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<messages>
<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">portb&lt;1:0&gt;</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">nc_adr</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">mpd_in</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">irq_in</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="647" delta="new" >Input &lt;<arg fmt="%s" index="1">extsel_in</arg>&gt; is never used. This port will be preserved and left unconnected if it belongs to a top-level block or it belongs to a sub-block and the hierarchy of this sub-block is preserved.
</msg>

<msg type="warning" file="Xst" num="646" delta="new" >Signal &lt;<arg fmt="%s" index="1">merged_out.adr&lt;11:8&gt;</arg>&gt; is assigned but never used. This unconnected signal will be trimmed during the optimization process.
</msg>

<msg type="warning" file="Xst" num="646" delta="new" >Signal &lt;<arg fmt="%s" index="1">merged_out.adr&lt;3:0&gt;</arg>&gt; is assigned but never used. This unconnected signal will be trimmed during the optimization process.
</msg>

<msg type="warning" file="Xst" num="2677" delta="new" >Node &lt;<arg fmt="%s" index="1">pia_portb_0</arg>&gt; of sequential type is unconnected in block &lt;<arg fmt="%s" index="2">use_pia</arg>&gt;.
</msg>

<msg type="warning" file="Xst" num="2677" delta="new" >Node &lt;<arg fmt="%s" index="1">pia_portb_1</arg>&gt; of sequential type is unconnected in block &lt;<arg fmt="%s" index="2">use_pia</arg>&gt;.
</msg>

<msg type="warning" file="Xst" num="2677" delta="new" >Node &lt;<arg fmt="%s" index="1">pia_ddrb_0</arg>&gt; of sequential type is unconnected in block &lt;<arg fmt="%s" index="2">use_pia</arg>&gt;.
</msg>

<msg type="warning" file="Xst" num="2677" delta="new" >Node &lt;<arg fmt="%s" index="1">pia_ddrb_1</arg>&gt; of sequential type is unconnected in block &lt;<arg fmt="%s" index="2">use_pia</arg>&gt;.
</msg>

</messages>

