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Man Pages


Manual Reference Pages  -  TCBASIC (1)

NAME

tcbasic - a small BASIC Interpreter written in C

CONTENTS

Synopsis
Description
Options
Statements
Functions
Commands
Authors
Copyright

SYNOPSIS

tcbasic [filename]

DESCRIPTION

tcbasic implements a small subset of BASIC in portable C. If the user specifies a filename on the command line or pipes data to tcbasic, the results will be written to standard out. If no file is specified, an interactive mode is started where a user can interact with the BASIC system directly.

OPTIONS

-h, -? --help
  Print a helpful message and exit
-v --version
  Print version information and exit

STATEMENTS

REM remark
  Remark has no effect on the execution of the program and acts as a comment to the developer. The remark can contain any character.
PRINT list
  Prints the contents of ’list’ to the console where ’list’ is a comma separated list of one or more quoted strings, expressions, and/or variables.
IF expression relop expression THEN statement
  Evaluates both ’expression’s and compares them using relational operator ’relop’. If the relation is true, then the statement will be executed. Otherwise, the statement is skipped.
GOTO expression
  Evaluates ’expression’ and jumps to the corresponding line number.
INPUT var_list
  Given a comma separated list of 1 or more variables, this command will prompt the user to enter a comma separated list of expressions. The value of each expression will be assigned to each corresponding variable.
GOSUB expression
  Evaluates ’expression’ and jumps to the corresponding line number after saving the current line number.
RETURN Returns control to the line after the last ’GOSUB’ call.
LET var = expression
  Assigns the value of expression to variable ’var’ where ’var’ is a single character variable name in the range from A to Z.
END Ends the execution of the program.
STOP Exits the interpreter.
RANDOMIZE
  Re-seeds the random number generator, causing RND to return a different sequence of random numbers.

FUNCTIONS

RND Returns a random number in the range [0,1). The same sequence of numbers is returned in each program run. Use the RANDOMIZE statement to generate different sequences in each program run.
SIN (expression)
  Returns the sine of the given expression (measured in radians).
COS (expression)
  Returns the cosine of the given expression (measured in radians).
TAN (expression)
  Returns the tangent of the given expression (measured in radians).
COT (expression)
  Returns the cotangent of the given expression (measured in radians).
ATN (expression)
  Returns the arctangent of the given expression (measured in radians).
EXP (expression)
  Returns e to the power of the given expression.
LOG (expression)
  Returns the natural logarithm of of the given expression.
ABS (expression)
  Returns the absolute value of the given expression.
SQR (expression)
  Returns the square root of the given expression.

COMMANDS

CLEAR Clears the program from memory and sets all variables to 0.
LIST Prints the current program.
RUN Executes the current program.

AUTHORS

See https://github.com/tcort/tcbasic/graphs/contributors

REPORTING BUGS

See https://github.com/tcort/tcbasic/issues

COPYRIGHT

Copyright © 2015 Thomas Cort <linuxgeek@gmail.com>
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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tcbasic 2.1.0 TCBASIC (1) May 2015

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