
<P>The last line of the file will be a record conforming to the above format
with a byte count of zero.

<P>The checksum is defined as:

<P><I>sum = byte_count+address_hi+address_lo+record_type+(sum of all data
bytes)</I>
<BR><I>checksum = ((-sum) &amp; ffh)</I>

<P>Here is a sample listing file followed by the resulting object file:
<PRE>0001&nbsp;&nbsp; 0000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
0002&nbsp;&nbsp; 1000&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&