ImageDisk under Win2k

dave04a at dave04a at
Tue Jan 10 08:27:37 CST 2006

> >I have not tried it (don't have FD installed anywhere), however I don't see why
> >it would not - as long as FD leaves the FDC alone when it's not accessing it it
> >should be OK (I access the FDC by direct manipulation - the only DOS
> >functions I use specifically relating to the FDC are get/set the interrupt 
> vector,
> >and the only BIOS function I use is "reset disk system" which I do just before
> >I exit).
> Hi Dave
>  How do you deal with DMA? On my code I needed to setup the
> DMA controller as well.

Yes, I setup the DMA as well. 

By "access the FDC by direct manipulation", I mean that I control the
FDC proper (765 compatible) as well as the Interrupt collers and DMA
chips by talking to them "directly" (gotta love real mode).


dave04a (at)    Dave Dunfield
dunfield (dot)  Firmware development services & tools:
com             Vintage computing equipment collector.

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