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<p class=BHead style='border:none;padding:0in'><span style='font-size:16.0pt'>Lab
A: Observing Data Flow within the Data Path Simulator (PathSim)</span></p>
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<p class=BHead style='margin:0in;margin-bottom:.0001pt'><span style='font-size:
12.0pt'>Goal:</span></p>
<p class=MsoBlockText style='margin:0in;margin-bottom:.0001pt;text-align:justify'><span
style='font-style:normal'>With the completion of this lab you will understand
the values placed on lines in the data path for the R-type instructions as discussed
in sections 5.1 through 5.4</span></p>
<p class=BHead style='margin-bottom:0in;margin-bottom:.0001pt'><span
style='font-size:12.0pt'>Steps</span></p>
<ol style='margin-top:0in' start=1 type=1>
<li class=MsoNormal>Use your browser to open the data path simulator
PathSim.html. The page is resident in the folder PathSim\DataPathSimulator
along with other required html and jar files. Note: the simulator was
verified with Internet Explorer 6.0, Netscape 7.2 and Firefox 1.0.4.</li>
</ol>
<p class=MsoBlockText style='margin-top:0in;margin-right:0in;margin-bottom:
0in;margin-left:.5in;margin-bottom:.0001pt;text-indent:-.25in'><span
style='font-style:normal'>2.<span style='font:7.0pt "Times New Roman"'>
</span></span><span style='font-style:normal'>Select and copy the snippet of assembly
code appearing in the box below and paste it into the Instruction Input box in PathSim.
The Instruction Input box is a text box and, therefore, you can do some
text-editing within the box. Next, assemble the set of instructions by pressing
the Assemble button. The snippet of code is written intentionally with two syntax
errors. Thus, when you assemble the code, an alert box will popup, showing a
line containing an error. The PathSim assembler is a 揻irst error and out?? 快捷鍵說(shuō)明
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