added test suite and fixed REMs

test.bas

@@ -0,0 +1,65 @@
+5   rem This is a comment and should never be executed
+10  print "Luxferre's Truly Tiny BASIC test suite"
+15  print ""
+20  print "All lines should end with OK to pass"
+30  print "Let's go..."
+35  print ""
+40  print "Nested IF and A-I zero init: ";
+50  if a=0 if b=0 if c=0 if d=0 if e=0 if g=0 if h=0 if i=0 print "OK"
+55  print ""
+60  print "Nested IF and J-Q zero init: ";
+70  if j=0 if k=0 if l=0 if m=0 if n=0 if o=0 if p=0 if q=0 print "OK"
+75  print ""
+80  print "Nested IF and R-Y zero init: ";
+90  if r=0 if s=0 if t=0 if u=0 if v=0 if w=0 if x=0 if y=0 print "OK"
+95  print ""
+100 print "Z zero init: ";
+110 if z=0 print "OK"
+120 print ""
+130 print "Precedence: ";
+140 if 2 + 2 * 2 - 3 / 3 = 5 print "OK"
+150 print "" 
+160 print "Left assoc and full THEN form: ";
+170 if 63 / 8 * 8 = 56 then print "OK"
+180 print ""
+190 print "Parentheses: ";
+200 if 5 * (2+3) * (4 + 1) = 125 print "OK"
+210 print ""
+220 print "Int pos wrap: ";
+230 if 32767 + 1 = -32768 print "OK"
+240 print ""
+250 print "Int neg wrap: ";
+260 if -32768 - 1 = 32767 print "OK"
+270 print ""
+280 print "int mod wrap: ";
+290 if 32767 + 65535 = 32766 print "OK"
+300 print ""
+310 print "This should display 108 after a space: ";12*9;" -> OK"
+315 print ""
+320 print "This should display 56 after a tab: ", 63/8*8 ; " -> OK"
+325 print ""
+330 print "GOTO: ";
+340 goto 3 * 300
+350 print ""
+360 print "GOSUB: ";
+370 GOSUB 2 + 918
+380 print "OK"
+390 print ""
+400 print "RND: ";
+410 x = rnd(100) + rnd(100) + rnd(100) + rnd(100) + rnd(100) + rnd(100)
+420 if x < 600 if rnd(100) <> x/6 print "OK"
+430 print ""
+440 print "Indirect line rewriting in if/then form: ";
+450 if x > -1 then 950 print "OK"
+460 gosub 950
+470 print ""
+480 print "Test end, thank you!"
+490 end
+890 print "This line should never be printed"
+900 print "OK"
+910 goto 350
+920 print "OK"
+930 print "RETURN: ";
+940 return
+950 print "NOT OK"
+960 return