)
Call DOSMGR entry point with:
AX = 0000h get DOSMGR version
Return: CF clear
AX = version (AH = major, AL = minor)
AX = 0001h set critical focus
Return: CF clear
AX = 0002h crash current virtual machine
Return: never
Note: displays message box stating that "application has been
stopped by the DOSMGR device"
AX = 0003h enter critical section
Note: this function assumes that the code for INT 2A/AX=8001h
and INT 2A/AX=8002h have been modified for Windows
AX = 0004h get VM ID byte
Return: CF clear if successful
ES:DI -> VM ID byte
CF set on error
Note: this function fails if the INT 2A modifications have not
yet been applied
AX = 0005h inform Windows of possible media change
BL = drive number (00h=A:)
Return: CF clear if successful
CF set on error
SeeAlso: #01282 at INT 20"Windows",#02655,#02657