_ADDRB_LSB) &amp; 0x1,
	    .rega_deref = (modes &gt;&gt; RB_ADDRA_LSB) &amp; 0x1,
	},
	.opcode = instr &gt;&gt; 28,
	.regc =  (instr &gt;&gt; 8) &amp; 0xF,
	.regb =  (instr &gt;&gt; 4) &amp; 0xF,
	.rega = instr &amp; 0xF,
    };
}
</pre>
</div>
</div>
</div>

<div id="outline-container-sec-3-2" class="outline-3">
<h3 id="sec-3-2">Modes</h3>
</div>

<div id="outline-container-sec-3-3" class="outline-3">
<h3 id="sec-3-3">Following mode rules</h3>
</div>
</div>

<div id="outline-container-sec-4" class="outlin