VideoPortReadRegisterUlong

ULONG VideoPortReadRegisterUlong(

PULONG  Register
);

VideoPortReadRegisterUlong reads a ULONG value from a mapped register range.

Parameters

Register

Points to the register. The given Register must be in a mapped memory-space range returned by VideoPortGetDeviceBase.

Return Value

VideoPortReadRegisterUlong returns the ULONG value read from the adapter.

Comments

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

See Also

HwVidInterrupt, HwVidSynchronizeExecutionCallback, VideoPortGetDeviceBase