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CHANGELOG
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CHANGELOG
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-------------------------------------------------------------------------------------------------
1... WLA GB-Z80/Z80/6502/65C02/65CE02/6510/65816/6800/6801/6809/8008/8080/HUC6280/SPC-700 History
-------------------------------------------------------------------------------------------------
v9.12 (09-Jan-2021) [ALL] Added support for ADDR and FARADDR to .TABLE.
[ALL] Added .STRINGMAP and .STRINGMAPTABLE.
[ALL] Multiple include directories (via multiple -I)
are now supported.
[Z80] Fixed the broken (broke in v9.11) regioncode
in .SMSHEADER.
v9.11 (17-Jul-2020) [ALL] Stack calculator's string checker handled only
63 characters long strings.
[ALL] A directive with the first argument being
negative wasn't parsed properly.
[ALL] Added an alias for .INCLUDE (.INC).
[ALL] Added RETURNORG to .RAMSECTION.
[ALL] Using a .RAMSECTION without RETURNORG doesn't mess
up the .ORG any more.
[ALL] Macro names can now start with a '.'.
[ALL] Getting the ROM bank number using ':' can now be
used also with ROM addresses and their calculations.
[ALL] When using .MACROs, use '\.' to get the macro's name.
[ALL] SLOTs can now be given names.
[ALL] SLOTs can now be referenced by their name, ID
or address.
[ALL] .PRINT & .PRINTT can now print address labels.
[ALL] Simple additions and subtractions can be used with
"\@" in macros when creating/referencing a label.
[ALL] Plain "OFFSET = 10" is now also accepted as
a define. No .DEFINE/.DEF is required.
[ALL] .INCDIR, .INCBIN, .FOPEN, .INCLUDE, .OUTNAME,
.IFEXISTS and .BACKGROUND now also take strings
without quotation marks.
[ALL] Integrated https://github.com/mpaland/printf's
snprintf(), changed all sprintf() calls to snprintf().
[ALL] It's possible to skip bytes in .RAMSECTIONs using
"." as the label.
[ALL] Added support for FORCE, SEMIFREE and SEMISUBFREE
to .RAMSECTION.
[ALL] Added OFFSET to .SECTION and .RAMSECTION.
[ALL] The type of the argument for a .MACRO can now be
asked in an .IF using e.g., '\?1'.
[ALL] Added a flag "-s" to disable _sizeof_* definition
creation.
[ALL] .DSTRUCT can now create child labels (e.g.,
".DSTRUCT @Instance INSTANCEOF MyStruct VALUES").
[ALL] WLA assembles now "WLA9" library files and "WLAa"
object files.
[ALL] .ENDST should be case insensitive in all cases.
[ALL] .INCLUDE/.INC can now be used inside .MACROs.
[ALL] .INCLUDE/.INC can now be given the filename in
pieces, e.g. ".INC ROOTDIR, SUBDIR, "filename.s"".
[ALL] Added ONCE to .INCLUDE/.INC.
[ALL] Macro calls can now be made from the very beginning
of a new line (where labels are).
[ALL] Added NAMESPACE to .INCLUDE/.INC.
[ALL] Improved WLA's string.length parsing capabilities.
[ALL] Sections can avoid WLALINK's discard mechanism
with a keyword "KEEP" ('!' at the beginning of a
.SECTION's name works still also).
[ALL] Un-named labels (like "-", "+" and "__") don't need
to be defined at the very beginning of the line either.
[ALL] Removed some redundant definitions from .RAMSECTION
(.STRUCT) INSTANCEOF when the number of instances > 1.
[ALL] Added support for optional STARTFROM to .RAMSECTION
(.STRUCT) INSTANCEOF (starting index other than 1).
[Z80] Removed warnings for "JP (HL)", "JP (IX)" and
"JP (IY)".
[Z80] Added ROMSIZE to .SMSHEADER. Fixed automatic
ROMSIZE calculation.
[6CE] Added support for CSG65CE02.
[65C] Added support for W65C02S's "WAI" and "STP".
[658] Added support for WDC standard mnemonics via .WDC
and .NOWDC.
[658] Added support for .DLM (24-bit version of .DBM).
v9.10 (22-Dec-2019) [808] Added support for I8080.
[658] Fixed SNES ROM checksum calculation.
[658] Fixed 24-bit non-label symbols in NO$SNES symbol
file generator.
[Z80] Added aliases for ADC, ADD, AND, CP, OR, SBC,
SUB and XOR.
[Z80] Added aliases "LD PC,HL", "LD PC,IX",
"LD PC,IY", "JP HL", "JP IX" and "JP IY".
[Z80] WLA will now issue a warning if "JP (HL)",
"JP (IX)" or "JP (IY)" are used as they are
semantically wrong.
[Z80] Added register aliases HX (IXH), LX (IXL),
HY (IYH) and LY (IYL).
[GB ] Added aliases for ADC, ADD, AND, CP, OR, SBC,
SUB and XOR.
[GB ] Added alias "JP (HL)", but WLA will also issue a
warning if it's used as it's semantically wrong.
[ALL] Unary XOR (e.g., "~$FF") is now calculated as NOT.
[ALL] Added support for 24-bit and 32-bit XORs in
calculations.
[ALL] RST can now be used with a label/pending calculation.
[ALL] ".DEFINE INDEX \@" inside a macro works now.
[ALL] Added a fflush() to print_error() - now all error
messages should be printed on screen no matter what.
[ALL] .BLOCK name can now contain spaces.
[ALL] WLA assembles now "WLA6" library files and "WLAW"
object files.
v9.9 (15-Aug-2019) [ALL] Added unions: .UNION (and .NEXTU and .ENDU).
[ALL] Added a new syntax to .DSTRUCT (old works, too).
[ALL] Changed the way ".ENUM xyz DESC" works.
[ALL] .ROW and .DATA should now work better with 16-bit
and 24-bit values.
[ALL] Defines with negative values are now parsed better.
[ALL] .BLOCK (and .ENDB) prints the block size once again.
[ALL] Added support for C++ style comments (//).
