|R0||Screen mode (mode number or Mode Selector Block)|
The purpose of this call is to read the configured Mode/WimpMode, MonitorType, and Sync settings.
If any of the settings have been configured to ‘Auto’, then the appropriate value for the attached monitor is returned.
Automatic selection of settings is a three-stage process:
In all cases, only the settings which were set to ‘Auto’ in CMOS will be overridden by the automatic selection logic.