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some comments re: dosemu 1.1.99 (fwd)

DISCUSSION Stas Sergeev 2 participants 2 messages Oct 20, 2003 – Oct 24, 2003

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Hello.

Quoted 3 lines · Dave Phillips
Quoted 1 line

Version of vapimpu.com?

I've successfully used versions 1.26 and 1.33. Vesion 1.51 didn't work even with the IRQ flag.

OK, waiting for you to test it with
the dosemu CVS HEAD.

Quoted 1 line

I'm eager to try your improved code: I just received a report from another DOSemu + Sequencer Plus user who states that the SAPI drive also loads correctly. IIRC that driver is supposed to access the OPL3 soundchip but he says he can't get it working correctly on his laptop.

All that years long OPL3 is still not implemented. This is pretty sad. I tried it a couple of times and you can find the experemental patch on my page which works more or less but is abandonned (another approach is required). You can try it (on your own risk) and see how good it works for you.

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So you have an improved speaker driver available ?

Yes. Typing "pc-speaker linux" in google shows it at a place 1.

Quoted 1 line

Tell me where it's located and I'll gladly add a link to it.

www.geocities.com/stssppnn/pcsp.html

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Aha, so FreeDOS will not run Windows ?

Yes, this is even stated in dosemu-HOWTO.txt somehow. Although it is written there that Win3.1 won't work, I suspect any other versions of Windows won't either (2.0 doesn't seem to atleast).

Quoted 1 line

I'm very impressed with DOSemu's capabilities, particularly its audio and MIDI support. You're all doing a fantastic job !

Yes. A little more efforts to implement OPL3 and we'd have a flawless sound support, but it looks like it got stalled for now.

#1 lore raw

Hi,

Quoted 6 lines · Stas Sergeev
Quoted 6 lines

I'm eager to try your improved code: I just
received a report from another DOSemu + Sequencer Plus user who states that the SAPI drive also loads correctly. IIRC that driver is supposed to access the OPL3 soundchip but he says he can't get it working correctly on his laptop.

Hmm, for the OPL3, if he has a real chip, can he pass through the necessary ports in dosemu.conf?

Quoted 8 lines

All that years long OPL3 is still not implemented. This is pretty sad. I tried it a couple of times and you can find the experemental patch on my page which works more or less but is abandonned (another approach is required). You can try it (on your own risk) and see how good it works for you.

Well, if it helps, synthulator's plugin interface is done, with a OPL2 emu plugin, and it waits for me to find out why my ALSA code does not work. It would be very easy to create a `opld' that operates in the same manner as midid does currently and have DOSEMU create the fifo for it to read from. DOSEMU could also use the synthulator lib directly (instead of opld using it and DOSEMU talking to opld). This would adding another library dependency which may not be desired, but removing the need for the daemon (which is sure to be another annoying thing for users).

A OPL2 HW plugin should be easy but I need to find somebody who knows the ALSA hwdep opl interface or the OSS direct-FM interface, because I have no idea how to program them. Also, I need to figure out how to acces the opl cell on my vortex card, which takes more looking through aureal's binaries...

Anyway this should do what I intended in the first place, which is provide access to hardware and software synth chip through the same interface, maybe I will have some time this weekend to clean it up and present it. BTW this can also be used for Game Blaster and Tandy/PCJR sound support, only the necessary plugins need to be adapted. (If anyone has a real Game Blaster card, they can write the HW plugin for it... it will need access to /dev/port though for Linux and iopl() for others)

Quoted 6 lines
Quoted 3 lines

I'm very impressed with DOSemu's
capabilities, particularly its audio and MIDI support. You're all doing a fantastic job !

Yes. A little more efforts to implement OPL3 and we'd have a flawless sound support, but it looks like it got stalled for now.

Stas, do you use ICQ or Jabber, if so, please contact me there.

Bye,

Signature · 1 line
Ryan Underwood, <nemesis at icequake.net>, icq=10317253