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255 lines
8.9 KiB
Plaintext
255 lines
8.9 KiB
Plaintext
xa-2.1.0
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* Rewrite of command line option handling to better look like
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usual (cc) options.
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* Removed ^M from all files.
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* Removed all external declarations to header files,
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and made all static functions static.
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| Now compiles almost without warning with 'gcc -W -Wall'.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 31 Oct, 1996
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xa-2.1.0a
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* Introduced concept of code relocation. Now each label being set to
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the program counter is a 'pointer', that gets an entry in a
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relocation table. Simple arithmetic operations are allowed. The
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relocation table is still just printed unsortedly.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 31 Oct, 1996
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xa-2.1.0b
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* Produces some preliminary kind of relocatable file, including header
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etc. Problems -- relocation table does as if file is assembled for
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address 0. Need
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a) a better way to set program counter.
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b) pseudo opcodes for distinguishing segments.
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c) a way to temporarily disable relocation.
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d) a way to include extra headers and options into the file.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 31 Oct, 1996
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* Assembler now produces a relocatable file format, as described in
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the file ``fileformat.txt''. Temporarily disabling relocation is with
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the ``*=value'' directive, while switching back to relocation mode
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goes with ``*='' (without value). New pseudo opcodes ``.text'',
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``.data'', ``.bss'', ``.zero'' switch between the segments.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 02 Nov, 1996
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xa-2.1.0e
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* There was a bug in the arithmetic routine that had set all pointer
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to the text segment, if something was added.
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* There also was a bug in the loader when actually using options.
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* A new pseudo opcode was added -- ``.fopt''.
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| Works like ``.byte'', but puts these bytes in a file option.
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| The length in the file option is automagically set. ``.fopt''
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| may appear anywhere in the file, but it should be at the
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| beginning | (might be mandatory in a later version).
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 06 Nov, 1996
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xa-2.1.0f
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* Added a command line switch ``-M'' to ignore colons in a comment
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after a semicolon.
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* Without it, a colon separates complete mnemonics, including
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the semicolon comment.
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| Well, actually this switch is a ``MASM'' compatibility switch, and
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will surely be expanded someday, when I get more info on MASM.
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* Now ``*'' and ``='' can be separated for the definition
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of the program counter and ``.byte'' is also accepted.
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This makes it more MASM compatible. ".end" is ignored.
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Still missing is ``.include''.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 11 Nov, 1996
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xa-2.1.0g
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* Started working on ``official'' o65 fileformat.
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If there are no undefined labels, and no relocated code
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is embedded in absolute code, the thing should work.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 21 Dec, 1996
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xa-2.1.1
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* ``.dsb'' now has an _optional_ parameter ``fillbyte''.
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* Undefined references are now put into the relocation table
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(i.e. handled correctly) if the ``-c'' option is given.
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* The file format conforms to o65 version 1 file format.
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* Embedding absolute in relocatable code and vice versa is buggy...
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 21 Dec, 1996
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xa-2.1.1a
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* Embedding absolute code in relocatable seems to work now.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 21 Dec, 1996
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xa-2.1.1e
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* The option to embed relocatable code in absolute code has been
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dropped. Therefore the command line options
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``-A'' (make it romable), ``-b?'' (set segment start addresses),
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and ``-G'' (omit exported globals from file) have been added.
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* Internally, the whole thing has been made dynamic; except for the
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preprocessor (and the storage between pass1 and pass2), everything
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uses dynamically allocated tables. m_alloc, which had been
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introduced long time ago because of the buggy malloc
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on the Atari ST is gone now!
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 22 Dec, 1996
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xa-2.1.1f
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* Added the ``-a'' and ``-A'' options to file65, so that it can now
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print the start addresses for following files in the ROM when making
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romable code.
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* Added shell (bash) script ``mkrom.sh'' that assembles a given list
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of files and builds a ROMable file. The first two bytes are single
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linked list pointers, and then comes the file.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 02 Jan, 1997
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xa-2.1.1g
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* Added the file ``reloc65'', to relocate o65 files without
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reassembling them.