[ALL] WLA assembles now "WLA4" library files and "WLAV"
object files.
[ALL] References to a pending computation from inside a
define from inside a pending computation should work now.
[ALL] WLA can now be given string definitions from the
command line.
[680] Added support for MC6800.
[680] Added support for MC6801.
[680] Added support for MC6809.
[800] Added support for I8008.
[658] 24-bit addresses of .RAMSECTION labels should work
now when using .LOROM / .HIROM. / .EXHIROM.
[GB ] Fixed Pocket Camera cartridge type, added support
for 64Mbit ROM and 512kbit RAM types.
v9.8 (21-Jun-2019) [ALL] Deprecated and removed section's size giving inside
section's name string.
[ALL] Getting bank number with :CADDR works again.
[ALL] WLA assembles now "WLA3" library files and "WLAU"
object files.
[ALL] .REPEATs, .DBs, .DWs, .DLs and macro calls don't
mess up listfiles any more.
[ALL] Added support for prioritizing sections when
placing them to the output ROM/PRG.
[ALL] The _sizeof_[label]s for labels that are followed by
a dotted .DSB etc. are now calculated correctly.
[ALL] The maximum allowed number of digits for floats is
now 24 instead of the old 8.
[ALL] _sizeof_[label]s are now calculated correctly
for .STRUCTs in .RAMSECTIONs.
[ALL] WLA's -x flag now creates SECTIONSTART_[section name]
and SECTIONEND_[section name] labels for each section.
[ALL] The assembler and the linker now display examples
about how to run them when run with incorrect parameters.
[ALL] .RAMSECTIONs can now be used inside libraries
but BANK and SLOT must be defined for the RAMSECTIONs
under [ramsections] in WLALINK's linkfile.
[ALL] WLA (WLALINK did this already) assumes that there
are 256 RAM banks for each SLOT. The number of ROM
banks doesn't affect the number of RAM banks any more.
[ALL] Added APPENDTO to .RAMSECTIONs.
[ALL] Added .TABLE, .ROW and .DATA - an alternative
to .DB, .DW and .DL.
[ALL] When allocating a new unknown reference, we'll set
its base to 0 instead of not initializing base at all.
[ALL] When inserting padding to a section (for example
for an unsolved 8-bit reference) we now set the padding
to be $CD instead of letting it be uninitialized.
[ALL] References from bank header sections are now found
when we discard unreferenced sections.
[ALL] Fix buffer overflow for \xXX strings.
[ALL] Fixed a possible crash bug when printing opcodes
in DEBUG executable.
[ALL] Allow .BACKGROUND file to be smaller than the
output ROM.
[ALL] Fixed a couple possible buffer overflows.
[ALL] Fixed CRC calculating on some 64-bit platforms.
[ALL] Macros rounded all floating point arguments to
integers - not any more.
[ALL] Added support for "string".length.
[ALL] The documentation is now ReadTheDocs.org compatible.
[ALL] Running the assembler/linker without arguments shows
now also the version's date.
[ALL] Added -A to WLALINK - Add address-to-line mapping
data to WLA symbol file.
[ALL] WLA and WLALINK give now more information about the
cause when a memory overwrite/overflow occurs.
[ALL] Added .ADDR (alias of .DW).
[ALL] Updated the dotted to-be-skipped directives list
in .ENUM and .RAMSECTION to contain missing items.
[ALL] .DEFINE now supports keyword EXPORT (auto export).
[ALL] Added .PRINT - a combination and more usable version
of .PRINTT and .PRINTV.
[ALL] .PRINTV's HEX/DEC are optional. Default is DEC.
[ALL] Added .ENUMID - creates definitions with an auto-
incrementing value. Can autoexport as well.
[GB ] Added support for .VERSION (Mask ROM version number).
[GB ] Fixed the handling of RAMSIZE inside of .GBHEADER.
[GB ] New licensee code is set to $0000 if old licensee
code is used.
[GB ] Added VERSION ($014C) to .GBHEADER.
[GB ] Added the following mnemonic aliases:
- LDH A,(C) --> LD A,($FF00+C)
- LDH (C),A --> LD ($FF00+C),A
[658] Added .DSL.
[658] Added .FARADDR (alias of .DL).
[658] Added support for DL/LONG/DSL to .STRUCT and
.RAMSECTION.
[658] Added support for .EXHIROM.
[658] MVN and MVP had source and destination in wrong
order in the output binary.
[SPC] Fixed a typo, RET1 is now RETI.
[SPC] Fixed a typo, "AND1 mem.bit, C" ($CA) is now
"MOV1 mem.bit, C"
[SPC] Fixed AND1, EOR1, MOV1, NOT1 and OR1 (used to take
two 8-bit arguments, now 13-bit address and 3-bit value.
[SPC] Fixed many 8-bit PC relative label references to be
direct references.
[Z80] Added shadow register aliases of opcodes that use
registers A, F, BC, DE and HL. For example, "AND A'"
assembles to the same (0xA7) as "AND A". The aliases
are meant for programmers who want to explicitly show
when they are using the shadow registers.
v9.7 (17-Apr-2018) [ALL] We now use CMake instead of plain Makefiles.
[ALL] Added INSTANCEOF support to .STRUCT.
[ALL] Removed DEBUG opcode from GB-Z80.
[ALL] WLALINK now reserves the bytes the checksummer uses
if WLA is used to calculate a checksum.
[ALL] Added ALIGN to .RAMSECTIONs.
[ALL] .RAMSECTIONs now use the BANK when placing sections.
[ALL] .BLOCK needs to be now terminated with .ENDB.
[ALL] Fixed some typos in error messages.
[ALL] Added a directory called "bug_exhibition" for
bug reports.
[ALL] When parsing "\1.w" the parser now associates the
".w" part with the "\1" part.
[ALL] Recursive macro calls with recursive argument
references should work now.
[ALL] .ASC can now map also byte data.
[ALL] Rewrote the macro argument expander.
[ALL] Fixed .INCDIR/.INCBIN cache bug.
[ALL] Added support for -I [include directory].
[ALL] Added ASCII commands to strings.
