INT 21 - DIET v1.43e - SET ADDRESS OF EXTERNAL PROCEDURE
AX = 37DCh
BX = 899Dh ('DI' + 'ET')
DS:DX -> external procedure (see #01397)
Return: AX = 0000h
Note: the resident code will call the specified external procedure at the
beginning of decompression and when compression is exited on failure
SeeAlso: AX=37DDh