I've built an updated Pi version using SDL 2.0, which has vsync enabled. Beta testers welcome!
For details see: http://simonowen.com/blog/2014/02/02/simcoupe-raspi-sdl20/ Si On 17/02/2013 14:41, Simon Owen wrote: > On 17/02/2013 11:44, Marcos Cruz wrote: > >> It works fine. Only the full-screen mode does not work on X Window. >> Simon explained there's no solution yet. >> >> > I tend to run outside of X as it's slightly faster, which can be needed > for demos that change much of the display each frame. Though I've just > tried in X and it does still work for me: > https://dl.dropbox.com/u/2553707/simcoupi_x.jpg > > The problem I mentioned about not running in X was using OpenGL SE, > where there didn't seem to be Broadcom driver support for it (yet?). GL > SE support still only exists in a private branch at the moment, waiting > on SDL 2.0 to be finalised, and Pi support to be improved generally. I > did whether it was worth the effort for a Pi-specific version of the > video code, but if I can get it for free through SDL I'll get to spend > that time elsewhere! > > > >> SimCoupe makes the Pi's CPU to work a lot (70%-90%) but the maximum >> SAM's speed is good enough (200%-250%). (I have overclocked the Pi to >> 800 MHz). >> >> > ~250% sound about right for maximum running speed with the current > software version. I'm hoping that the switch to GL SE will give a bit > more time back to increase that, as well as 50Hz hard-synced video for > smooth scrolling. > > > >> My Pi has 256 MiB; I've ordered a 512 MiB one because 256 is not enough >> for some working sessions >> > I've got a 512MB model for development, but SimCoupe will always be fine > on the 256MB version. I'll probably create a stripped-down version that > boots directly into SimCoupe, with less other junk loaded on startup -- > similar to Allan's Linux root and boot disks back in 1996 :) > > Si > >
