Re: Basic Floppy Disk loader help.

David J. Craig wrote:
> Also you have problems with the limits of the floppy drive controller and
> the chips it uses. DMA is a big one. Some older systems could not read
> more than one physical track at a time, but most of those systems should be
> in landfills by now. I think some would not even change heads on a single
> read or write, but that might be for the 5.25 or even the 8" floppy drives.

Two limitations:

1. Can't DMA more than 64K (obviously)
2. Can't DMA across segment boundary (not so obvious)

....although his code is hitting any of these -- I concur with the
previous poster that he's overwriting his own code.

But what do I know :-)

.

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