--- a/hw.S	Wed May 05 17:33:30 2010 +0300
+++ b/hw.S	Wed May 05 23:43:38 2010 +0300
@@ -20,8 +20,8 @@
 
     ; Setup Timer 0
         ; Count to 64k
-        ldi         r18, HIGH(0xffff)
-        ldi         r19, LOW(0xffff)
+        ldi         r18, HIGH(0xffff/2)
+        ldi         r19, LOW(0xffff/2)
         sts         OCR1AH, r18
         sts         OCR1AL, r19