Introduction to C/MS Interface.
 Creative Voice File Format CVFF
 Function_0  Get Version Number.
 Function_1  Set Base I/O Address.
 Function_2  Set Interrupt number.
 Function_3  Initialize Driver.
 Function_4  On / Off Speaker.
 Function_5  Set Status Word Address.
 Function_6  Output Voice.
 Function_7  Input Voice.
 Function_8  Stop Voice Process.
 Function_9  Uninstall Driver.
 Function_10 Pause output voice.
 Function_11 Continue output voice.
 Function_12 Break-out Looping voice.
 Function_13 Set User Function.