ImageDisk under Win2k

[Dwight Elvey]

>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 
phase)
>> > 
>> > 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 
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.
Dwight

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