Int 6D/AX=BD6Fh

AX = BD6Fh
BL = subfunction
00h installation check
01h disable TSR
02h enable TSR (see AX=BD60h)

Return:
AX = 00BDh if installed

See Also: AX=BD60h - AX=BD61h - AX=BDFFh

Category: Video - Int 6Dh - M