Thanks for putting this out. Not a system I'm familiar with but did
play around briefly with APL in 1969 on an IBM 360.
Very nice emulator and managed to get it up and running once found an
emulated HP graphics terminal. Pleasantly surprised that emulator
CPU useage was very small (unlike Ba
Hello,
I'm making a software emulator for the General Turtle TT2500. Does
anyone have any information about it? It's hard to come by.
Here's what I have learned:
It's a custom TTL design by Marvin Minsky et al, with 64K 16-bit memory
and 4K 16-bit control store. It has two displays attached,
On 10/2/20 7:38 PM, Chuck Guzis via cctalk wrote:
In fact, is there any standard for floppy disk metadata container files?
Digtial archivists seem to be using
LoC BagIt, which essentially is a zip file of a directory
https://en.wikipedia.org/wiki/BagIt
I'd have to check with our digital arch
On 10/3/20 3:20 AM, Al Kossow via cctalk wrote:
On 10/2/20 7:38 PM, Chuck Guzis via cctalk wrote:
In fact, is there any standard for floppy disk metadata container files?
Digtial archivists seem to be using
LoC BagIt, which essentially is a zip file of a directory
https://en.wikipedia.org/wi
On 10/3/20 3:20 AM, Al Kossow via cctalk wrote:
> On 10/2/20 7:38 PM, Chuck Guzis via cctalk wrote:
>> In fact, is there any standard for floppy disk metadata container files?
>>
>
> Digtial archivists seem to be using
> LoC BagIt, which essentially is a zip file of a directory
>
> https://en.wik
All,
I've been delving into ancient IBM PC-DOS... 1.0, 2.0 and have landed on
2.10 as the experience I'm going to hang out with for a while. It's
stable in QEMU and 86Box and I am able to run MASM 1.0, 2.0 and Pascal
1.0 and 2.0.
86Box is more true to old-school boxes, but qemu runs on my Ma
I'm researching Multiuser DOS out of my own interest. A version made by
Concurrent Controls specifically. However, I have been unable to find
documentation on it to satisfy my curiosity on how it works and how it is
configured. They must have somehow broken the 640K barrier or virtualized eac
On 10/3/20 8:38 AM, Will Senn via cctalk wrote:
> Some questions I have related to the exploration:
>
> 1. I'm curious if there are other folks out there doing similar stuff?
> 2. Most of the Assembly examples use DOS interrupt 21 for output. Is
> this typical of assembly programs of the time, or
Regarding #4, if you look at the releases source code for DOS 2.0 you will see
compilation switches for PCD and MSD. I would need to look again but some were
control code things, plus sign-on messages. I know IBM shipped different tools
than MS too.
http://www.classiccmp.org/cini
Long Island S
On 20/10/2019 17:27, Rob Jarratt via cctalk wrote:
>/Manx lists MP-01394-00 as the Field Maintenance Print Set for the DEC />/Professional 350. I can't find this online and I was wondering if
anyone has />/a scan of it by any chance? />//>//The Field Maintenance Print Set for the Professional 380
On Sat, 2020-10-03 at 08:33 -0700, Chuck Guzis via cctalk wrote:
>
> In particular, consider a government project where several hundred
> millions of 1970s dollars were spent by the government, yet almost
> nothing other than a few papers survives. Those involved with
> intimate
> knowledge are i
On Sat, 3 Oct 2020, Will Senn via cctalk wrote:
2. Most of the Assembly examples use DOS interrupt 21 for output. Is this
typical of assembly programs of the time, or did folks use other methods?
For simple stuff, Int21H works and is portable to anything running MS-DOS.
Int10H is less portable
Hi all,
Does anyone happen to know the value of C13 in a Compaq Portable II power
supply? It's a small-ish tantalum that lives next to the heatsink between
U6 and U7 - although mine doesn't live any more, having just roasted itself
in spectacular fashion.
Quite possibly there's some other
that's a good question. I'd like to get more info on that supply as well.
Bill
On Sat, Oct 3, 2020 at 5:34 PM Jules Richardson via cctalk <
cctalk@classiccmp.org> wrote:
>
> Hi all,
>
> Does anyone happen to know the value of C13 in a Compaq Portable II power
> supply? It's a small-ish tantalum
On 10/3/20 4:34 PM, Jules Richardson via cctalk wrote:
Hi all,
Does anyone happen to know the value of C13 in a Compaq Portable II power
Additional question, does anyone know the nature of the ST506-IDE bridge in
these machines? My hard disk is a Miniscribe 8212, which I think has two
head
On 10/3/20 4:35 PM, Bill Degnan wrote:
that's a good question. I'd like to get more info on that supply as well.
There's some info here on the connector pinout, in case you haven't seen it
before, but I've been unable to find any schematics so far:
https://oldcrap.org/2018/02/04/compaq-port
On Sat, 3 Oct 2020 at 18:14, Jonathan Haddox via cctalk
wrote:
>
> I'm researching Multiuser DOS out of my own interest. A version made by
> Concurrent Controls specifically. However, I have been unable to find
> documentation on it to satisfy my curiosity on how it works and how it is
> conf
My little LSI-11 system doesn't have a usable Line-Time Clock because it lacks
the register, which it expects to be in either an MXV11-B (M7195) or a BDV11
(M8012). My power supply theoretically supplies the LTC but I haven't confirmed
that, so my preference would be an M7195 if possible.
Does
> From: Chris Hanson
> My little LSI-11 system doesn't have a usable Line-Time Clock because
> it lacks the register, which it expects to be in either an MXV11-B
> (M7195) or a BDV11 (M8012). My power supply theoretically supplies the
> LTC .. so my preference would be an M7195
I have Concurrent Link XM and Softlink and stuff like that here but I never
used it much.
b
On Sat, Oct 3, 2020 at 8:03 PM Liam Proven via cctalk
wrote:
> On Sat, 3 Oct 2020 at 18:14, Jonathan Haddox via cctalk
> wrote:
> >
> > I'm researching Multiuser DOS out of my own interest. A version ma
I most probably have a BDV11 bootstrap module I can part with. Might
have an older MXV11 as well, could the 18 bit one do this (I think it
did, and I'm guessing you have a pdp11/03 with a quad width CPU)
CZ
On 10/3/2020 9:19 PM, Chris Hanson via cctalk wrote:
My little LSI-11 system doesn't h
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