Optimal resolution
Returns optimal screen width and height.
A1 [in,1u]A2 [in,1u]BX [out,4i]BY [out,4i]This message allows to obtain optimal resolution of the screen. Optimal resolution depends on the current mode:
...as well as the current screen size (size of the virtual machine main window).
If VM isn't able to obtain optimal resolution, message returns zeros as width and height.