[osflash] Announcing FC64
ncannasse at motion-twin.com
Tue Apr 25 18:31:36 EDT 2006
>>That's very interesting to see if the cost of the AS3JIT (compared to
>>pure C code) + the cost of the AS3 6502VM + peripherals handling will
>>match the original hardware speed. Any forecast / preliminary results ?
> In the debug player, the current CPU runs at ~2.5 MHz. The original C64
> runs at 1 MHz, so currently we're ahead of the game. This is, of
> course, minus the display code, which will slow things down a bit.
Yes but not that much ;)
> However, I was able get someone from Adobe to do performance tuning on
> the CPU core, and in the release player the code is a lot faster - the
> CPU runs somewhere between 6 and 7 MHz (I don't know the exact number,
> that's just what I was told).
> So, in theory, we should be able to play games in "real-time", as long
> as we don't write slow display code :-)
It depends of course of the machine you're running the emulator on but I
guess as you concluded that it should be enough to emulate the C64
without any further workarounds.
It might be even enough to adapt the Ricoh 6502 processor on the NES.
But it needs an additional graphical coprocessor which might be more CPU
intensive than C64 one. Any sound synthesis possible ?
More information about the osflash