UCHAR VideoPortReadPortUchar(
PUCHAR Port | |
); |
VideoPortReadPortUchar reads a byte from a mapped I/O port.
VideoPortReadPortUchar returns the byte read from the adapter.
A miniport’s HwVidInterrupt or HwVidSynchronizeExecutionCallback function can call VideoPortReadPortUchar.
HwVidInterrupt, HwVidSynchronizeExecutionCallback, VideoPortGetDeviceBase