Disk write
Writes bytes into the disk.
A1 [in,1u]A2 [in,1u]A3 [out,1b]AY [in,4i]BX [in,4u]BY [in,4i(addr)->1[size]]This message allows you to write data into the disk inserted into given slot.
If A3 returns false, it doesn't mean that all the operation failed.
Several bytes could been written.