Re: CC65 - C Crosscompiler for 6502 Systems

[wsmith@NOSPAM.ctron.com (Will Smith)]

i thought this might be of interest to somebody here...  there's need
for assistance towards Apple II compatibility mentioned towards the
end.  wouldn't this help the Apple II community?  :)

On Wed,  7 Oct 1998 10:46:52 GMT, uz@wuschel.musoftware.de (Ullrich
von Bassewitz) wrote:

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|>
|>
|>Maybe the Linux folks are interested in this one:
|>
|>- ---------------------------------------------------------------------
|>
|>I'm proud to announce version 2.0 of CC65, a C crosscompiler for 6502
|>systems.
|>
|>
|>
|>There are many changes between this release and the last one. To highlight
|>some:
|>
|>  * Completely new set of binary utilities that include
|>
|>      - A one pass macroassembler that outputs relocative modules, has
|>       	segment support, is switchable between 6502, 65SC02 and 65SC816
|>	CPUs...
|>
|>      - A new linker with a highly configurable output. The linker is able
|>	to support ROMable code (separate load and run addresses for
|>	data), multi-ROM environments (relocate into multiple memory
|>	areas) and more.
|>
|>      - An all new archiver for the new object file format.
|>
|>    Even if you don't need a C compiler, the new binutils are definitely
|>    worth a look!
|>
|>    The new tools have a less restrictive copyright (no GPL!). There are
|>    no restrictions for use. You may even sell the tools or use the code
|>    in your projects without fear of "GPL infecting" your own code. See
|>    the doc files for details.
|>
|>  * Better code for the compiler. The code is still far from being
|>    optimal, but you may expect speed improvements up to a factor of
|>    three.
|>
|>  * The compiler is now much more standard conform. Many sources from
|>    other platforms should compile without changes.
|>
|>  * Better support for the standard C libary. A very large subset of the
|>    standard ISO C library is available.
|>
|>  * Conio library for direct console I/O is available on *all* supported
|>    systems. Text mode programs using conio are portable between all
|>    platforms!
|>
|>  * Joystick support for the C64/C128 and Plus/4.
|>
|>  * Supported systems: Because of lack of time, I had to drop the ACE
|>    libraries (anyone willing to help me here?). Support for
|>
|>      	c64
|>      	c128
|>      	plus/4
|>      	cbm 600/700 family (aka B series)
|>
|>    is now equally available. The implementation for the 600/700 series is
|>    rather nice, since the 6509 runs with 2MHz on these systems, and
|>    programs compiled with cc65 use a separate memory bank, so you have
|>    almost FULL 64K of memory!
|>
|>  * Completely new documentation. I've written new docs for the binutils
|>    and the compiler. More than 120K of text files are available and
|>    should help you to get started.
|>
|>  * Updated sample programs. One of the samples plays the complete "Eine
|>    kleine Nachtmusik" (J.S.Bach) on platforms that have a SID chip (C64,
|>    C128 and the 600/700 series). It shows how easy it is to write
|>    programs that are portable between several platforms.
|>
|>  * Easy hardware access. Writing to the SID on a C64 looks like
|>
|>      	SID.v1.freq = 0x2345;
|>      	SID.v1.ctrl = 041;
|>
|>  * The linker is able to create label files that may be read by VICE (I'm
|>    not sure if label support works in the current VICE version, I've used
|>    a beta). This allows you to debug your programs with VICE using the
|>    builtin machine language monitor, having symbolic names for
|>    subroutines available!
|>
|>  * Special "fastcall" calling convention reduces the overhead when
|>    calling assembler functions.
|>
|>  * A new optimizer for improved code.
|>
|>
|>
|>Some more features that were already available in version 1.9 but have
|>been extended:
|>
|>  * Support for all integer data types (char, int and a 32 bit long, of
|>    course all in signed and unsigned form).
|>
|>  * Easy to use fullscreen debugger. Step through your code using a
|>    Turbo-Debugger like interface. See
|>
|>	http://www.von-bassewitz.de/uz/cc65/debug1.gif
|>
|>    for a screenshot.
|>
|>
|>
|>Roadmap:
|>
|>With the release of version 2.0, I will split development: I have some
|>ideas how to produce better code with the existing compiler. However, for
|>even greater improvement in the generated code, major parts of the
|>compiler need a rewrite. Because of this, and to get rid of the (somewhat
|>restrictive) compiler copyright, I will no longer put my ideas and work
|>into the current version, but start a complete new project.
|>
|>So expect a "performance release" some time in the future, and then
|>(hopefully) an all new version with additional features.
|>
|>
|>
|>More information:
|>
|>For your convenience, I've put all doc files also on the web server:
|>
|>    http://www.von-bassewitz.de/uz/cc65/doc/
|>
|>The cc65 main page
|>
|>    http://www.von-bassewitz.de/uz/cc65/
|>
|>will get updated to reflect the new version in the next few days.
|>
|>
|>
|>Help:
|>
|>Any help is appreciated! There are still areas, where the package is
|>incomplete, expecially when it comes to the libraries. If you think about
|>investing some time, here's a todo list:
|>
|>  * File routines for the CBM systems are still missing. The C library
|>    uses a layered approach, so there are only 4 routines needed to get
|>    most of the higher level stuff up and running. All that is needed are
|>    C compatible open/close/read/write functions.
|>
|>  * Support for the 80 column mode on the C128.
|>
|>  * Support for ACE or other systems (VIC20, PET, even an Apple or Atari
|>    version shouldn't be too difficult).
|>
|>  * A graphics library. The Plus/4 has a 320*200 mode that is very
|>    compatible the C64 and C128. With some clever programming it should be
|>    possible to write something that translates for all three platforms
|>    without changes.
|>
|>
|>
|>Available packages:
|>
|>As usual I will provide the complete sources and several binary packages.
|>This time, I've also prepared binary and source RPMs for RedHat and SuSE
|>Linux. So if you're using SuSE 5.x or RH 5.0/5.1, you will have the
|>fastest start by using the apropriate binary RPM.
|>
|>Binaries for DOS and OS/2 will follow or may already be available at the
|>time you read this. NOTE: I planned to link the DOS version with the
|>PMODE/W DOS extender instead of DOS4G/W, but when testing this
|>combination, I experienced problems under Windows NT, so I abandoned this
|>idea. The paragraph in the announce.txt file that accompanies the packages
|>is wrong in this respect!
|>
|>I've decided to compile the versions in order of operating system
|>importance, so the Windows version will be the last one available (take
|>that, Bill! :-)
|>
|>
|>
|>Download:
|>
|>For more information and links to the FTP server, see
|>
|>     	http://www.von-bassewitz.de/uz/cc65/
|>
|>For direct download, use
|>
|>        ftp://ftp.musoftware.de/pub/uz/cc65/
|>
|>
|>
|>Credits:
|>
|>I would like to thank Keith W. Gerdes (kwg@freebird.ghofn.org) for his
|>really great help with this release. Keith did a real project using the
|>compiler, tested the daily snapshots and supplied me almost daily with bug
|>reports, fixes and suggestions. With his help, I was able to remove many
|>bugs and improve the overall quality greatly. If the compiler and the
|>tools work for you, this is not at least due to his great work.
|>
|>While not being perfect, VICE was a great help when debugging parts of the
|>runtime libraries. The CBM610 support would not have been possible without
|>the work of the VICE team, especially Andre Fachat, who wrote the VICE
|>x610 emulator (currently in beta). Thanks!
|>
|>- --
|>Ullrich von Bassewitz                                  uz@musoftware.de
|>
|>
|>
|>- -- 
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|>
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---
William Smith
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