[Simh] Problem with QVSS graphics display

[Peter Allan]

Thanks Mark, I will check it out.

This will probably push me into moving my simulators on to CentOS 7. I am
rather conservative in upgrading the host OS in order to maintain a stable
platform. However, at least my host OS is younger than the simulated
systems  I am running on it!

Peter Allan


On Thu, 23 May 2019 at 21:06, Mark Pizzolato <Mark at infocomm.com> wrote:

> Given the good number of years that SDL2 has been out, it is a little
> strange that CentOS doesn’t have a standard package included in the primary
> distribution.  Meanwhile, it would seem that something like:
> https://centos.pkgs.org/7/epel-x86_64/SDL2-2.0.9-1.el7.x86_64.rpm.html
> would be a good place to look.
>
>
>
> *From:* Peter Allan [mailto:petermallan at gmail.com]
> *Sent:* Wednesday, May 22, 2019 2:36 AM
> *To:* Mark Pizzolato <Mark at infocomm.com>
> *Cc:* Simh Trailing-Edge Mailing List <simh at trailing-edge.com>
> *Subject:* Re: [Simh] Problem with QVSS graphics display
>
>
>
> I have tried the QDSS graphics with the MicroVAX II simulator and it does
> indeed work fine, as does the QVSS graphics. These are still with SDL1.2.
>
>
>
> My problem was that although I had read the instructions, I forgot them
> when I came to try things out. Must be old age creeping on!
>
>
>
> I will go and make sure that I can build the simulators with SDL2, given
> that they are under /usr/local.
>
>
>
> Cheers
>
>
>
> Peter Allan
>
>
>
>
>
> On Mon, 20 May 2019 at 16:04, Peter Allan <petermallan at gmail.com> wrote:
>
> Thanks Mark. I will try what you have suggested. I was a bit surprised
> that SDL 1.2 worked at all, but since it is a recognised part of CentOS 6
> and SDL2 is not, it seemed worth trying it.
>
>
>
> Cheers
>
>
>
> Peter Allan
>
>
>
> On Mon, 20 May 2019 at 14:37, Mark Pizzolato <Mark at infocomm.com> wrote:
>
> On Monday, May 20, 2019 at 3:24 AM, Peter Allan wrote:
> > Encouraged by the recent release of simulated vaxen with QVSS graphics,
> > I have tried out a couple of these with very different results.
>
> Actually, the recent release was for QDSS graphics.  The QVSS has been
> available for almost 6 years!
>
> >
> > Firsly I tried a microVAX II and put the line
> >
> >   SET CPU MODEL=VAXstation in the .ini file.
> >
>
> QDSS Graphics is selected with SET CPU MODEL=VAXstationGPX.
> QVSS Graphics is selected with SET CPU MODEL=VAXstation
>
> [...]
>
> > My computer is a standard PC running CentOS 6.10. The version
> > of SDL I am using is 1.2, so I suspect that, yet it works fine on the
> > microVAX II.
>
> First, you are using SDL 1.2.  Later today, I'll explicitly be removing
> any support for building with any SDL version earlier than 2.0.
> Dual libSDL support was needed 6 years ago when the QVSS
> graphics were first added since at that time, SDL 2.0 was just
> being released and it wasn't generally available on several common
> platforms.  There are substantial differences between the API's
> provided in SDL 1.2 and SDL 2.0, so some messy code will be
> eliminated and we really can't maintain or provide equivalent
> functionality with both.
>
> > I built the simulators from the code on github. The git commit
> > id is 05f84879 for both of them.
>
> Please pick up the latest code from GitHub and try again.  Besides
> potential libSDL issues, there have been changes which would
> certainly affect QVSS functionality.
>
> >
> > My vax.ini file is:
> >
> > SET CPU NOIDLE
> > SET CPU IDLE=VMS
> > SET CPU MODEL=VAXstation
> >
> > ATTACH NVR nvram.bin
> >;
> >; Set up the disks
> > SET    RQ0 RA81
> > SET    RQ1 DISABLE
> > SET    RQ2 DISABLE
> > SET    RQ3 CDROM
> > ATTACH RQ0 system
> > ATTACH -r RQ3 cd
> >;
> >; Line printer
> >;
> >;;ATTACH LPT printer
> >;
> >; Card Reader
> >;
> > SET CR DISABLE
> >;
> >; Disable RL cartridge disks
> > SET RL DISABLE
> >;
> >; Disable unused tape drives
> > SET TQ TK70
> > ATTACH TQ0 tape1
> > SET TQ1 DISABLE
> > SET TQ2 DISABLE
> > SET TQ3 DISABLE
> >;
> >; Disable TSV11 magnetic tape drives
> > SET TS DISABLE
> >;
> >; Set up the ethernet interface
> > SET XQ MAC=08-00-2B-AA-BB-CC
> > ATTACH XQ eth0
> >;
> >; Allow telent connections to the DZV11 serial interface
> > SET DZ LINES=4
> > ATTACH DZ 10003
> >;
> >; Start the CPU
> > SET CPU CONHALT
> > DEP BDR 0
> > BOOT CPU
> >;
> > EXIT
> >
> > I am hoping that I have done something wrong, but I can't see what.
>
> For now, with libSDL2 and the latest codebase you'll probably need:
>       sim> SET QVSS CAPTURE
> before the SET CPU MODEL=VAXSTATION{GPX}
>
> Captured Keyboard & Mouse mode is currently needed for reliable
> behavior.  It will be an option in the future.
>
> At this time support for QDSS graphics on the VAX simulator is not
> yet working, but it works fine on the MicroVAX II and the other
> recently released simulators.
>
> - Mark
>
>
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