testbed is now functional

I would like to make sure some _ tests are
passing, however I have to think of a nice
way to grab debug output and compare it
nicely.  Some require NReg == 3, that is a
pain in the ass.  Maybe they can be changed
to work for the full register set.

lisc/test/max.ssa

@@ -25,3 +25,9 @@ function $test() {
 	storew %max, $a
 	ret
 }
+
+# >>> driver
+# extern void test(void);
+# int a;
+# int main() { test(); return !(a == 200); }
+# <<<