//** This is the biggest damned hack I've ever seen under DPMI.  As if there
//** aren't enough hacks as it is.  Since it is required that we be able
//** to execute some real-mode code (like DIGPAK and MIDPAK) even though
//** we are in proteted mode, it is necessary to get into real-mode.
//** The problem is that DIGPAK and MIDPAK are initialized and de-initialized
//** through a indirect far call to a jump table.  Normal funtion 301h of
//** the DPMI services int 31h would take care of this.  But the 4GW 'royalty
//** free' DOS extender that comes with Watcom doesn't support this most basic
//** function.	Meaning there is no way, from protected mode, that we can call
//** a real-mode far procedure.  Therefor I have created, as a place holder, the
//** 'vector manager'.  This attaches to the INT 66h vector PRIOR!!!! to any
//** DIGPAK/MIDPAK installation.	This is accomplished by stomping on the INT
//** 66h vector and simulating a real-mode interrupt, which 4GW supports.
//** However, even this method of installing the interupt is dangerous.
//** It is only a placeholder until a better system can be devised.  Once
//** installed the VECTOR manager now provides a service that will let us
//** peform a far real-mode procedure call.
//** The vector manager requires the presence of VECTOR.COM in the directory
//** which is the tiny real-mode interrupt vector hook.  This is all black
//** boxed and handled by the LOADER.C program which handles dynamically
//** loading and unloading DIGPAK and MIDPAK drivers.
//** Note: both DIGPAK and MIDPAK are capable of operating as a DOS real-mode
//** TSR.  If LOADER finds both DIGPAK and MIDPAK in memory as a TSR it will
//** use the resident portion rather than trying to dynamicall load the
//** versions specified.
extern int cdecl InstallVector(char *vect); // Install far call vector manager.
extern int cdecl RemoveVector(void); // Remove vector manager.
/*																																					 */
/*		Written by John W. Ratcliff (c) 1994																	 */
/*			 Compuserve: 70253,3237 																						 */
/*			 Genie: J.RATCLIFF3 																								 */
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