INT 15 - TopView - "FREEBIT" - UNDEFINE A 2ND-LEVEL INTERRUPT HANDLER
AX = 1014h
BX = bit mask from INT 15/AX=1013h
SeeAlso: AX=1015h

See also: 151013

151014 - TopView - "FREEBIT" - UNDEFINE A 2ND-LEVEL INTERRUPT HANDLER