move legacy code to separate branch

Data/ingsw/0621_6/correct.txt

@@ -0,0 +1,16 @@
+function next
+input Integer x;
+output Integer y;
+algorithm
+   y := 1 - x;
+end next;
+
+class System
+Integer x;
+initial equation
+x = 0;
+equation
+when sample(0, 1) then
+    x = next(pre(x));
+end when;
+end System;

Data/ingsw/0621_6/quest.txt

@@ -0,0 +1,3 @@
+img=https://i.imgur.com/F6JCFSU.png
+Si consideri l'automa segunete:
+Quale dei seguenti modelli Modelica fornisce un modello ragionevole per l'automa di cui sopra.

Data/ingsw/0621_6/wrong0.txt

@@ -0,0 +1,16 @@
+function next
+input Integer x;
+output Integer y;
+algorithm
+   y := x;
+end next;
+
+class System
+Integer x;
+initial equation
+x = 0;
+equation
+when sample(0, 1) then
+    x = next(pre(x));
+end when;
+end System;

Data/ingsw/0621_6/wrong1.txt

@@ -0,0 +1,16 @@
+function next
+input Integer x;
+output Integer y;
+algorithm
+   y := 1 + x;
+end next;
+
+class System
+Integer x;
+initial equation
+x = 0;
+equation
+when sample(0, 1) then
+    x = next(pre(x));
+end when;
+end System;

Data/ingsw/0621_6/wrong2.txt

@@ -0,0 +1,16 @@
+function next
+input Integer x;
+output Integer y;
+algorithm
+   y := 1 - x;
+end next;
+
+class System
+Integer x;
+initial equation
+x = 0;
+equation
+when sample(0, 1) then
+    x = next(pre(x));
+end when;
+end System;