Initial data commit

Task/Flow-control-structures/Tiny-BASIC/flow-control-structures.basic

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+    REM TinyBASIC has only two control flow structures: goto and gosub
+    LET N = 0
+ 10 LET N = N + 1
+    PRINT N
+    IF N < 10 THEN GOTO 10
+
+    LET R = 10
+
+ 15 IF N < 10000 THEN GOSUB 20
+    IF N > 10000 THEN GOTO 30
+    GOTO R + 5    REM goto can be computed
+
+ 20 LET N = N * 2
+    PRINT N
+    RETURN    REM gosub returns to where it was called from
+              REM meaning it can be called from multiple
+              REM places in the program
+
+ 30 LET N = 0
+ 40 GOSUB 105-N    REM gosub can be computed as well
+    IF N <= 5 THEN GOTO 40
+    END
+
+100 PRINT "ZERO"
+101 PRINT "1"
+102 PRINT "22"
+103 PRINT "333"
+104 PRINT "4444"
+105 PRINT "55555"
+    LET N = N + 1
+    RETURN    REM one return can serve several gosubs