Re: Slightly OT: Computer internals book recommendations

2017-11-18 Thread Huw Davies via cctalk
> On 19 Nov 2017, at 10:57, Eric Christopherson via cctalk > wrote: > > Basically, I'm looking for a certain book (although really any book in > the same vein would satisfy), which was on computer system architecture, > organization, etc.; it talked about the usual boolean logic, assembly > pr

Re: Ideas for a simple, but somewhat extendable computer bus

2017-11-18 Thread Jim Brain via cctalk
On 11/18/2017 1:46 AM, emanuel stiebler wrote: On 2017-11-17 18:11, Jim Brain via cctalk wrote: I'm currently working on a single board computer system, designing from scratch partially as an education experience, and also as something that might be of interest to others. I've laid out the fi

Re: Ideas for a simple, but somewhat extendable computer bus

2017-11-18 Thread Eric Christopherson via cctalk
On Fri, Nov 17, 2017, ben via cctalk wrote: > On 11/17/2017 6:59 PM, Chuck Guzis via cctalk wrote: > > On 11/17/2017 05:34 PM, Jim Brain via cctalk wrote: > > > > > It does not have to be fast.  I rather thought, "what is the simplest > > > multi-cpu shared bus that could be easily understood by f

Re: Sync on Green RGB video

2017-11-18 Thread jim stephens via cctalk
On 11/18/2017 3:44 PM, william degnan via cctech wrote: On Nov 18, 2017 4:09 PM, "Douglas Taylor via cctech" wrote: I have a couple of vaxes that output 'unique' video, Alpha 3000 300, Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. The Alpha and VLC each have a 3W3 type of connecto

Re: Sync on Green RGB video

2017-11-18 Thread william degnan via cctalk
On Nov 18, 2017 4:09 PM, "Douglas Taylor via cctech" wrote: > > I have a couple of vaxes that output 'unique' video, Alpha 3000 300, Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. > > The Alpha and VLC each have a 3W3 type of connector and the 3100 has a 15 pin DEC designed connector. > >

Re: Sync on Green RGB video

2017-11-18 Thread Lyle Bickley via cctalk
On Sat, 18 Nov 2017 18:44:07 -0500 william degnan via cctech wrote: > On Nov 18, 2017 4:09 PM, "Douglas Taylor via cctech" > wrote: > > > > I have a couple of vaxes that output 'unique' video, Alpha 3000 > > 300, > Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. > > > > The Alpha and V

Re: Sync on Green RGB video

2017-11-18 Thread emanuel stiebler via cctalk
On 2017-11-18 14:09, Douglas Taylor via cctech wrote: > I have a couple of vaxes that output 'unique' video, Alpha 3000 300, > Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. > > The Alpha and VLC each have a 3W3 type of connector and the 3100 has a > 15 pin DEC designed connector. The 3w

Re: Sync on Green RGB video

2017-11-18 Thread Aaron Jackson via cctalk
You might be surprised how many LCD monitors support SoG. I have several iiyama LCD panels which work fine with a 3100. Aaron. Douglas Taylor via cctech writes: > I have a couple of vaxes that output 'unique' video, Alpha 3000 300, > Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. > > T

Sync on Green RGB video

2017-11-18 Thread Douglas Taylor via cctalk
I have a couple of vaxes that output 'unique' video, Alpha 3000 300, Alpha 3000 400, Vax 4000 VLC, and Vax Station 3100 M76. The Alpha and VLC each have a 3W3 type of connector and the 3100 has a 15 pin DEC designed connector. What does it take to connect these to inexpensive, modern VGA ligh

Slightly OT: Computer internals book recommendations

2017-11-18 Thread Eric Christopherson via cctalk
The fascinating discussion Jim just started on buses got me thinking again about a book I've been trying to track down for a while. While it's not necessarily classic-computing-oriented, it's not really about newfangled computers either; heck, I encountered it in 2003 or so, so it'd be pretty dated

Re: Ideas for a simple, but somewhat extendable computer bus

2017-11-18 Thread Jim Brain via cctalk
On 11/18/2017 1:46 AM, emanuel stiebler wrote: On 2017-11-17 18:11, Jim Brain via cctalk wrote: I'm currently working on a single board computer system, designing from scratch partially as an education experience, and also as something that might be of interest to others. I've laid out the fi

Re: Ideas for a simple, but somewhat extendable computer bus

2017-11-18 Thread Jules Richardson via cctalk
On 11/17/2017 07:11 PM, Jim Brain via cctalk wrote: I looked at home computer busses (Atari, Apple, Commodore, Tandy, TI) for a bit of inspiration, but they all seem overly simplistic (not horrible, but hate to just punt on the idea). Is the multi-CPU stuff important initially? If not then mayb

RE: Ideas for a simple, but somewhat extendable computer bus

2017-11-18 Thread Dave Wade via cctalk
> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of emanuel > stiebler via cctalk > Sent: 18 November 2017 07:47 > To: Jim Brain ; General Discussion: On-Topic and Off- > Topic Posts > Subject: Re: Ideas for a simple, but somewhat extendable computer b

Re: Ideas for a simple, but somewhat extendable computer bus

2017-11-18 Thread alan--- via cctalk
If you need simple arbitration, there is always this: https://www.retrotronics.org/arbiter/ -Alan On 2017-11-17 20:11, Jim Brain via cctalk wrote: I'm currently working on a single board computer system, designing from scratch partially as an education experience, and also as something that m