Coen van der Geest wrote:
>
> Hi there,
>
> >But if I run an MSX1 game on BrMSX, using a video card with TV-out and an
> >MSX joystick connected to the PC, and I hide the PC itself from sight, can
> >you tell the difference with a real MSX1?
>
> Did I hear Turing Test? *grin* (OK, someone already used that joke B4,
> but I liked it).
>
> >I don't mind if a few crappy coded games won't run. If BrMSX can run MSX1
> >games as well as my 8250 can, it's close enough to perfect for me.
>
> The problem is that sound chips like the FM Pac can't be emulated
> correctly, since the A/D (that's D/A ed.) Convertor of (for example) the SoundBlaster
> can't produce FM sounds.
a fmpac cannot be emulated on ANY d/a convertor... an d/a convertor is
just that, an Digital-to-analouge convertor... kick it... spit at it...
but it will not give one sigh.. you realy need to apply an digital sound
source to get a signal from it...
btw... didn't the soundblaster 16 have an OPL3 or OPL4?
> It is very hard to emulate the FM Pac, which is
> kind of an analogue synth.
nope... fm-pac has a FM synth inside which is digital...
i challange you to name one analouge signal processing step in the
fm-pac (except for
any amps)
> Compare it with Rebirth emulating the
> (analogue) TB303 synth.
are you saying that you can compare an FM-Pac to ReBirth?
if so you are wrong (and i hate saying this) again.... completely
different technology....
if you mean that you'd have to use ReBirth-like technologies to
emulate an FM-Pac then i'd say forget it.... emulating an fm sound
generator
using tiny samples is near to impossible due to the complexity of FM
sound...
The only option i see is that you do some reading on FM and write code
that emulates
the fm-operators... this way you can make any fm sound on any d/a
convertor..
FM is actually quite simple... you take one wave and multiply it with
another to change
the sound...
> Emulators like KGen (Megadrive/Genesis) use this
> technology.
yeah, but megadrive didn't have an FM chip, did it?
> BTW: I love emulators. Great hobby.
If i ever found some time i'm sure i'd be doing emulators as well... :))
greetz,
akai
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