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<H1><A NAME="SECTION00020000000000000000">
About <TT>Apoo</TT></A>
</H1>
<TT>Apoo</TT> is an environment for programming in a simple assembly
language. It is implemented in Python and has the following components:
<P>
<DL><DT><IMG WIDTH="14" HEIGHT="14" SRC="redball.png" ALT="*">
<DD> the <A HREF="node4.html#sec:vpu"><SPAN CLASS="textbf">Apoo vir
tual machine</SPAN></A> is a virtual processor with a
very simple architecture and instruction set that mimics almost all
the essential features of a modern microprocessor. As the
aim is to teach assembly language, there is no machine code
associated with the instruction set.
<DT><IMG WIDTH="14" HEIGHT="14" SRC="redball.png" ALT="*">
<DD> the <A HREF="node5.html#sec:apoointerface"><SPAN CLASS="textbf">Apoo Interface</SPAN></A> is a graphical environment that monitors the state of the machine
during the execution of a program and allows the writing/editing/execution
of programs in assembly language.
<DT><IMG WIDTH="14" HEIGHT="14" SRC="redball.png" ALT="*">
<DD> the <A HREF="node6.html#sec:apootutor"><SPAN CLASS="textbf">Apoo</SPAN> <SPAN CLASS="textbf">Tutor</SPAN></A> is a module that aims the
grading of student programs based on a description of what should be
the execution of the program for specified input data sets.
<P>
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<P>
A machine code translation and an assembler implemented in Haskell are
also <A HREF="node7.html#sec:apoovm">available</A>.
<BR><HR>
<ADDRESS>
<a href="http://www.ncc.up.pt/~rvr">Rogrio Reis</a>,<a href="http://www.ncc.up.pt/~nam">Nelma Moreira</a> <I>2006-10-31</I>
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