[ALL] Renamed .SECTION IDENTIFIER to NAMESPACE.
[ALL] Added support for local labels with @ prefix.
[ALL] "historical" contains now old. depcerated files.
[ALL] Updated WLA/WLALINK argument parser.
[ALL] Sphnix is now used to generate the documents.
[ALL] Various bug, crash and error message fixes.
[ALL] Labels can now be 255 characters long instead of 63.
[ALL] Various fixes to negative range for 8-bit two's
complement.
[ALL] Power operator supports fractional values.
[ALL] Expressions are allowed to be outside 16bit range.
[ALL] Added support for _sizeof_[label] automatic
definitions to WLALINK, these measure the distance
between two consecutive labels in bytes.
[ALL] Unreferenced section discarding now handles also
RAM sections.
[ALL] It's possible to append to a section using APPENDTO.
[ALL] .IFDEFs can be used in .ENUMs and .RAMSECTIONs.
[ALL] .BASE is now universal, not just 65816 specific.
[ALL] Speeded up label handling in WLALINK.
[Z80] Added .SMSHEADER.
[Z80] Added support for "SUB IXH" and "SUB IXL", and
kept the old aliases "SUB A, IXH" and "SUB A, IXL".
[Z80] Fixed .SDSCTAG parsing.
[658] Added support for .DL.
[GB ] Added support for .COUNTRYCODE.
[GB ] Added support for .GBHEADER.
[GB ] NO$GMB symbol files are now BGB (emulator)
compatible.
[GB ] Added support for .NINTENDOLOGO.
[GB ] Added DESTINATIONCODE as an alias for
COUNTRYCODE.
[GB ] Added support for .ROMGBCONLY.
v9.6 (27-Jan-2015) [ALL] Fixed usage info (was missing -i).
[ALL] Moved the project to GitHub:
https://github.com/vhelin/wla-dx
[ALL] Renamed local variables in a lot of functions to
make the code easier to understand.
[ALL] Moved LDFLAGS to end of GCC invocation to fix builds.
[ALL] Changed "-pedantic" to "-pedantic-errors -Wextras"
in WLA's and WLALINK's makefiles.
[ALL] Add ability to compile using Microsoft CL, LINK,
and NMAKE / Added makefile generator m4 scripts.
[ALL] Fixed .ROMBANKMAP and .BANKS allocation to prevent
heap corruption when .BANKS allocated exceeds .BANKSTOTAL
[ALL] Added support for more than 255 sections per file.
[ALL] WLA assembles now "WLAW" library files and "WLAL"
object files.
[ALL] Added optional running index definition to
.REPEAT / .REPT.
[ALL] The calculation parser in WLA DX is now smarter -
it knows more places when to stop parsing.
[ALL] Feeding address labels via named ARGS to a .MACRO
failed before, because they were interpreted as
strings, not address labels.
[ALL] Changed all references to bash to sh in scripts.
[ALL] Added support for SEMISUBFREE sections.
[Z80] .SDSCTAG & .SMSTAG & .COMPUTESMSCHECKSUM now work
with 8KB & 16KB ROMs.
[Z80] .SDSCTAG's minor version number is now parsed
correctly.
v9.5 (14-Aug-2008) [ALL] The unix.sh now takes the number of jobs make
commands should create, speeding up the compiling
on CPUs with more than one core.
[ALL] .DSTRUCTs can now be issued without passing values
to all struct members (will be init to $00 or
.EMPTYFILL).
v9.4 (02-Mar-2008) [ALL] Enhanced the documentation.
[ALL] .DEFINE without a definition value, and a .DEFINE
that would have an address label as the definition value
would make WLA count the linenumbers afterwards wrong.
[ALL] Issuing a loose .ENDM will give an error.
[ALL] All macros must have at least a name.
[ALL] Added .DBM (define bytes through a filter macro) and
.DWM (define words through a filter macro).
[ALL] Added FILTER to .INCBIN (circulate all the data
through a filter macro).
[ALL] Fixed overflow checks in .INCBIN's SKIP and READ.
[ALL] Integrated Mersenne Twister by Takuji Nishimura and
Makoto Matsumoto (.SEED, .DBRND and .DWRND use that now
instead of the stdlib's srand() and rand()).
[ALL] It's possible to use '\!' to get the name of the
currently parsed source file (works like '\@').
[Z80] If a pending computation follows "JR" or "DJNZ",
all the label references inside are relative.
[GB ] If a pending computation follows "JR",
all the label references inside are relative.
[65?] If a pending computation follows "BCC", "BCS", "BEQ",
"BMI", "BNE", "BPL", "BVC", "BVS", all the label
references inside are relative.
[65C] If a pending computation follows "BCC", "BCS", "BEQ",
"BMI", "BNE", "BPL", "BVC", "BVS", "BRA", "BBR*", "BBS*",
all the label references inside are relative.
[658] If a pending computation follows "BCC", "BCS", "BEQ",
"BMI", "BNE", "BPL", "BVC", "BVS", "BRA", "BRL", "PER",
all the label references inside are relative.
[HuC] If a pending computation follows "BCC", "BCS", "BEQ",
"BMI", "BNE", "BPL", "BVC", "BVS", "BSR", "BBR*", "BBS*",
"BRA", all the label references inside are relative.
[SPC] If a pending computation follows "BCC", "BCS", "BEQ",
"BMI", "BNE", "BPL", "BVC", "BVS", "BRA", "BBS", "BBC",
"CBNE *", "DBNZ *", all the label references inside
are relative.
v9.3 (09-Sep-2006) [ALL] Updated makefiles (by Tobias Pflug).
[ALL] Added 'memorymaps' directory, where you can find
default .MEMORYMAPs for various target machines.
[ALL] Enhanced .MEMORYMAP defining.
[ALL] Added .ASCIITABLE (.ASCTABLE) and .ASC.
[ALL] .DEFINE works also without a definition value
(defaults to 0).
[ALL] Added .BLOCK and .ENDB.
[ALL] Added .SYM (and alias .SYMBOL).
[ALL] Added .BR (and alias .BREAKPOINT).
