[BUG] pcem crash dump when adding hard drives to some PS/1 and PS/2

[altheos]

Hello,

with latest source code, when I try to attach a freshly created disk to some PS/1 or PS/2 machines, PCem crashes.
Machines affected by this bug are : PS/2 model 50 (ESDI), PS/1 model 2121 (IDE), PS/2 model 55SX (ESDI). Others machines are unaffected.

[SarahWalker]

Don't know if it's the same bug, but I just committed a fix for a crash bug relating to PS/2 systems at rev 1454.

[altheos]

Seems it was related cause the problem is fixed !
Thanks.