          SCROLLUP       command or subprogram                 PAGE S10
          -------------------------------------------------------------
 
          Format         CALL SCROLLUP

                         CALL SCROLLUP(repetition)

                         CALL SCROLLUP(repetition,string)

                         CALL SCROLLUP(repetition,string,tab)
 
 
          Description
 
          SCROLLUP scrolls screen up so repetition will repeat the 
          scroll number of times to up, the string will only display
          horizontally 32 characters of the string. SCROLLUP puts 
          the string on screen and wraps to top if string is to long.
          If the string is empty (null) it will just scroll the 
          screen each line till end of string. Numbers or variables 
          can be used instead of a string. SCROLLUP runs from ROM.
           Repetition can be 1 to 65535 max.
 
          Programs
 
          Scroll up 2 times print PI    | >CALL SCROLLUP(2,PI)
                                        |
          Clear screen for demo         | >100 CALL CLEAR  
          Prints line but screen off    | >110 PRINT "SCREEN PRINT"
          Scroll screen UP              | >120 CALL SCROLLUP
          Repeat the program            | >130 GOTO 110
                                        |
          Load X$ string variable       | >100 X$=" SCROLL UP"
          Print X$                      | >110 PRINT X$
          Scroll up 9 spaces use X$     | >120 CALL SCROLLUP(9,X$)
          Repeat the program            | >130 GOTO 100


           