[ALL] Added .SHIFT.
[ALL] Relaxed the MACRO argument counting. Any MACRO can now
be called with varying number of arguments.
[ALL] .DEFINE can now handle definitions where lone address
labels appear (e.g., only "MAIN+0" used to work).
[ALL] Added AmigaOS4 makefiles (by Ventzislav Tzvetkov).
[ALL] Some code cleanups.
[ALL] Fixed the WIN32 makefiles (by Daniël Hörchner).
[650] Fixed class 4 opcodes to work again.
v9.2 (22-Aug-2004) [ALL] WLA can generate makefile rules (flag 'M')
describing the dependencies of the main source file.
[ALL] Added flag 'q' to suppress .PRINT* -directives.
[ALL] Hexadecimal values can now be given using
the suffix 'h' (e.g., 10h and 0abh).
[ALL] Fixed the preprocessor to handle cases like "-: jr -".
[ALL] Sections did affect the .ORG outside of them,
in some special cases.
[ALL] Added "RETURNORG" to .SECTION to (hopefully) fix
this thing once and for all.
v9.1 (26-Jun-2004) [ALL] Sections do not affect the .ORG outside of them.
[ALL] Code cleanups.
[ALL] .IFs can compare string definitions.
[ALL] WLA assembles now "WLAV" library files and "WLAK"
object files.
[ALL] Added preliminary support for list files.
[ALL] Added aliases .DEF (.DEFINE), .REDEF (.REDEFINE),
.UNDEF (.UNDEFINE), .WORD (.DW), .BYT (.DB), .BYTE (.DB),
.ASC (.DB), .EQU (.DEFINE) and .REPEAT (.REPT).
[ALL] Added .FOPEN, .FCLOSE, .FREAD and .FSIZE.
[ALL] Increased the case insensitivity in many directives.
[ALL] It's possible to use "=" in .DEFINE and .REDEFINE.
[ALL] The initial size of a section can now be given with
the keyword "SIZE" (take a look at the README).
[ALL] .FAIL exits nicer.
[ALL] .ENUM can do descending enumeration.
[ALL] Added operators '>' (get the high byte) and '<'
(get the low byte).
[ALL] FREE, SEMIFREE and SUPERFREE sections can be aligned.
[ALL] Added "FSIZE" to .INCBIN.
[ALL] .STRUCT creates more definitions.
[ALL] Structure members can now be used in computations.
[ALL] Relaxed the handling of '.' in stack calculator. Now
for example "AND1 C,1+2+3.3-2-1" works (SPC-700).
[Z80] Fixed opcodes in group 7 to work again. A new feature
in 9.0 broke these.
[658] .SNESHEADER, .SNESNATIVEVECTOR and .SNESEMUVECTOR
don't work with libraries any more.
[658] .SNESNATIVEVECTOR and .SNESEMUVECTOR don't change
.ORG anymore.
[658] All the vectors of .SNESNATIVEVECTOR and
.SNESEMUVECTOR are optional and default to $0000.
[658] Added .SMC, .INDEX and .ACCU.
[658] Operand hinting overrides SEP/REP/.INDEX/.ACCU when
dealing with immediate value opcodes (now when did this
break?), and .8BIT/.16BIT/.24BIT affect only the rest of
the opcodes. WARNING! Check your code as this fix may
break it.
[658] "LDY.W #?" works now.
[658] Added 24bit operand hint .l.
[65x] Added more operand size checks to opcode parsers.
v9.0 (23-Nov-2003) [ALL] The number of arguments macros take is not limited
anymore.
[ALL] It is possible to give names to the macro arguments.
[ALL] A loose .ENDR gives now a proper error message.
[ALL] Trying to define reserved definition labels
(like "NARGS") will give an error.
[ALL] Stack calculator can now return floating point
values (.D*(SIN/COS) do not round the arguments
any more).
[ALL] WLA defaults to BANK 0 SLOT 0 ORG 0 at startup.
[ALL] Added .SLOT.
[ALL] .INCDIR, .INCLUDE and .INCBIN try to convert the
directory paths to the host operating system's syntax.
[ALL] WLA assembles now "WLAT" library files and "WLAH"
object files.
[ALL] It is possible to use floating point numbers in
all computations.
[ALL] It is possible to export floating point definitions.
[ALL] All computation values passed to WLALINK are now
in double format.
[ALL] Fixed a possible error when dealing with multivalue
definitions.
[ALL] .REDEFINE handles all the same definition types as
.DEFINE.
[ALL] Many opcodes, which take signed arguments, do not
let the user to specify too large values (e.g., -1 cannot
be given as $FF any more).
[658] Fixed opcodes "MVN" and "MVP".
[GB ] It is possible to give "LD HL,(SP-n)" instead of
only "LD HL,(SP+n)".
[Z80] The minor version number in SDSCTAG should now work
properly.
[Z80] It is possible to give e.g., "LD A,(IX-1)" (only
"LD A,(IX+-1)" used to work).
v8.9 (12-Jun-2003) [ALL] Added .SEED, .DBRND and .DWRND.
[ALL] Added lowercase versions of run-time definitions
WLA_TIME, WLA_FILENAME, WLA_VERSION and NARGS.
[ALL] Added support for lowercase versions of the
following symbols and directives: DEFAULTSLOT,
SLOTSIZE, SLOT, .ENDME, .ENDRO, BANKSTOTAL, BANKS,
BANKSIZE, .ASM and .ENDASM.
[ALL] WLA assembles now "WLAS" library files and "WLAG"
object files.
[ALL] Used Valgrind to locate memory allocated from the
heap that WLA didn't free at exit (good for Amiga users).
[ALL] Fixed few error messages to show the address in
hexadecimal format instead of decimal.
[ALL] Added support for computation definitions.
[ALL] Added .DS (an alias for .DSB).
[ALL] Added .DSTRUCT.
[ALL] Added .UNBACKGROUND.
[ALL] Added SUPERFREE sections.
[ALL] Macros can now pass their arguments directly to
other macros, and passing a computation to a macro
doesn't mess up things any more.
