f0; }
</style>
</head><body>
<h1>Ur-Scheme: A GPL self-hosting compiler from a subset of 
R5RS Scheme to fast Linux x86 asm</h1>

<p>Ur-Scheme is a compiler from a small subset of 
<a href="http://schemers.org/Documents/Standards/R5RS/">R5RS
Scheme</a> to Intel x86
assembly language for Linux.  It can compile itself.  It is free software,
licensed under the GNU GPLv3+.  It might be useful as a base for a
more practical implementation (or a more compact one), or it might be
enjoyable to read (particularly si