-FOR x = 2 TO 79\r
-c = buf1(x - 1, y - 1)\r
-c = c + buf1(x, y - 1)\r
-c = c + buf1(x + 1, y - 1)\r
-c = c + buf1(x - 1, y)\r
-c = c + buf1(x + 1, y)\r
-c = c + buf1(x - 1, y + 1)\r
-c = c + buf1(x, y + 1)\r
-c = c + buf1(x + 1, y + 1)\r
-IF buf1(x, y) = 1 THEN\r
-IF c > 3 THEN buf2(x, y) = 1 ELSE buf2(x, y) = 0\r
-ELSE\r
-IF c > 4 THEN buf2(x, y) = 1 ELSE buf2(x, y) = 0\r
-END IF\r
-NEXT x\r
+ FOR x = 2 TO 79\r
+ c = buf1(x - 1, y - 1)\r
+ c = c + buf1(x, y - 1)\r
+ c = c + buf1(x + 1, y - 1)\r
+ c = c + buf1(x - 1, y)\r
+ c = c + buf1(x + 1, y)\r
+ c = c + buf1(x - 1, y + 1)\r
+ c = c + buf1(x, y + 1)\r
+ c = c + buf1(x + 1, y + 1)\r
+ IF buf1(x, y) = 1 THEN\r
+ IF c > 3 THEN buf2(x, y) = 1 ELSE buf2(x, y) = 0\r
+ ELSE\r
+ IF c > 4 THEN buf2(x, y) = 1 ELSE buf2(x, y) = 0\r
+ END IF\r
+ NEXT x\r