On Tue, 2 Nov 2021, Jay Jaeger wrote:
Here is a program I wrote for reading/writing tape images via XModem protocol
for my PDP-12, and another for comparing two linctapes.
This is fantastic, thanks :-)
I hope this will help us in bootstrapping the PDP-12. At least I would
like to have a tape w
Does anybody have a wiring diagram? I have one with two broken wires!
Or a photo of the BERG connector as long as the colour code is
consistent :-)
Thanks in advance,
Nigel
--
Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
Skype: TIL
On 11/3/2021 3:27 AM, Christian Corti via cctalk wrote:
On Tue, 2 Nov 2021, Jay Jaeger wrote:
Here is a program I wrote for reading/writing tape images via XModem
protocol for my PDP-12, and another for comparing two linctapes.
This is fantastic, thanks :-)
I hope this will help us in bootstra
I don't have anything for the DEQNA, but the cable info I've seen for DELQA has
the comment "this one would probably work for
a DEQNA, too." The document I grabbed from
http://antinode.info/dec/delqa_cable.html says:
29 December 1996. SMS.
On 11/2/2021 9:53 PM, Vincent Slyngstad via cctalk wrote:
On 11/2/2021 2:25 PM, Jay Jaeger via cctalk wrote:
Here is a program I wrote for reading/writing tape images via XModem
protocol for my PDP-12, and another for comparing two linctapes.
Cool! I was able to recover the code and convert i
Thanks for the outstandingly-quick response! I had already buttoned up
the cab and put it aside for another day.
Thanks also for the link to a site I did not know about, I'll bookmark
it for later browsing.
Soldering iron on!
cheers,
Nigel
Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
A
On 11/3/2021 9:13 AM, Jay Jaeger wrote:
On 11/2/2021 9:53 PM, Vincent Slyngstad via cctalk wrote:
In making the page zero literals line up (so that the code matches the
originals), I found two locations in xmtape which are coded as
TAD (16.
but the code references a new literal at locat
On Wed, 3 Nov 2021, Jay Jaeger wrote:
It seems you didn't notice that I included two separate programs in my
previous post: XMTAPE and CMPTAP ;)
I did, and I have found an error ;-)
0275 0361 7300 #WDFLSH CLA CLL
0276 0362 1073 0073 TAD XMCNT [ IF COUNT==128.
0277 0363 1176
Another thing Prolok did was produce a small 3 disk set of sample disks
with the Prolok protection. Somewhere around here I still have a set of
those disks.
As I recall, a program was included on each disk to copy the program to
be copy protected to the special disk.
On 03/11/2021 16:15, Nigel Johnson Ham via cctalk wrote:
Thanks for the outstandingly-quick response! I had already buttoned up
the cab and put it aside for another day.
Thanks also for the link to a site I did not know about, I'll bookmark
it for later browsing.
Soldering iron on!
The DEQNA
Thank you for that. Another list member sent me the DELQA drawing and
it appears to be the same as my DEQNA - so I have soldered the wires
back on and am awaiting a chance to test it with MAINDECs
cheers,
Nigel
Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of th
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