[ALL] The macros can now take only at max. 16 arguments.
[ALL] WLA doesn't crash when it tries to find the correct
mnemonic and has to free the very first computation stack.
[658] Added .COMPUTESNESCHECKSUM.
[658] Renamed "TBR" instructions to "TRB".
[658] $94 was defined as "STY x,Y". Fixed to "STY x,X".
[658] Added (by Zachary Keene) .SNESHEADER, .ENDSNES,
.SNESNATIVEVECTOR, .ENDNATIVEVECTOR, .SNESEMUVECTOR and
.ENDEMUVECTOR.
[658] .BASE can now be given before the first .ORG.
[658] WLA now automatically sets the 65816 bit in
object files. Previously only SNES directives would
enable the WLA to do this.
[658] .HIROM and .LOROM now override the user's ROM
bank map when computing the 24bit addresses and bank
references.
[GB ] Renamed .COMPUTECHECKSUM to .COMPUTEGBCHECKSUM
(.COMPUTECHECKSUM is still recognized, though).
[GB ] Renamed .COMPUTECOMPLEMENTCHECK to
.COMPUTEGBCOMPLEMENTCHECK (.COMPUTECOMPLEMENTCHECK is
still recognized, though).
[HuC] Fixed the "TST" instruction (swapped $93 and $A3).
v8.8 (25-Feb-2003) [65c] "DEA" assembled to $3a, $00. Removed the extra $00.
[65c] Added "PHP" ($08) and "PLP" ($28).
[65c] Badly placed "RTS" and "RTI" broke the opcode table
so sorted the opcodes better this time.
[HuC] "DEA" assembled to $3a, $00. Removed the extra $00.
[HuC] Added "PHP" ($08) and "PLP" ($28).
[HuC] Badly placed "RTS" and "RTI" broke the opcode table
so sorted the opcodes better this time.
[SPC] Fixed the byte ordering (to test first, branch label
next) in "CBNE" ($2E and $DE) and "DBNZ" ($6E).
[SPC] "ASL !?" was defined as $CC, fixed to $0C.
[ALL] Decimal number parser didn't work with all cases
when a dot was encountered.
[ALL] Added support for longer filenames (> 63 characters).
[ALL] A correctly, but partially written mnemonic would
cause WLA to break the compiling, but without giving
an error message.
[ALL] Fixed a rare bug which caused WLA and WLALINK to
disagree on section id numbers.
[ALL] WLA assembles now "WLAR" library files and "WLAE"
object files.
v8.7 (28-Nov-2002) [ALL] Added DSB and DSW, and EXPORT to .ENUM.
[ALL] Added DSB and DSW to .RAMSECTION.
[ALL] "dec" and "hex" work now in .PRINTV (only the
uppercase "DEC" and "HEX" used to work).
[ALL] Value parsers accept now big (32bit) values.
Previously only 16bit (and 24bit for 65816) values
were accepted.
[ALL] ".ende" works now also (only ".ENDE" used to work).
[ALL] Added .STRUCT.
[ALL] Macro and repeat stacks are now dynamic.
[Z80] The linenumber in memory references generated by
.SDSCTAG was incorrect.
[65x] Fixed a case where operand hinting was ignored.
v8.6 (02-May-2002) [65x] Forgot to add .b/.w operand hint support to
pure hexadecimal and binary operands.
[65x] Fixed a lot of 8bit relative operands to be absolute.
[65x] Added support for 65C02 systems (wla-65c02).
[HuC] Added support for HuC6280 systems (wla-huc6280).
[Z80] WLALINK would discard (with flag d) all SDSCTAG-
sections generated with .SDSCTAG.
[Z80] Added few missing Z80 opcodes (eg. "JP (IY)").
[Z80] Fixed a silly bug in .SDSCTAG.
[SPC] Renamed "wla-spc" to "wla-spc700".
v8.5 (19-Apr-2002) [ALL] All unidentified free strings were treated as labels.
Fixed so that labels can only start at the beginning of
a new line.
[ALL] Added support for yet another un-named label (__).
[ALL] ".endm" works now also (only ".ENDM" used to work).
[ALL] Fixed the preprocessor to work better.
[ALL] Fixed .DxSIN & .DxCOS to finally work properly.
[ALL] 'x' switch generates now also WLA_VERSION.
[ALL] Fixed the preprocessor to handle few special cases
related to the use of '+'.
[65x] WLA can now be also hinted about the operand size
with .b and .w in the operand (eg. "and 10.w").
v8.4 (24-Dec-2001) [ALL] Token parser could fail while skipping comma
separated tokens inside .IF.
[ALL] Updated the documentation (few crucial things were
missing).
[ALL] Fixed .RAMSECTION to work (was missing since its
introduction).
[ALL] Internal pass 1 failed to see duplicate labels.
[ALL] Address labels don't need to end to ':' any more.
[ALL] Added support for un-named labels
(-, --, +, ++, ...).
[ALL] Stack calculator can now return strings (and will
if the result consists of only one string).
v8.3 (21-Oct-2001) [ALL] Added .INPUT.
[ALL] It's now possible to set the bank/slot size to
full 65536 bytes.
[ALL] Removed switch u.
[ALL] Redefining a value definition to be a string
definition would crash WLA.
[SPC] Added support for SPC-700 systems (wla-spc).
[658] Class 4 mnemonic ("ADC #x", "LDA #x", etc) decoder
handles now labels correctly in 8bit operand mode.
[Z80] "SUB (IX+n)" was mistyped as "SUB A, (IX+n)".
[Z80] Updated .SDSCTAG to support the version 1.01
of SDSC ROM Tag Specification.
v8.2 (19-Jul-2001) [ALL] Added .OUTNAME.
[ALL] Added .ORGA.
[ALL] Added .RAMSECTION for variables.
[ALL] It's now possible to create string and value
definitions on the command line (-Ddefinition[=value]).
[ALL] Code cleanups.
[ALL] Optimized internal data format.
[ALL] Optimized stack calculator routines.
[ALL] Definition labels inside .ENUM can now end to ':'.
