:15 AM, Jim Anderson wrote:
-Original Message-
I have here a PG Design ROM expansion that fits T102.
The unit has 4 molex sockets with the 100/200 pinout to take standard
option roms, and 4 regular dip sockets with apparently regular 27C256
pinout.
All 4 regular sockets
> -Original Message-
> IMPORT.COM is in line for upgrade, though it'll be into next year before
> I get to it. By then we may have 8.3 filename support from the TPDD
> emulators. I intend to upgrade IMPORT to:
> - support wildcard filenames
> - 8.3 filenames
> - subdirectories
This will
> -Original Message-
>
> Yes, M100 CP/M prints to the M100 parallel port. Try LPRINT in MBASIC to
> get your setup working - it does definitely work. I don't know for sure
> with WordStar, but it could be necessary to do STAT LST:=LPT: before
> firing up WordStar.
I dragged my Tandy
> -Original Message-
> > when we get generally agreed "good adaptations" of CP/M software that
> people are happy with, I think post-configuration versions of the
> applications should be stored at the wiki. It will save time for
> others!
> >
>
> yes - that would be SUPER helpful for
> -Original Message-
> I have here a PG Design ROM expansion that fits T102.
>
> The unit has 4 molex sockets with the 100/200 pinout to take standard
> option roms, and 4 regular dip sockets with apparently regular 27C256
> pinout.
>
> All 4 regular sockets are filled with this Sardine
> -Original Message-
> Hi Jim,
>
> I do not recall CP/M ever dumping me back into user area 0 whenever I
> run a program. On the Kaypro and the M-100 I stay in my current user
> area, unless I change it with another USER command. The documentation
> states that behavior as well.
Maybe
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