Add and correct coord normalization

Now X and Y coordinate are bounded

tisdraw.txt

 DUP:MOV -1 RIGHT
 
 @3
-MOV LEFT ACC
+B:MOV LEFT ACC
 MOV ACC DOWN
 MOV ACC DOWN
+#NORMALIZE Y
+MOV ANY ACC
+JLZ Z
+SAV
+SUB 21
+JGZ BIG
+SWP
+MOV ACC LAST
+JMP B
+Z:MOV 0 LAST
+JMP B
+BIG:MOV 21 LAST
 
 @4
 MOV RIGHT UP
 JEZ SND
 SWP
 ADD UP
-MOV ACC DOWN
-MOV DOWN ACC
+MOV ACC UP
+MOV UP ACC
 SAV
 JMP B
 SND:SWP
 MOV -1 DOWN
 
 @11
-#NORMALIZE COORD
+#NORMALIZE X
 B:MOV ANY ACC
 JLZ Z
 SAV
-SUB 30
+SUB 34
 JGZ BIG
 SWP
 MOV ACC LAST
 JMP B
 Z:MOV 0 LAST
 JMP B
-BIG:MOV 30 LAST
+BIG:MOV 34 LAST