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SOUND support in DOS | Piotr | HDA (Developers)

posted by RayeR(R) Homepage, CZ, 18.12.2011, 05:35

> Nice to see you got some results. I will let Piotr know about the forum.
> I used DJGPP 2.03/GCC 2.95.3 to compile back then and had no problems.

I tracked the DJGPP compiler problem and found it got broken between GCC 4.0.1 and 4.1.2. Up to ver 4.0.1 it's playing OK. between 4.1.2 and 4.5.1 it is silent but don't crash/hang. And ver 4.6.x makes it crash/hang. It doesn't matter what djdev is used - both 2.03 and latest 2.04beta works.
I suspect that gcc made some advanced optimization with bad side effects. Maybe there's missing "volatile" attribute or such things, hard to trace...
I should try with -O0

---
DOS gives me freedom to unlimited HW access.

 

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