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Floppy Disk Controller: Difference between revisions
m
→Controller Reset: - formatting error
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(Added USB comment, comments about emulation errors) |
m (→Controller Reset: - formatting error) |
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# Wait for the resulting IRQ6.
# Send a Sense Interrupt command (required).
# If your OS/driver never turned off polling mode (see the Configure command), then you have to send 3 more Sense Interrupt commands. (Alternately, you can tell if you need the extra 3 by examining the top 2 bits of the st0 byte returned by the first Sense Interrupt. If both bits are set,
you need to send 3 more.)
# If your OS/driver never sent a Lock command, then you need to send a new Configure command (the fifo information was lost in the reset).
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