Re: [Simh] Writeup of PDP-11 bootstrap loader analysis

2015-12-23 Thread Paul Koning
> On Dec 23, 2015, at 8:02 PM, Will Senn wrote: > > > > On 12/23/15 5:09 PM, Johnny Billquist wrote: >> >> As for your analysis: >> Your explanation of branches seems somewhat over complicated. The >> instruction is indeed in just 8 bits, while 8 bits are the offset.

Re: [Simh] test - please ignore

2015-12-23 Thread Cory Smelosky
On Wed, 23 Dec 2015, b...@gewt.net wrote: Sorry about this...SIMH mails are hitting my draconian spamfilters and I need to find which specific config file whitelists go in... Sigh - that one wasn't it. -- Cory Smelosky http://gewt.net Personal stuff http://gimme-sympathy.org Projects

Re: [Simh] test - please ignore

2015-12-23 Thread Cory Smelosky
Sent before restarting filter...sigh. -- Cory Smelosky http://gewt.net Personal stuff http://gimme-sympathy.org Projects ___ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh

Re: [Simh] Writeup of PDP-11 bootstrap loader analysis

2015-12-23 Thread Will Senn
On 12/23/15 5:09 PM, Johnny Billquist wrote: As for your analysis: Your explanation of branches seems somewhat over complicated. The instruction is indeed in just 8 bits, while 8 bits are the offset. However, there is no need to mess things up with one-complement, or tricks like that. The

Re: [Simh] Writeup of PDP-11 bootstrap loader analysis

2015-12-23 Thread Will Senn
Correction below - thanks Paul for pointing it out. Sent from my iPhone > On Dec 23, 2015, at 7:02 PM, Will Senn wrote: > > > >> On 12/23/15 5:09 PM, Johnny Billquist wrote: >> >> As for your analysis: >> Your explanation of branches seems somewhat over complicated.

[Simh] test - please ignore

2015-12-23 Thread b4
Sorry about this...SIMH mails are hitting my draconian spamfilters and I need to find which specific config file whitelists go in... ___ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh

Re: [Simh] Writeup of PDP-11 bootstrap loader analysis

2015-12-23 Thread Johnny Billquist
On 2015-12-23 21:36, Will Senn wrote: All, I have finished an analysis of the PDP-11 bootstrap loader code that may be of interest to folks working with SimH. As many of y'all know, I am pursuing a deeper understanding of Unix V6, which is pretty intertwined with PDP-11 architecture, and in

[Simh] SIMH: KL10

2015-12-23 Thread b4
Hello, Who was it that was working on the KA/KI simulators? Any further since I lost track of the project? Itching for more PDP-10 sim testing. ___ Simh mailing list Simh@trailing-edge.com http://mailman.trailing-edge.com/mailman/listinfo/simh

[Simh] OT: trailing-edge mailserver config

2015-12-23 Thread b4
Found why my mailserver was being cranky... Dec 23 23:32:38 newmailer postfix/smtpd[16543]: NOQUEUE: reject: RCPT from static-71-191-185-32.washdc.fios.verizon.net[71.191.185.32]: 450 4.7.1 : Helo command rejected: Host not found; from= to=

[Simh] Feasibility of connecting physical LK to emulated LK device

2015-12-23 Thread b4
As it is largely just serial, I can think of museum displays this could benefit (next pet project: SDL in a console framebuffer) due to the simple adapter needed (http://www.wickensonline.co.uk/vaxen/linuxLK.html) Thoughts? ___ Simh mailing list