
D i s p l a y
The printer has an
Several functions that manipulate the display use a coordinate system to access a certain point on the display. Coordinate (0,0) (row, column) is the display’s
The display is not compatible with any
standard IBM PC display adapter. There is
no
Display Pages
The printer has two display pages (numbered
An application can manipulate any display page, regardless of the current page. To manipulate the display, use the functions with the vid prefix (see Chapter 4, “Function Reference”).
Each display page has its own cursor. Only one page appears on the display at a time. To ensure the
♦application begins on the same display page every time, use vidSetPage to set the display page at the application’s beginning.
♦display pages are empty at the application’s beginning, use vidScroll to clear the pages at the application’s beginning and end.