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GetAsyncKeyState     Is Key Up or Down & Was It Pressed

int GetAsyncKeyState(vKey)
int vKey; /* Virtual Key Code */

Returns:
                 msb                                lsb
                +------------------   ------------------+
                |    |          Undefined          |    |
                +------------------   ------------------+
                  |                                  |
                +-------------+     +---------------------------------------+
                | 1 = Key Down|     |1 = Pressed Since Last GetAsyncKeyState|
                | 0 = Key Up  |     |0 = Not Pressed Since last call        |
                +-------------+     +---------------------------------------+