[ALL] Fixed parser holes in .ENUM.
[ALL] Added XOR-operator (~) support to computations.
[658] Fixed "BRL" to work (the fix was partially missing in
v8.1 due to a uncareful source tree merge).
[658] Fixed "PER" to work.
v8.1 (03-Jul-2001) [ALL] EXPORT'ing more than once the same definition
gives an warning instead of an error.
[ALL] It's now possible to export more than one
definition with .EXPORT.
[ALL] It's now possible to undefine more than one
definition with .UNDEF.
[ALL] Some directive arguments could only be accepted
if they were in uppercase (eg. FORCE, FREE, SWAP, ...).
[ALL] Unix users can now define the WLA DX compiling
flags by defining CFLAGS before executing make.
[ALL] Parse code cleanups.
[ALL] Macro argument place holders (eg. \1 and \@) can
now be used inside labels and strings.
[ALL] WLA doesn't even try to solve any of the label
references (even trivial), all that is now left
for WLALINK.
[65x] Now there are .B, .W and .L versions of all
the mnemonics that take immediate values.
[65x] BRK & COP -mnemonics now have a default signature
byte $00.
[65x] Added "BRK x" (and "COP x" to WLA-65816).
[658] Fixed BRL to work.
[658] Fixed .NAME to write the name data to $FFC0-> in
HiROM- and to $7FC0-> in LoROM-mode.
[658] All the SNES ROM information bytes WLA supports
obey now .HIROM and .LOROM.
[658] Fixed SNES directives.
[650] Fixed "STY x,Y" to "STY x,X".
[Z80] Fixed few cases where IX&IY were interpreted
as labels.
v8.0 (19-May-2001) [ALL] Simplified WLA engine a lot by leaving away ROM and
program file compiling, and the old, crippled error
reporting engine.
[ALL] Removed .FOOTER and .HEADER (no longer required).
[ALL] WLA assembles now "WLAQ" library files and "WLAD"
object files (merged old object file formats).
[ALL] Removed few redundant error messages.
[ALL] Removed label name compactor.
[ALL] Optimized internal pass 1.
[ALL] Optimized object and library file writing.
[ALL] Optimized Z80, 6502, 6510 and 65816 opcode tables
(smaller WLA executables).
[ALL] Empty sections get discarded (and labels inside
them as well).
[ALL] ".IF A==B" works now as well (only ".IF A == B"
used to work).
[ALL] WLA doesn't strip the size from the section name
if the size is explicitly defined.
v7.8 (13-May-2001) [ALL] Optimized preprocessor a little, output is now
even more compact than before.
[Z80] Reordered LD-mnemonics in the mnemonics table a
little so all common mnemonics get decoded faster.
[Z80] Added "RST $00" (plain "RST" is still there, too).
v7.7 (12-May-2001) [Z80] Fixed "LD ?,IX" and "LD ?,IY" to "LD (?),IX" and
"LD (?),IY".
v7.6 (10-May-2001) [ALL] Not all mnemonics were case insensitive, a bug
introduced in the previous release.
v7.5 (07-May-2001) [ALL] Optimized mnemonic decoders a little.
[651] Fixed all NOP -mnemonics to work.
v7.4 (02-May-2001) [ALL] Added many new error messages.
[ALL] Result placing in stack calculator could fail if the
result's position wasn't inside a section.
[ALL] Modulo/division by zero doesn't crash WLA anymore.
[ALL] Now also in ROM compiling mode it's possible to refer
to future value definitions with .DB and .DW.
[ALL] Win32 port uses now PID in the temp file name.
[ALL] Fixed few places which could generate incorrect
destination memory overwrite warnings.
[ALL] Program file assembler dislayed a wrong binary size
in verbose mode.
[ALL] Enhanced .INCBIN.
[Z80] Loose strings given to .SDSCTAG don't cause
overwrite warnings anymore.
[658] Fixed "STZ ?, X" to work (misclassified earlier).
[65x] Added new fixed value size mnemonics to the mnemonics
tables to speed up the coding and parsing (eg.
"CMP.W ?"). Only those mnemonics with multiple argument
size choices are affected.
[650] Fixed "DEC ?,X" and "DEC ?" to work (misclassified
earlier).
[658] Added .LOROM, .HIROM and .BASE to help generating
SNES 24bit addresses.
[658] Added .SLOWROM and .FASTROM for ROM memory speed
identification.
[658] .NAME works also in WLA-65816 (SNES ROM name string
starting at $FFC0).
v7.3 (12-Apr-2001) [ALL] Fixed possible problems with bank overflows
(bank size wasn't always up to date).
[ALL] Preprocessor modifications introduced a bug
which trashed included source files.
[ALL] Optimized preprocessor even more.
[ALL] .DEFINE and .REDEFINE missed linecounter
checks due to the new multibyte definitions.
[Z80] Added .SDSCTAG (SDSC ROM tag).
[Z80] Added .SMSTAG (SMS/GG ROM tag).
v7.2 (08-Apr-2001) [ALL] Rewrote the preprocessor code, now it produces
much more compact output and is generally faster.
[ALL] Files can now begin with "/*".
[ALL] Now there can be comments after one word
mnemonics (broken before).
[ALL] .REPT takes now also zero as argument.
[ALL] Multibyte definitions are now possible.
[ALL] WLA_TIME ended to a linefeed, thanks to
ctime(), but not anymore.
[Z80] Fixed "LD BC,(?)" and "LD BC,?" recognition to
work better.
v7.1 (13-Mar-2001) [ALL] Added 'x' switch to generate extra assembly time
definitions (WLA_TIME, WLA_FILENAME).
[ALL] Characters can now be used in computations (eg.
LD A, 'F'-10).
[ALL] WLA could not get the correct section size
from a section name if more than one underline
was used.
[ALL] .INCLUDE and .INCBIN used wrong name in error
messages if the file was found on the current working
directory and not in the .INCDIR directory.
[ALL] Unix makefiles default now to gcc (if no CC/LD is
defined).
[ALL] .REPT can now be used inside macros.
[ALL] .REPTs can be used inside .REPTs.
