[Coco] Software testing for FDC emulator

Robert Gault robert.gault at att.net
Mon Apr 25 23:49:20 EDT 2011


John Donaldson wrote:
> RE:.....The program (which is an ml one) uses the Index Hole timing pulse to
> read disks with its own disk I/O routines.
>
>
> There is the problem. When non-standard IO calls are made then yes emulated Disk
> operation is at risk.
>
>
> John Donaldson

There is nothing non-standard about using the Index status bit with type I 
commands. You probably meant not supported by the Tandy DOS. :)



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