8-4
u When you are inputting a program —— 2(BASE)
*
* Programs input after pressing 2(BASE) are indicated by
B
to the right of the file name.
• {TOP}/{BOTTOM}/{SEARCH}
• { MENU }
• { d~o } ... {decimal}/{hexadecimal}/{binary}/{octal} value input
• { LOGIC } ... {bitwise operator}
• { DISPLAY } ... conversion of displayed value to {decimal}/{hexadecimal}/{binary}/{octal}
• {A⇔a}/{SYMBOL}
• Pressing !J(PRGM) displays the following program (PRGM) menu.
• { Prog } ... {program recall}
• { JUMP } / { ? } / { ^}
• { RELATNL } ... {conditional jump relational operator menu}
• { : } ... {multi-statement command}
• Pressing !m(SET UP) displays the mode command menu shown below.
• {Dec}/{Hex}/{Bin}/{Oct}
• Pressing !f(FORMAT) displays the color command menu. For details, see “Using Color
Commands in a Program” (page 8-28).
3. Editing Program Contents
k Debugging a Program
A problem in a program that keeps the program from running correctly is called a “ bug”,
and the process of eliminating such problems is called “ debugging”. Either of the following
symptoms indicates that your program contains bugs that require debugging.
• Error messages appearing when the program is run
• Results that are not within your expectations
u To eliminate bugs that cause error messages
An error message, like the one shown to the right, appears
whenever something illegal occurs during program execution.
When such a message appears, press J to display the place in the program where the
error was caused. The cursor will be flashing at the location of the problem. Check the “Error
Message Table” (page
α
-1) for steps you should take to correct the situation.
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