Effect

Rolls content of specified window to the left to produce a scrolling that makes disappear the text.

Syntax

ROLLL #<WindowNumber>,<MovesNumber>

Parameters

<WindowNumber> is a number between 1 and 9. It must always be preceded by # and correspond to a window previously defined with the WINDOW instruction.

<MovesNumber> is a number to specify how many spaces to the left will be used for the scrolling. If you use 0, there will be no scrolling. If you use a number higher than 255, it will be read as a number between 0 and 255 (256=0, 257=1, 258=2, etc.)

Example

10 SCREEN0:KEYOFF:WIDTH40
20 WINDOW#1,1,1,38,3
30 WBOX#1
40 LOCATE#1,5,0
50 WPRINT#1,"MSX Resource Center"
60 ROLLL#1,120

Related to

LOCATE, ROLLD, ROLLR, ROLLU, WBOX, WINDOW, WPRINT, WRAPD, WRAPL, WRAPR, WRAPU

Compatibility

Delta BASIC