Re: [Simh] RT-11 source

2016-10-22 Thread khandy21yo
CP/M works a lot like this. But it's for 8989 not PDP11. It's also been ported to several other systems. Source code is available, but many folks don't consider it an OS. Sent from my Galaxy Tab® A Original message From: Johnny Billquist Date: 10/22/16 7:11

Re: [Simh] RT-11 source

2016-10-22 Thread Ray Jewhurst
Thank you Johnny. I may ruffle some feathers, but I hate C. I am mildly autistic and the way my mind works I actually prefer assembly over high level languages. I would really like a blueprint to see what I am doing. Is there commented code for DOS/BATCH? Or even CAPS-11. I would like love to see

Re: [Simh] RT-11 source

2016-10-22 Thread Johnny Billquist
While we're at it then... Ray asked for RT-11, since he felt that it was smaller and simpler than most other operating systems available, and also because he felt more comfortable with assembler than some other language. Both those points are missed with any Unix-like OS, even if the

Re: [Simh] RT-11 source

2016-10-22 Thread Nelson H. F. Beebe
Ray Jewhurst asks today for documented operating system source code for the PDP-11. Besides the Lions' Unix v6 code, there is also Doug Comer's Xinu project about which he wrote several books. Current versions are targeted at x86 and ARM CPUs,

Re: [Simh] RT-11 source

2016-10-22 Thread Johnny Billquist
On 2016-10-22 23:46, Jacob Goense wrote: On 2016-10-22 12:55, Al Kossow wrote: On 10/22/16 7:44 AM, Ray Jewhurst wrote: I have an idea for project to teach my self rudimentary OS design and I would like to use RT-11 as an example Did anyone ever port MINIX to the PDP-11? No way. I

Re: [Simh] RT-11 source

2016-10-22 Thread Al Kossow
On 10/22/16 2:46 PM, Jacob Goense wrote: > On 2016-10-22 12:55, Al Kossow wrote: >> On 10/22/16 7:44 AM, Ray Jewhurst wrote: >>> I have an idea for project to teach my self rudimentary OS design and I >>> would like to use RT-11 as an example >>> >> >> Did anyone ever port MINIX to the PDP-11?

Re: [Simh] RT-11 source

2016-10-22 Thread Jacob Goense
On 2016-10-22 12:55, Al Kossow wrote: On 10/22/16 7:44 AM, Ray Jewhurst wrote: I have an idea for project to teach my self rudimentary OS design and I would like to use RT-11 as an example Did anyone ever port MINIX to the PDP-11? No way. I vaguely recall lore about 4.x BSD stuff being

Re: [Simh] RT-11 source

2016-10-22 Thread Johnny Billquist
On 2016-10-22 20:21, Ray Jewhurst wrote: I know some of the code is already there but I need comments since I am not an expert or even a real advanced programmer in assembly. Also, the beauty of running a simulator is that hardware resources are not as much of a problem so I more to fill in the

Re: [Simh] RT-11 source

2016-10-22 Thread Johnny Billquist
On 2016-10-22 18:55, Al Kossow wrote: On 10/22/16 7:44 AM, Ray Jewhurst wrote: I have an idea for project to teach my self rudimentary OS design and I would like to use RT-11 as an example Did anyone ever port MINIX to the PDP-11? I don't think so. I suspect it would be non-trivial, as

Re: [Simh] RT-11 source

2016-10-22 Thread Johnny Billquist
On 2016-10-22 21:44, Cory Smelosky wrote: Are the comments in the source on the hidden trailing edge archives? Don't think so. As far as I know, Tim only have access to the same distributions that DEC provided to everyone. The actual, commented sources, pretty much didn't leave

Re: [Simh] RT-11 source

2016-10-22 Thread Clem Cole
Ray, I think a much better place to start is John Lion's “A commentary on the Sixth Edition UNIX Operating System ” - available for download at: Grog's Lions web page

Re: [Simh] RT-11 source

2016-10-22 Thread Cory Smelosky
Are the comments in the source on the hidden trailing edge archives? Sent from my iPhone > On Oct 22, 2016, at 11:15, Paul Koning wrote: > > >> On Oct 22, 2016, at 10:44 AM, Ray Jewhurst wrote: >> >> I know that RT-11 is under license from

Re: [Simh] RT-11 source

2016-10-22 Thread Ray Jewhurst
I know some of the code is already there but I need comments since I am not an expert or even a real advanced programmer in assembly. Also, the beauty of running a simulator is that hardware resources are not as much of a problem so I more to fill in the gaps for the stuff I am unsure of. My

Re: [Simh] RT-11 source

2016-10-22 Thread Paul Koning
> On Oct 22, 2016, at 10:44 AM, Ray Jewhurst wrote: > > I know that RT-11 is under license from Mentec but is there a way to get the > sources for it? I would like preferably v5.3. I have an idea for project to > teach my self rudimentary OS design and I would like

Re: [Simh] RT-11 source

2016-10-22 Thread Al Kossow
On 10/22/16 7:44 AM, Ray Jewhurst wrote: > I have an idea for project to teach my self rudimentary OS design and I would > like to use RT-11 as an example > Did anyone ever port MINIX to the PDP-11? ___ Simh mailing list Simh@trailing-edge.com

Re: [Simh] RT-11 source

2016-10-22 Thread Johnny Billquist
On 2016-10-22 16:44, Ray Jewhurst wrote: I know that RT-11 is under license from Mentec but is there a way to get the sources for it? I would like preferably v5.3. I have an idea for project to teach my self rudimentary OS design and I would like to use RT-11 as an example since PDP-11

[Simh] RT-11 source

2016-10-22 Thread Ray Jewhurst
I know that RT-11 is under license from Mentec but is there a way to get the sources for it? I would like preferably v5.3. I have an idea for project to teach my self rudimentary OS design and I would like to use RT-11 as an example since PDP-11 assembly is the only assembly I know and I am