On Wednesday 25 December 2019 21.54:19 Janek Stolarek wrote: The main problem I have with "old"* games is resolution - games written for 640x480 on a big 1920x1080 screen... Thierry I say "old" because I still like many more than modern stuff. Sometimes find myself playing lemmings or Wolfenstein 3D :)

On Thursday 26 December 2019 03:40:34 Dr. Nikolaus Klepp wrote: I've switched to an rpi4 on the 11x54 Sheldon lathe and its running with computing power to spare. I've a couple SSD's on the rpi4 with its new found USB-3 interfaces. And for the curious, the uspace build can be downloaded from my web site. All built on the rpi4. That will all install on a raspbian buster 10.2 install, which is still an armhf build. Better latencies are from the hf build. The debian buster is now an arm64 build. Get the preempt-realtime kernel, with about 30x faster video, and the debs to install LinuxCNC from: <http://geneslinuxbox.net:6309/gene/lathe-stf/linuxcnc4pi4b> Working flawlessly with a Mesa 7i90hd interface card, buffered by 3 each 7i42TA's. Should also work with the newer 7C8X ethernet based cards. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>

On Thursday 26 December 2019 10:30:39 Michael wrote: If you install the kernel src debs, you can do a make menuconfig, which will allow you access to the kernels fine tuning, and one of the option buried in the menu's is to turn on a config option call preempt-rt or preempt-realtime. This changes the IRQ handling to make the IRQ's be handled much quicker at the expense of making other stuff wait a few microseconds. There are other, even better ways to do this but this one disturbs the rest of the system less, and it puts those operations in the users workspace. All other methods become a portion of the kernel wom The confusion reigns heavily because the rt developer group is actually 2 or 3 parallel projects. All of which are working on getting the version of the code they are working on good enough to become the core the default build is based on. I am not an expert, I simply git clone a version and if it works we've a winner, if not, tag a newer one and try again. Development is moving at breakneck speeds Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>

On Thursday 26 December 2019 15:23:11 Dr. Nikolaus Klepp wrote: That is highly dependant on the kernel. At the present time, the version I built is about 25 fps faster than the raspbian kernel it replaces. And even that is an older build. Its my understanding that it is being worked on. But I've been in the shop getting my ticker rebuilt too, and this computer had a fire and had to be rebuilt with a new mobo, cpu and memory, which occupied my time between visits to the cath-lab, so I'm not exactly uptodate on that. Couple months out of date, or more, I had the heart attack in late Sept. Theoreticly fixed now, and I feel better than a year ago. So you, Nik, are likely quite a bit closer to current than I. Please fill these folks in where I blew it. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>

Anno domini 2019 Thu, 26 Dec 16:21:48 -0600 Michael scripsit: Test it. -- Please do not email me anything that you are not comfortable also sharing with the NSA, CIA ...