I may have a spare VS3100 with framebuffer, I don't remember if both of mine are MicroVAX or if one is a VAXstation.
Thanks, Jonathan On Sun, Jan 7, 2018 at 2:35 PM, David Brownlee via cctalk < cctalk@classiccmp.org> wrote: > On 2 January 2018 at 21:02, Maciej W. Rozycki via cctalk < > cctalk@classiccmp.org> wrote: > > > On Tue, 19 Dec 2017, Charles Dickman via cctalk wrote: > > > > > > Hardware support say no support for LCG Graphics :-( > > > > > > There are a few people willing to work on graphics for old > > > vaxstations, but there is no documentation. > > > > > > If anyone has documentation, the netbsd vax port mailing list would be > > > very interested. > > > > The RAMDAC is standard, so as long as frame buffer memory is mapped into > > the CDAL address space writing a dumb device driver should be pretty > > straightforward with little reverse engineering effort. And CDAL address > > decoding is I believe documented in the KA46 board specification. > > > > And all else failing you can always resort to TURBOchannel graphics > wired > > via a TURBOchannel adapter. While not supported by the console monitor, > > it can be handled by the OS just fine, and several TURBOchannel graphics > > drivers are already available for other ports, so it's just a matter of a > > suitable kernel configuration (with minor patching possibly, depending on > > how cleanly written the respective drivers are). > > > > I was able to get OS console output using at least the HX and one of the > > HX+ options with my m90 and the (still very crippled and long neglected) > > VAX/Linux port several years ago. The MX, CX and TX options should be > > easily supportable too. Only accelerators (PixelStamp and PixelVision > > architecture implementations) might cause trouble for one reason or > > another (such as using DMA or requiring a TURBOchannel extender, which > are > > scarcer than hen's teeth). > > > > I've been chatting to the NetBSD dev who wrote support for most of the > sparc framebuffers (up to and including accelerated antialiased font > console support where relevant), and if anyone has a spare VAXstation with > a framebuffer they would be willing to part with (*) he would be very > interested in writing driver support. > > (*) I'm happy to pay a reasonable amount to help find a beloved charge a > caring new home involving active exercise with exciting new code :-p > > David >
