View source for Category:UBasic/4tH

'''uBasic''' (not to be confused with [[UBASIC]]) is an integer Basic interpreter in the tradition of Tiny BASIC, with which it is largely compatible. This version is entirely written in [[4tH]], some bugs have been removed and several additional features have been added, like user stack support and structured programming:

*<tt>PUSH, POP()</tt> and <tt>TOS()</tt> can be used to emulate <tt>DATA</tt> statements, pass parameters to subroutines or make recursive subroutines;
*<tt>DO, LOOP, UNTIL, WHILE, CONTINUE</tt> and <tt>BREAK</tt> supported;
*Multi line <tt>IF..THEN..ELSE..ENDIF</tt> supported;
*Parameter passing supported by <tt>GOSUB</tt>, <tt>RETURN</tt>, <tt>PROC</tt> and <tt>FUNC()</tt> extensions;
*Local variables supported, both initialized and uninitialized;
*Alphanumeric labels supported;
*String support with automatic ''and'' manual "garbage collection";
*Exception handling, using <tt>TRY()</tt> and <tt>RAISE</tt>;
*Text file support with read, write and append modes;
*Input parsing, using <tt>TOK()</tt> and <tt>SKIP</tt>;
*"Structured Basic" commenting style.

==See also:==
* [http://sourceforge.net/p/forth-4th/wiki/uBasic%20and%20Tiny%20BASIC/ uBasic and Tiny BASIC]
* [http://sourceforge.net/p/forth-4th/wiki/Basically%20a%20touch%20of%20Forth/ Basically a touch of Forth]
* [https://sourceforge.net/p/forth-4th/wiki/The%20strange%20strings%20of%20uBasic/ The strange strings of uBasic]