[ALL] Macro arguments in computations work now better.
[ALL] Error engine's line counting works now inside
macros.
[ALL] File doesn't need to end to a line feed anymore.
[ALL] Added '>=' and '<=' to .IF.
[ALL] Added .IFGREQ and .IFLEEQ.
[ALL] .IF -directives should now work with computations.
[Z80] WLA gives only a warning if .COMPUTESMSCHECKSUM
is used on a ROM file smaller than 32KB.
[650] Fixed "INC ?" to work (wrong type previously).
v7.0 (03-Mar-2001) [ALL] WLA couldn't handle files starting with ";".
[ALL] Enhanced error messages.
[ALL] Compiling WLA DX under Unix is now done with egcs
(if no CC is defined).
[ALL] Added error messages to .ENUM and made it to accept
lowercase symbols. Also added fake symbols.
[ALL] Fixed a serious bug with 8bit pending calculations.
[ALL] Enhanced makefiles (behave now better under Unix).
[ALL] The code works now regardless of the endian type.
[ALL] .INCLUDE and .INCBIN try to find the file in the
current working directory if it's not in the .INCDIR
directory.
[ALL] Definitions take also strings as values.
[ALL] Code cleanups.
[ALL] Exporting an undefined definition doesn't break
the compiling loop (only a warning is issued).
[ALL] Quotation marks are accepted inside strings.
[ALL] Temporary files are placed into the current working
directory and under Unix the names incorporate PID.
[ALL] .DBSIN and the rest were broken due to a typo.
[ALL] Optimized string parsers.
[ALL] Added .IFEXISTS.
[ALL] Macro argument place holders (eg. "\1") and \@ can
now be used in computations (eg. "LD A, \1+\2+\@").
[ALL] Macros can be used inside macros (but macro arguments
cannot be directly forwarded to the next level).
[ALL] "/*/" isn't interpreted as an empty comment anymore.
[ALL] Section size can be defined insize the section name
string.
[Z80] Added TI-86 system include file to the archive.
[Z80] Added .COMPUTESMSCHECKSUM for computing the
Sega Master System ROM checksum.
[Z80] Fixed "LD (IX+x), x" to work.
[!GB] Few mnemonics caused stack calculator to create
garbage.
[GB ] Complement check computing could fail with some
really bad luck.
v6.9 (23-Oct-2000) [ALL] Enhanced .MACRO error messages.
[ALL] Enhanced .DW error recognition.
[ALL] .SECTION handling might broke with some bad luck.
[ALL] \@ can now be used inside strings inside a .MACRO.
[65x] Added support for "ASL", "LSR", "ROL" and "ROR".
[650] Fixed "STA ?" to $8D (was $80).
[650] Fixed "EOR ?" to $4D (was $40).
[650] Fixed "RTI" to $40 (was $4D).
[650] Fixed "STA ?,X" to $9D (was $90).
[650] Fixed "ORA ?,X" to $1D (was $10).
[650] Fixed "EOR ?,X" to $5D (was $50).
[650] Fixed "ADC ?" to $6D (was $60).
[650] Fixed "ADC ?,X" to $7D (was $70).
v6.8 (09-Oct-2000) [Z80] Fixed "LD C, RL*" -mnemonics.
[651] Added support for 6510 systems (wla-6510).
[ALL] Enhanced documentation.
[ALL] Library file compiling was broken in the previous
release.
v6.7 (07-Oct-2000) [ALL] Added NARGS to .MACRO.
[ALL] Enhanced documentation.
[ALL] Enhanced error messages.
[ALL] Optimized the first internal pass.
[ALL] Macros couldn't have .PRINTT directives with
linefeeds.
[65x] Added .8BIT and .16BIT.
[658] Added support for 65816 systems (wla-65816).
[658] Added .24BIT.
[Z80] Fixed RST-mnemonics.
[GB ] Moved lib to examples/gb.
v6.6 (25-Sep-2000) [ALL] .EMPTYFILL didn't function properly when .ROMBANKMAP
was used instead of .ROMBANKS.
[ALL] Fixed few byte size checks.
[650] Added support for 6502 systems (wla-6502).
[!GB] Header and footer sizes are now shown in the
verbose mode's result information.
v6.5 (20-Sep-2000) [ALL] Optimized number decoding.
[ALL] Enhanced documentation.
[ALL] Binary file compiling is now called program file
compiling (still doesn't suit it 100%).
[ALL] Macros couldn't be used before setting an ORG.
[Z80] Program file compiling accepts now BANKHEADER
section for bank 0.
[Z80] The default program file suffix is now '.prg'.
[Z80] NO$GMB symbol files can also be written.
v6.4 (12-Sep-2000) [ALL] Returned '*' commenting (from the beginning of a
line).
[ALL] 'LABEL:XYZ' is now correctly decoded.
[ALL] BIT/RES/RST/SET opcodes understand now defines
and calculations.
[ALL] References to local labels outside sections were
possible.
[ALL] Added a much faster and enhanced MACRO language.
[ALL] IF directives can now be nested.
[ALL] .INCBIN works in library files.
[ALL] Added .REDEFINE.
[ALL] Added .PRINTT and .PRINTV.
[ALL] Added .DBSIN, .DBCOS, .DWSIN and .DWCOS.
[ALL] Added .IFEQ, .IFNEQ, .IFGR and .IFLE.
[ALL] Added .IF with the following operators: '>', '<',
'!=' and '=='.
[ALL] Added .IFNDEFM and .IFDEFM.
[ALL] Added .UNDEF.
[ALL] Added .FAIL.
[ALL] Added SEMIFREE sections.
[ALL] Fixed a bug in opcode case sensitivity checks.
[ALL] Opcode case sensitivity mode can be changed so
WLA understands only uppercase letters (flag u).
[ALL] Added support for modulo ('#') in calculations.
[ALL] Enhanced error messages.
[ALL] ROM banks can be inserted into different sized
slots as long as the bank fits fully inside the slot.
[ALL] Computations are now computed internally with higher
precision when possible and the result is converted to
an integer.
v6.3 (04-Sep-2000) [ALL] Enhanced error messages.
