+ static final int record_length = 8;
+
+ public AltosEepromRecord (AltosEepromChunk chunk, int start) throws ParseException {
+
+ cmd = chunk.data(start);
+ tick_valid = true;
+
+ tick_valid = !chunk.erased(start, record_length);
+ if (tick_valid) {
+ if (AltosConvert.checksum(chunk.data, start, record_length) != 0)
+ throw new ParseException(String.format("invalid checksum at 0x%x",
+ chunk.address + start), 0);
+ } else {
+ cmd = Altos.AO_LOG_INVALID;
+ }
+
+ tick = chunk.data16(start + 2);
+ a = chunk.data16(start + 4);
+ b = chunk.data16(start + 6);
+
+ data = null;
+ }
+