VideoPortReadPortUlong

ULONG VideoPortReadPortUlong(

PULONG  Port
);

VideoPortReadPortUlong reads a ULONG value from a mapped I/O port.

Parameters

Port

Points to the port. The given Port must be in a mapped I/O-space range returned by VideoPortGetDeviceBase.

Return Value

VideoPortReadPortUlong returns the ULONG value read from the adapter.

Comments

A miniport’s HwVidInterrupt or HwVidSynchronizeExecutionCallback function can call VideoPortReadPortUlong.

See Also

HwVidInterrupt, HwVidSynchronizeExecutionCallback, VideoPortGetDeviceBase