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QEMU and DOS (Ultra)-DMA drivers (Emulation)

posted by rr Homepage E-mail, Berlin, Germany, 13.08.2022, 21:16

> > May I ask why you are looking for such a driver?
>
> Hmmm - replying to a question with a "why" question - isn't that a common
> phenomenon in forums where wanabee experts want to demonstrate a noobie
> that he/she has no idea what they are doing? :-D

I'm sorry for you and your experiences in other forums. ;-)

> Seriously: I have a feeling that Qemu is a bit buggy in this terrain. My
> attempts to make a DMA driver work in Qemu ( xdma32.dll ) were NOT
> successful so far. And this seems a bit strange, because adding support for
> multi-word DMA for an UDMA driver is a rather simple, almost trivial thing
> to do. I did it in 86Box and it worked, but admittedly, 86Box isn't exactly
> regarded as the gold standard in the emulator world.

I see. Thanks.

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