Re: RC11 controller (Was: Reproduction DEC 144-lamp indicator panels)

2021-12-10 Thread Paul Koning via cctalk
> On Dec 10, 2021, at 12:57 PM, Guy Sotomayor via cctalk > wrote: > > All valid points. My frustration has been where I see projects that use a > RPi for something that a simple HW circuit/CPLD/FPGA could have done it > simpler and more efficiently. > > I've lost count of the FPGA boards

Re: RC11 controller (Was: Reproduction DEC 144-lamp indicator panels)

2021-12-10 Thread Guy Sotomayor via cctalk
On 12/10/21 6:21 AM, Jay Jaeger via cctalk wrote: On 12/9/2021 11:06 PM, Guy Sotomayor via cctalk wrote: On 12/9/21 8:15 PM, Jay Jaeger via cctalk wrote: One could perhaps emulate the RS64 data stream using a fast-enough micro, ala the MFM emulator. Why does everyone seem to want to emul

Re: RC11 controller (Was: Reproduction DEC 144-lamp indicator panels)

2021-12-10 Thread Paul Koning via cctalk
> On Dec 9, 2021, at 11:15 PM, Jay Jaeger via cctalk > wrote: > > On 12/9/2021 7:49 PM, Noel Chiappa via cctalk wrote: >> > From: Steven Malikoff >> > Was there ever an indicator panel for the RC11? .. I have a set of RC11 >> > modules .. No backplane though. I've not found any do

Re: RC11 controller (Was: Reproduction DEC 144-lamp indicator panels)

2021-12-10 Thread Jay Jaeger via cctalk
On 12/9/2021 11:06 PM, Guy Sotomayor via cctalk wrote: On 12/9/21 8:15 PM, Jay Jaeger via cctalk wrote: One could perhaps emulate the RS64 data stream using a fast-enough micro, ala the MFM emulator. Why does everyone seem to want to emulate HW like this with a micro when a reasonable FPGA

Re: RC11 controller (Was: Reproduction DEC 144-lamp indicator panels)

2021-12-09 Thread Guy Sotomayor via cctalk
On 12/9/21 8:15 PM, Jay Jaeger via cctalk wrote: One could perhaps emulate the RS64 data stream using a fast-enough micro, ala the MFM emulator. Why does everyone seem to want to emulate HW like this with a micro when a reasonable FPGA implementation with some external FRAM would do the jo

Re: RC11 controller (Was: Reproduction DEC 144-lamp indicator panels)

2021-12-09 Thread Jay Jaeger via cctalk
On 12/9/2021 7:49 PM, Noel Chiappa via cctalk wrote: > From: Steven Malikoff > Was there ever an indicator panel for the RC11? .. I have a set of RC11 > modules .. No backplane though. I've not found any docs for these, I suppose > they're probably on bitsavers and have over

Re: RC11 controller (Was: Reproduction DEC 144-lamp indicator panels)

2021-12-09 Thread Noel Chiappa via cctalk
> From: Steven Malikoff > Was there ever an indicator panel for the RC11? .. I have a set of RC11 > modules .. No backplane though. I've not found any docs for these, I suppose > they're probably on bitsavers and have overlooked them. Looking at the manual and engineering drawing