Yamaha Floppy Drive Emulator?

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By Manuel

Ascended (15108)

Manuel's picture

23-02-2019, 17:55

Alexey wrote:

The dump of the FD-051 bios can be found here:

http://podrezov.com/temp/FD-051.zip

Manual:

http://podrezov.com/temp/FD-051_Man.pdf

I wonder if this dump is from the version with the WD2793 (NEW TYPE) or the older type with WD1793.... Can you find out?

By Alexey

Guardian (1925)

Alexey's picture

24-02-2019, 22:25

The controller chip was M5W1793-02P7.

By Manuel

Ascended (15108)

Manuel's picture

24-02-2019, 19:16

Aha, so the old type!

By Manuel

Ascended (15108)

Manuel's picture

24-02-2019, 22:27

I guess the changes between the old and new type are not really visible on the software level, so the disk ROMs of both could be identical. Can someone deny or confirm this?

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