Int 31 Fn 0B02 P - Dpmi 0.9+ - Get State Of Debug Watchpoint [E]
AX = 0B02h
BX = watchpoint handle
Return: CF clear if successful
AX = status flags
bit 0: watch point has been executed since AX=0B00h or AX=0B03h
CF set on error
AX = error code (DPMI 1.0+) (8023h) (see #2814)
See Also: AX=0B00h,AX=0B03h