Chapter 16: Programming 444
DS<(
DS<(DS<(
DS<(
DS<( (decrement and skip) subtracts 1 from variable. If the answer is < value (which can be
an expression), the next
command is skipped; if the answer is | value, the next command is
executed.
variable cannot be a system variable.
:DS<(variable,value)
:command (if answer
‚ value)
:command (if answer < value)
Note:
DS<( is not a looping instruction.
Menu(
Menu(Menu(
Menu(
Menu( sets up branching within a program. If Menu( is encountered during program
execution, the menu screen is displayed with the specified menu items, the pause
indicator is on, and execution pauses until you select a menu item.
The menu
title is enclosed in quotation marks ( " ). Up to seven pairs of menu items
follow. Each pair comprises a
text item (also enclosed in quotation marks) to be displayed
as a menu selection, and a
label item to which to branch if you select the corresponding
menu selection.
Program Output
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