SELECT_PLANE (Function 27)

Call With

EBX: Contains a Windows VM Handle.

EBP: Points to the Windows VM's Client Registers.

DL: Contains the VGA read plane number (0, 1, 2, 3)

DH: Contains the VGA write plane mask (1 for plane 0, 2 for plane 1, 4 for plane 2, and 8 for plane 3).

Return Values

Save anything that you use.

Remarks

This function is called when the Main VDD is asked to restore VRAM for a full screen VM. It allows mini-VDD's operating on non-standard hardware to set the VGA read and write planes.