ImageDisk under Win2k
dwight.elvey at amd.com
Tue Jan 10 12:29:35 CST 2006
>From: dave04a at dunfield.com
>> Dave Dunfield wrote:
>> > IMD needs:
>> > - unrestricted access to the floppy disk controller hardware.
>> > - Nobody else messing with the FDC hardware/interrupts while it is
>> > active.
>> > - to not be held-up while some other task decides to hog the CPU for
>> > a little while (there are real-time critical aspects to the analysis
>> > Winders 2K fails on pretty much all of the above. I haven't tried VPC, but
>> Matter of interest, and I haven't got time to try it, but will it work
>> in FreeDOS?
>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
>and the only BIOS function I use is "reset disk system" which I do just before
How do you deal with DMA? On my code I needed to setup the
DMA controller as well.
>dave04a (at) Dave Dunfield
>dunfield (dot) Firmware development services & tools: www.dunfield.com
>com Vintage computing equipment collector.
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