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Old 09 December 2012, 11:04   #13
Toni Wilen
WinUAE developer
Join Date: Aug 2001
Location: Hämeenlinna/Finland
Age: 41
Posts: 17,874
I found 1.3 DOS undocumented (not even Guru book mentions it) bug/feature that causes access fault when filesystem handler starts and handler was expecting documented ACTION_STARTUP packet contents.

For some reason 1.3 autoboot startup packet has only single valid field (dp_Arg2 is valid, dp_Arg1=garbage, dp_Arg3=NULL). Only manual mounting creates fully valid packet.

Update coming soon.
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