Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread Paul Koning via cctalk
> On Jan 29, 2018, at 6:03 PM, Noel Chiappa via cctalk > wrote: > > ... >> (actually, this should work with Q18 QBUS systems as well) > > Goodness, never thought of that. Hmmm.. it's probably enough hassle to mod > the software (who ever heard of a 'QBUS map' on a QBUS -11 - but you'd need >

Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread Noel Chiappa via cctalk
> From: David Bridgham > Our plan is to produce a Unibus board as well, we just chose the QBUS > first. For no particularly strong reasons; I had working QBUS machines, and prototyping cards, etc, etc. > (actually, this should work with Q18 QBUS systems as well) Goodness, never

Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread David Bridgham via cctalk
> That sounds pretty awesome. Good job there! Thanks.  Feeling good today after a bit of frustration with development not going faster. > Do you know how hard it would be to take this design and make a UNIBUS > version? I have an 11/34 languishing under the bench in my hardware > lab and one o

Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread Guy Sotomayor Jr via cctalk
> On Jan 29, 2018, at 1:57 PM, Phil Blundell via cctalk > wrote: > > On Mon, 2018-01-29 at 16:06 -0500, David Bridgham via cctalk wrote: >> For those of you who are following along with our QSIC project, today >> we >> booted v6 Unix successfully for the first time. We'd first tried >> this a

Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread Phil Blundell via cctalk
On Mon, 2018-01-29 at 16:06 -0500, David Bridgham via cctalk wrote: > For those of you who are following along with our QSIC project, today > we > booted v6 Unix successfully for the first time.  We'd first tried > this a > week or two back but discovered that Unix does use partial block > reads >

Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread David Bridgham via cctalk
> FWIW, so does RT11, and in the case of writes, it requires the rest of the > block to be zero-filled. Not everything depends on this, but some parts do; > I think Fortran is one. I did implement that too.  Unix doesn't need it but I had to fill the block with something and it wasn't that har

Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread Paul Koning via cctalk
> On Jan 29, 2018, at 4:06 PM, David Bridgham via cctalk > wrote: > > For those of you who are following along with our QSIC project, today we > booted v6 Unix successfully for the first time. We'd first tried this a > week or two back but discovered that Unix does use partial block reads > a

Re: QSIC update - v6 Unix boots and runs

2018-01-29 Thread Noel Chiappa via cctalk
> From: David Bridgham > today we booted v6 Unix successfully for the first time. As in, the OS image was loaded from the SD card, then started up using only the SD card for 'disk'. So this is a pretty major milestone. It's been a long road (I just looked, and we started on this in the su

QSIC update - v6 Unix boots and runs

2018-01-29 Thread David Bridgham via cctalk
For those of you who are following along with our QSIC project, today we booted v6 Unix successfully for the first time.  We'd first tried this a week or two back but discovered that Unix does use partial block reads and writes after all and I hadn't implemented those yet.  We're running this on an