Reset Driver and Read Status
     Show Mouse Cursor
     Hide Mouse Cursor
     Return Position and Button Status
     Position Mouse Cursor
     Return Button Press Data
     Return Button Release Data
     Define Horizontal Curos Range
     Define Vertical Cursor Range
     Define Graphics Cursor
     Define Text Cursor
     Read Motion Counters
     Define Interrupt Subroutine Parameters
     Light Pen Emulation On
     Light Pen Emulation Off
     Define Mickey/Pixel Ratio
     Define Screen Region for Updating
     Define Double-Speed Threshold
     Exchange Interrupt Subroutines
     Return Drive Storage Requirements
     Save Driver State
     Restore Driver State
     Define Display Page Number
     Return Display Page Number