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The VideoPortWriteRegisterUshort function writes a USHORT value to a mapped register.
Syntax
VIDEOPORT_DEPRECATED VIDEOPORT_API VOID VideoPortWriteRegisterUshort(
PUSHORT Register,
USHORT Value
);
Parameters
Register
Pointer to the register. The given Register must be in a mapped memory-space range returned by VideoPortGetDeviceBase.
Value
Specifies a USHORT value to be transferred to the adapter.
Return value
None
Remarks
A miniport driver's HwVidInterrupt or HwVidSynchronizeExecutionCallback function can call VideoPortWriteRegisterUshort.
Callers of VideoPortWriteRegisterUshort can be running at any IRQL, provided that the memory pointed to by the Register parameter is resident, mapped device memory.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows 2000 and later versions of the Windows operating systems. |
| Target Platform | Desktop |
| Header | video.h (include Video.h) |
| Library | Videoprt.lib |
| DLL | Videoprt.sys |
| IRQL | Any level (see Remarks section) |