public _vsync_Proc,vsync_Proc
vsync_Proc label dword
_vsync_Proc dd 0
public _vsync_Delay,vsync_Delay
vsync_Delay label word
_vsync_Delay dw 0
public vsync_OldMask,_vsync_OldMask
_vsync_OldMask label byte
vsync_OldMask db 0
EVEN