INT 2F - MS WINDOWS/386 2.x - GET API ENTRY POINT
AX = 1602h
Return: ES:DI -> Windows/386 2.x API procedure entry point
Notes:  this interface is supported in Windows 3.x only for 2.x compatibility
to get the current virtual machine (VM) ID in Windows/386 2.x:
AX = 0000h
ES:DI -> return address
JUMP to address returned from INT 2F/AX=1602h
After JUMP, at return address:
BX = current VM ID.

See also: 2F0C20

2F1602 - MS WINDOWS/386 2.x - GET API ENTRY POINT