I think I'm right to say that external RAM can be paged into the top 32kb of address space. And it's presumably uncontended? So you could page some in and run a 48 emulator but everything would run at quite the wrong speed.
Simon: I've always found 2048 samples to be the sort of level where most operating systems start playing nice with audio output; assuming 44100Hz output, wouldn't synchronising to that limit you to only about 22 synchronisation points a second? So frames would end up bunched together? Not really on topic, I admit, and the evidence that you know what you're doing is plentiful. I'm just curious. On Tue, Oct 25, 2011 at 12:38 PM, Roger Jowett <[email protected]> wrote: > key repeats? > > is it impossible to run 48 emulator snapshots in external ram? > > On 24 October 2011 14:35, Simon Owen <[email protected]> wrote: >> Hi Ian, >> >> I'm hoping fixed running rates will come 'for free' as part of the switch to >> audio-based synchronisation (rather than the current timer method). >> >> In the meantime, if you don't actually need the key repeats, try this >> patched ROM to disable them: http://dl.dropbox.com/u/2553707/norepeat.zip >> >> Extract it somewhere, then select it from Tools -> Options -> System (tab) >> -> ROM image. Reset the emulated machine to activate it. >> >> Cheers, >> >> Si >> >> >> On 23 Oct 2011, at 10:33, Ian Spencer wrote: >> >>> Hi Si, >>> >>> I'm sure you have been asked this hundreds of times before so I'll >>> apologise before I start but I've always used SIMCOUPE synchronised to 50Hz >>> with most programs and with others unsynchronised where the speed was >>> useful (especially with the program which I have used for years to handle >>> my bank accounts) and set the keyboard repeat rate to prevent multiple key >>> presses being produced. But the modern 3Ghz 4CPU machines I now have are >>> just so fast it's impossible to set the repeat rate low enough. They are >>> just too fast and as many programs are much more usable when the speed is >>> 200 - 500% above the standard it would be really fantastic if this was in >>> some way selectable even if at this speed the instruction timings weren't >>> very accurately scaled. >>> >>> Best wishes, >>> Ian Spencer >>> >> >> >
