Added "the usual suspects".

LICENSE

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+This is the original cc65 compiler copyright:
+
+  -*- Mode: Text -*-
+
+     This is the copyright notice for RA65, LINK65, LIBR65, and other
+  Atari 8-bit programs.  Said programs are Copyright 1989, by John R.
+  Dunning.  All rights reserved, with the following exceptions:
+
+      Anyone may copy or redistribute these programs, provided that:
+
+  1:  You don't charge anything for the copy.  It is permissable to
+      charge a nominal fee for media, etc.
+
+  2:  All source code and documentation for the programs is made
+      available as part of the distribution.
+
+  3:  This copyright notice is preserved verbatim, and included in
+      the distribution.
+
+      You are allowed to modify these programs, and redistribute the
+  modified versions, provided that the modifications are clearly noted.
+
+      There is NO WARRANTY with this software, it comes as is, and is
+  distributed in the hope that it may be useful.
+
+      This copyright notice applies to any program which contains
+  this text, or the refers to this file.
+
+      This copyright notice is based on the one published by the Free
+  Software Foundation, sometimes known as the GNU project.  The idea
+  is the same as theirs, ie the software is free, and is intended to
+  stay that way.  Everybody has the right to copy, modify, and re-
+  distribute this software.  Nobody has the right to prevent anyone
+  else from copying, modifying or redistributing it.
+
+In acknowledgment of this copyright, I (Ullrich von Bassewitz) will place
+my own changes to the compiler under the same copyright.
+
+The library and the binary utils are a complete rewrite done by me and
+covered by the following license:
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from
+the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+claim that you wrote the original software. If you use this software in
+a product, an acknowledgment in the product documentation would be
+appreciated but is not required.
+
+2. Altered source versions must be plainly marked as such, and must not
+be misrepresented as being the original software.
+
+3. This notice may not be removed or altered from any source distribution.

README

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+cc65 is a complete cross development package for 65(C)02 systems, including
+a powerful macro assembler, a C compiler, linker, librarian and several
+other tools.
+
+cc65 has C and runtime library support for many of the old 6502 machines,
+including
+
+  - the following Commodore machines:
+        VIC20
+        C16/C116 and Plus/4
+        C64
+        C128
+        CBM 510 (aka P500)
+        the 600/700 family
+        newer PET machines (not 2001).
+
+  - the Apple ][ and successors.
+
+  - the Atari 8 bit machines.
+
+  - GEOS for the C64 and C128.
+
+  - the Nintendo Entertainment System (NES).
+
+  - the Supervision console.
+
+  - the Oric Atmos.
+
+  - the Lynx Console.
+
+The libraries are fairly portable, so creating a version for other 6502s
+shouldn't be too much work.