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Statements and Functions Used for Displaying Graphic Images
 
                  Statement or
Task              function         Action
══════════════    ══════════════   ════════════════════════════════════════
Setting           SCREEN           Sets the specifications for the
screen-display                     graphics adapter and monitor.
characteristics
 
Plotting or       PSET             Draws a specified point on the
erasing a                          screen. If you do not specify the color,
single point                       the foreground color is selected.
 
                  PRESET           Draws a specified point on the screen.
                                   If you do not specify the color, the
                                   background color is selected.
 
Drawing simple    LINE             Draws a straight line or a box on the
shapes on the                      screen.
screen
                  CIRCLE           Draws a circle or ellipse.
 
                  DRAW             Combines many of the features of other
                                   BASIC graphics statements (drawing
                                   lines, moving the graphics cursor,
                                   scaling images) into an all-in-one
                                   graphics macro language.
 
Defining screen   VIEW             Defines screen limits for graphics
coordinates                        output.
 
                  WINDOW           Defines the dimensions of the current
                                   graphics viewport window.
 
                  PMAP             Returns the window coordinate equivalent
                                   to the specified viewport coordinate,
                                   or the viewport coordinate equivalent
                                   to a specified window coordinate.
 
                  POINT            Returns the current horizontal or
                                   vertical position of the graphics
                                   cursor, or the color of a specified
                                   pixel.
 
Using color       COLOR            Sets the foreground and background
                                   colors for the display.
 
                  PALETTE          Changes one or more colors in the
                                   palette.
 
                  POINT            Returns the current horizontal or
                                   vertical position of the graphics
                                   cursor, or the color of a specified
                                   pixel.
 
Painting          PAINT            Fills an area on the screen with a color
enclosed                           pattern.
shapes
 
Animating         GET (Graphics)   Stores graphic images from the screen
                                   in a numeric array.
 
                  PUT (Graphics)   Displays an image on the screen that
                                   was previously obtained by a GET
                                   (Graphics) statement.
 
                  PCOPY            Copies one video memory page to
                                   another.
 
Loading and       BLOAD            Loads a memory-image file created by BSAVE
saving binary                      into memory from an input device.
format screen
images            BSAVE            Transfers the content of an area of memory
                                   to an output file or device.