Toshiba KB-80 사용자 설명서

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Error process

Statement

ON ERROR

Format

ON ERROR GOTO <line number>

Function Declares that the interrupt for the error process is enabled, and declares

the line number of the subroutine to be executed when an error occurs.

RESUME

Format

RESUME

[0]

Function Terminates an error process, and resumes execution of the program.

ERL/ERR

Format

ERR/ERL

Function Provides the line number in which an error occurs (ERL) and the error

code (ERR).

Display input/output

Statement

CLS

Format

CLS

Function Clears the screen.

Format

PRINT [ <expression list> ] [;]

? [ <expression list> ] [;]

Function Displays the character string and contents of the variable on the screen.

LOCATE

Format

LOCATE [ <line> ] [, [ <column> ] [, < <switch> ] ] ]

Function Specifies the position of the cursor on the screen.

Sound output

Statement

BEEP

Format

BEEP

Function Sounds the internal buzzer.

Keyboard entry

Statement

INPUT

Format

INPUT [;] [” <prompt statement> ” ; ] <variable> [, <variable> ] ···

Function Reads a numeric value or a character from the keyboard, and assigns it

to a variable.

Reads the whole line input from the keyboard (max. 255 characters), and
assigns it to a variable.

INKEY$

Format

INKEY$

Function Provides the leading character if any key is pressed on the keyboard, or

provides a null string if no key is pressed on the keyboard.

INPUT$

Format

INPUT$ ( <no. of characters> [, [#] <file number> ] )

Function Reads the character string with the specified length from the keyboard or

the file.