Int 74  - IRQ12 - Pointing Device (ps)                                     [H]


Notes: may be masked by setting bit 4 on I/O port A1h
   under DESQview, only the INT 15h vector and BASIC segment address (the
     word at 0000h:0510h) may be assumed to be valid for the handler's
     process

See Also: INT 33,INT 5C