BOOLEAN DriveMapInstalled = FALSE; // Tells us if we have already installed our drive map int 13h handler code
ULONG OldInt13HandlerAddress = 0; // Address of BIOS int 13h handler
ULONG DriveMapHandlerAddress = 0; // Linear address of our drive map handler
ULONG DriveMapHandlerSegOff = 0; // Segment:offset style address of our drive map handler
BOOLEAN DriveMapInstalled = FALSE; // Tells us if we have already installed our drive map int 13h handler code
ULONG OldInt13HandlerAddress = 0; // Address of BIOS int 13h handler
ULONG DriveMapHandlerAddress = 0; // Linear address of our drive map handler
ULONG DriveMapHandlerSegOff = 0; // Segment:offset style address of our drive map handler