Function 21, subfunction 6 - set WSS base port.
Parameters:
eax = 21 - function number
ebx = 6 - subfunction number
ecx = base port
Returned value:
eax = 0 - success
eax = -1 - erratic port number
Remarks:
Port number must satisfy to condition 0x100≤ecx.
WSS base is used by
function 27
.
To get WSS base port use
subfunction 6 of function 26
.