Jungo WinDriver  
Official Documentation

◆ WDC_ReadAddr8()

DWORD DLLCALLCONV WDC_ReadAddr8 ( _In_ WDC_DEVICE_HANDLE  hDev,
_In_ DWORD  dwAddrSpace,
_In_ KPTR  dwOffset,
_Outptr_ BYTE pbVal 
)

Read/write a device's address space (8/16/32/64 bits)

reads 1 byte (8 bits) from a specified memory or I/O address.

Parameters
[in]hDevHandle to a WDC device, returned by WDC_xxxDeviceOpen()
[in]dwAddrSpaceThe memory or I/O address space to read from
[in]dwOffsetThe offset from the beginning of the specified address space (dwAddrSpace) to read from
[out]pbValPointer to a buffer to be filled with the data that is read from the specified address
Returns
Returns WD_STATUS_SUCCESS (0) on success, or an appropriate error code otherwise