Changes

* '''Eval''' provides an RSX that's relocateable to anywhere in the central 32K memory(eg: &4000).This routine works by taking an mathematical expression from a String and assign to the variable expressed within the string. The routine is 464 only as it's using Direct Addressing from the Firmware 1.0. AA unfortunately didn't provide a clear example of how EVAL works, so here's one I came up with: <pre>x=0:a$="x=x+1":WHILE x<10:PRINT x;:|EVAL,@a$:WEND</pre> Unfortunately, I don't know what advantage it has when compared with this code: <pre>x=0:WHILE x<10:PRINT x:x=x+1:WEND</pre>