VideoPortWritePortUchar

VOID VideoPortWritePortUchar(

PUCHAR  Port,
UCHAR  Value
);

VideoPortWritePortUchar writes a byte to 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.

Value

Specifies a byte to be transferred to the adapter.

Comments

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

See Also

VideoPortGetDeviceBase