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* Fixed quite some bugs in xa (segment numbering in the globals list
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and switched low/high byte relocation entry type in relocation
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table. Now conforms to documentation, i.e. fileformat.txt)
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 03 Jan, 1997
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xa-2.1.2
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* Added ``ld65'', a simple linker for o65 files.
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* Another bug in xa fixed now.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 04 Jan, 1997
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xa-2.1.3
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* Allows to use ``.data'' etc in absolute mode, too. No relocation
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entries are generated then. Segment start can be set with ``-b?''
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command line options, though. Also the data segment is discarded
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with this method! This allows to use the normal ``.data'' etc
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syntax even when assembling a ROM (which is done in absolute mode.)
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* Fixed a bug where ``.dsb'' in a data segment didn't fill with the
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right value
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 25 Mar, 1997
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xa-2.1.3e
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* Added preprocessor continuation lines, and .block and .bend
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pseudo-opcodes (They map to ``.('' and ``.)'' respectively.)
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 27 Jul, 1997
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xa-2.1.4
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* Do not leave output file around after an error -- this is
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better for ``make''.
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* Also it seems to have settled for a while, so I can release
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a new version.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 11 Sep, 1997
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xa-2.1.4c
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* Fixed a nasty bug that prevented correct relocation table
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entries when a ``label2=label1'' contruct was used and
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``label2'' was accessed.
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* Added ``-I'' option.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 30 Dec, 1997
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xa-2.1.4d
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* fixed align code. Now inserts NOP opcodes into text segment, and
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sets file mode appropriately.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 26 Jan, 1998
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xa-2.1.4e
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* Changed o65 fileformat and adopted it in xa.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 26 Jan, 1998
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xa-2.1.4g
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* Fix handling of !zeropageaddress, that was broken (did not result
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in absolute address, but gave error message.)
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* Add cross reference list to labels if switched on on command line.
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* Fix the filename when multiple files are given on the command line
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(used to give the first filename for all errors in second pass.)
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 25 Nov, 1998
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xa-2.1.4h
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* In file65 added support for undefined labels and globals,
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also for (some known) file options.
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* Fix a preprocessor bug.
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-- André Fachat <a.fachat@physik.tu-chemnitz.de> 12 Dec, 1998
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xa-2.2.0-p1-1
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* Update COPYING to the latest version (Y2K-fixed + new address to GNU)
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* Lots of fixes to the Makefiles
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* Cleaned up the structure of the TODO file
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* Added manual-pages for file65, ld65, printcbm, reloc65, uncpk, and xa
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* Commented out LIB-flags -lm, -lcurses and -ltermcap,
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since they are all unused
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* Added `--help' and `--version' to all binaries
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* Removed `-h', `-?' and `-v' options where applicable
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* Created a file containing the version-function; version.h
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* Moved common macros to a separate file; xad.h
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* Restructuring of printcbm to become more readable
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* Added ifndef/define/endif traps to all header-files
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* Fixed a few typos
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* Renamed romadr to romaddr
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* Renamed all functions matching *such* to *search*
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* Fixed all warnings
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* Cleaned up all header-files
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* Reformatted xa.log
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-- David Weinehall <tao@acc.umu.se> 20 Aug, 2002
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xa-2.3.0
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* Version number jump for all the unofficial xa's out there
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* Fixed addressing bugs for @, ! and completed 65816 merge
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Thanks to David for the report
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* Moderate legibility overhaul to xat.c (will continue on this)
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* More compiler warnings corrected
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Thanks to David for the report
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* man files completed
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* Documentation updated
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* Last line bug corrected (where last line not assembled if no newline)
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Thanks to silverdr for the report
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* ld65 is now ldo65 to avoid conflicts with cc65 package
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* Post-defined labels work better, or at least somewhat (no longer attempts
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to optimize in pass 2 and generate bad code). Can be forced with `
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Thanks to silverdr for the report
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* Makefile bugs multiplied
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* @ now mostly obligatory for 24-bit addressing
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-- Cameron Kaiser <ckaiser@floodgap.com> 2 Apr, 2006
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xa-??
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* Introduced switch to convert values in quotes to different character
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sets. Currently supported are ASCII (default) and PETSCII
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* Fixed some quote bugs
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-- André Fachat <afachat@gmx.de> 23 Dec, 2006
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