0:4A0h                   Wait Active Flag

Length: 1 byte

Reports the current status of the real-time clock wait services.


                        Wait Active Flag

7 6 5 4 3 2 1 0
x . . . . . . .      Wait Time elapsed and posted
. x x x x . . .      Reserved
. . . . . x . .      Power on by Alarm pending
. . . . . . x .      User Alarm INT 4Ah pending service
. . . . . . . x      Interval wait currently active

See INT 15h, Services 83h and 86h, for more details on services that
use the WAIT ability.

Bits 2 and 1 are valid only for the PC Convertible.

See also: INT 15h, 83h
See also: INT 15h, 86h

0:4A0h Wait Active Flag