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Line 1: {{implementation\|BASIC}}'''uBasic/4tH''' (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> and <tt>FUNC()</tt> extensions; Local variables supported, both initialized and uninitialized; Alphanumeric labels supported; "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]