INT 53 - ??? - API
BX = function
0000h ???
AX = ???
Return: AX = ???
0004h ???
0009h ???
0015h
AX = ???
DX = ???
0017h
Return: ???
Notes:  the installation check consists of looking for the signature "WEBCO"
immediately prior to the interrupt handler
the above calls are made by Show Partner F/X v3.6 (see INT 10/AH=53h)


53 - ??? - API