[ALL] Optimized section handling.
[ALL] Optimized label handling.
[ALL] Removed support for '*' commenting.
[ALL] Added support for special ROM bank header sections.
[ALL] Added support for powers ('^') and shifts ('<<'
and '>>') in calculations.
[ALL] Fixed calculator engine to work better.
[ALL] Enhanced calculation detection.
[ALL] .DB and .DW take now comma separated data. Make
sure to use commas when placing arithmetic calculations
inside .DB and .DW data fields.
[ALL] .DSW, .DSB, .DW and .DB take labels and pending
computations as data.
[ALL] The following directives can be redefined as long
as the values equal: .ROMBANKS, .EMPTYFILL and
.ROMBANKSIZE.
[ALL] .ROMBANKMAPs and .ROMBANKS can be redefined as long
as they match (as much as possible). WLA will then use
the biggest defined ROM bank map.
[GB ] The following directives can be redefined as long
as the values equal: .NAME, .RAMSIZE,
.CARTRIDGETYPE, .LICENSEECODENEW, .LICENSEECODEOLD,
.COMPUTECHECKSUM, .COMPUTECOMPLEMENTCHECK, .ROMDMG,
.ROMGBC and .ROMSGB.
v6.2 (31-Aug-2000) [ALL] Enhanced error messages.
[ALL] Enhanced number size checks in the opcode decoding
loop.
[ALL] Braces are not needed anymore in arithmetics.
[ALL] Added a fully functional stack calculator engine.
[ALL] Unused local labels don't get smoked anymore.
[ALL] WLA could crash when including a file while
using the old error message engine.
[ALL] Negative values in the 16bit range are now
handled with better care.
[ALL] When compiling a ROM image and using a section
inside direct mapped code WLA would screw up the data.
v6.1 (26-Aug-2000) [ALL] Directives accept now definitions as arguments.
[ALL] Added more security checks to .MEMORYMAP.
[ALL] Optimized .MEMORYMAP building.
[ALL] Optimized SLOT usage.
[ALL] Added .ROMBANKMAP and .ENDRO.
[ALL] .BANKSIZE is now .ROMBANKSIZE.
[ALL] 4G worth of ROM banks are supported.
[ALL] SLOT numbers start from 0.
v6.0 (23-Aug-2000) [ALL] Rewrote and optimized opcode decoding.
[ALL] Preprocessing subroutine removed comments from inside
data strings.
[ALL] Support for old syntax directives is dropped.
[ALL] Enhanced the documentation.
[ALL] Enhanced the error messages.
[ALL] .INCBIN could break the line numbering in the
error messaging engine.
[ALL] Fixed a bug in .FORCE section handling.
[ALL] Added .BANKSIZE.
[ALL] Added .MEMORYMAP and .ENDME.
[ALL] Added .ENDASM and .ASM.
[ALL] '*' can also be used to comment away lines.
[ALL] WLA can now test assemble (flag t).
[ALL] .ROMSIZE is replaced with .ROMBANKS.
[ALL] Changed FREE section positioning a little.
[Z80] Binary files can be assembled with the flag 'b'.
[Z80] Added .HEADER.
[Z80] Added .FOOTER.
v5.0 (09-Jul-2000) Enhanced brackets detection.
Enhanced the documentation.
Enhanced error messages.
WLA outputs now a NO$GMB symbolic information file along
with a ROM image (s flag).
.SECTION without a specifier is treated as a FREE section.
Optimized directive decoding.
Optimized parser loop.
If .RAMSIZE is not defined a warning is issued instead
of an error.
Added SWAP to .INCBIN.
Verbose mode shows data usage percentages (per bank
as well).
WLAD (WLA Disassembler) is now included with the WLA
archive.
v4.6 (21-Jun-2000) Enhanced the documentation.
Optimized directive decoding.
"JP (HL)" is now known as "JP HL".
GB-Z80 syntax parser supports now brackets as well.
WLA doesn't crash if the project's main file is missing.
v4.5 (15-Jun-2000) Enhanced the documentation.
Fixed the reintroduced '.INCDIR ""'-bug.
Target file name can now be left away as WLA has now
built in default suffices (.gb, .o and .lib).
Added lib-directory to the archive.
Trying to assemble a compact ROM file will give a warning.
v4.4 (09-Jun-2000) Enhanced the documentation.
Fixed "RR A"->"RRCA" and "RL A"->"RLCA" transformations.
"EI" and "RST $x" were followed by a "NOP"!
Hexadecimal and binary values are supported in
arithmetics.
Optimized number decoding.
v4.3 (03-Jun-2000) Enhanced error messages.
Number decoding routines are now compatible with the
new error messaging system.
Optimized define and macro handling.
Optimized GB-Z80 opcode decoding.
Optimized source file parsing.
Very long (typos?) tokens don't crash WLA anymore.
.INCDIR accepts directory paths which are not terminated
with '/' (or '\' under MSDOS).
Added support for very simple arithmetics.
Fixed "LD HL, SP+x".
Removed "EX HL, (SP)".
Added OVERWRITE to .SECTION (patch tool function).
Added .BACKGROUND (patch tool function).
WLA would crash if the whole project was inside one
file, and if the file was not found.
"=" can be optionally left away from many directives.
Added "JP (HL)".
v4.2 (11-Apr-2000) Enhanced documentation.
Enhanced error messages.
WLA could crash if .REPT wasn't ended with .ENDR.
.MACRO and .REPT are now compatible with the new
error messaging system.
.REPT size is now 2k.
v4.1 (29-Mar-2000) Enhanced documentation.
Enhanced error messages.
Optimized number conversion.
Added ANSI-C -like commenting ("/* ... */").
v4.0 (19-Mar-2000) Optimized data parsing.
Added a much better error messaging system as default.
Added "-f" -option for fast compiling (uses old error
messaging system with few enhancements).
"LDH (x), A" and "LDH A, (x)" support was broken due to a
typo.
WLA accepts now negative values as well.
WLA's flags and usage changed totally! Read about the
changes in the documentation.