------------------------------------------------------------------------------ 1... WLA GB-Z80/Z80/6502/65C02/6510/65816/HUC6280/SPC-700 History ------------------------------------------------------------------------------ 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 compiles 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 compiles 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 compiles 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 compiles 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 compiles 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 compiler 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 compile 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 compile (flag t). [ALL] .ROMSIZE is replaced with .ROMBANKS. [ALL] Changed FREE section positioning a little. [Z80] Binary files can be compiled 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 compile 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. Input and output files cannot be the same. Enhanced the documentation. v3.0 (20-Feb-2000) Added support for "LDH (x), A", "LDH A, (x)", "LD (HLI), A", "LD (HL+), A", "LD A, (HLI)", "LD A, (HL+)", "LD (HLD), A", LD (HL-), A", "LD A, (HLD)" and "LD A, (HL-)". WLA filters away unreferenced local lables in object/library output mode. MSDOS temporary file directory is now the current working directory. Added "-co" -option for compact object file producing. Added "-cl" -option for compact library file producing. Enhanced .SECTION logic (syntax changed!). Added new error messages. Optimized temporary file usage. Optimized directive decoding. Optimized internal pass 2. Optimized .SECTION handling. Optimized .DSB and .DSW. Optimized pass 1. Optimized .INCLUDE. v2.9 (16-Feb-2000) Section names with spaces crashed WLA. Fixed address bound checking in .BANK. Added more error messages. v2.8 (15-Feb-2000) Added .EXPORT. All strings starting with "." are treated as directives. Directives are not case sensitive any more. Fixed a broken 0x0D filter (in MSDOS text files). Source file ending into a comment could crash WLA. Optimized .INCLUDE. Libraries can now have references outside. Amiga object/library files were not compatible with PC files. Fixed a bug in object file generator that could crash WLA. v2.7 (07-Feb-2000) WLA returns 0 when help information is displayed. WLA returns 1 when execution ended in error. -1 produced ugly error messages on Amiga computers. WLA gives now an error when the user tries to produce a library file which has references to outside. Amiga version has version string. Enhanced some error messages. Enhanced documents. v2.6 (03-Feb-2000) PC relative reference distances inside sections could be more than 127 bytes. v2.5 (29-Jan-2000) Enhanced documents. Fixed GBC indicator from $C0 to $80. v2.4 (26-Jan-2000) Fixed a typo "NET NC" to "RET NC". Enhanced some error messages. Added .ROMGBC, .ROMDMG and .ROMSGB. Rewriting memory with equal data doesn't give an error. v2.3 (23-Jan-2000) Added .SECTION, .ENDS. Added "-l" -option for library file producing. Fixed address calculations a little more. WLA returns -1 when execution ended in error. Local labels are now local to sections or object file. Enhanced the documents. v2.2 (16-Jan-2000) Added .DSW, .DW, .ENUM and .ENDE. v2.1 (14-Jan-2000) Added $BE (Pocket Voice) to supported cartridge types. Added "-v" -option for verbose information displaying. Optimized pass 1. Fixed possible errors in address calculations. v2.0 (12-Jan-2000) Enhanced the documents. Optimized internal pass 2 and directive including. Fixed overflow check (in .ORG). Added "-o" -option for object file producing. Added linker executable "wlalink". Added .INCDIR. v1.9 (06-Jan-2000) Optimized .INCBIN, .INCLUDE and internal passes 1 and 2. v1.8 (23-Dec-1999) Enhanced the documents. Fixed overflow checker once again. Every bank gained one byte more (total 16384). v1.7 (04-Dec-1999) Enhanced the documents. Added gb_hardware.i. .INCBIN didn't free buffer memory. Optimized .INCBIN. .INCBIN now caches all the files. Optimized internal passes 1 and 2. Linux version is optimized for 486. v1.6 (14-Nov-1999) Enhanced the documents. Fixed nintendo_logo.i so it works on a real Game Boy. Fixed complement check calculation to work. Overflow checker thought GB ROM banks were 8KB each! Fixed to 16KB. Ville no baka! Added .REPT. Added .ENDR. v1.5 (10-Jun-1999) Enhanced the documents. WLA does now one pass to the input data and two passes to the internal data. v1.4 (25-May-1999) Renamed nintendo_logo.s to nintendo_logo.i. Fixed nintendo_logo.i Wzonka-Lad-compatible. Fixed pass-texts, as WLA does actually one pass, three of the old ones were made to the WLA's internal data. Added one funky new optcode, "DEBUG", which will translate to $ED (unused in GB-Z80). This one will flash the power light when executed on Wzonka-Lad, my Game Boy emulator. Use it only for debugging! v1.3 (01-Jan-1999) Enhanced the documents. WLA now shows the unused areas of the ROM file after a successful compile in hexadecimal format. Many WLA directives accepted non-pure values, not anymore. Added .DSB. .DB handles now strings as well. v1.2 (21-Dec-1998) Enhanced the documents. Added a list ("gb-z80.txt") of the supported GB-Z80 commands to the archive. Free strings don't break the compile loop anymore. Added .INCBIN. v1.1 (13-Dec-1998) Enhanced the documents. Removed an unused function. Number input now detects and discards numbers from outside the word boundaries. WLA now shows the unused areas of the ROM file after a successful compile. Added .IFNDEF. Added .IFDEF. Added .ELSE. Added .ENDIF. Added @@@ to .MACRO. .DB accepted values from outside the byte boundaries. v1.0 (12-Dec-1998) The first public release. ------------------------------------------------------------------------------ 2... WLAB History ------------------------------------------------------------------------------ v1.2 (31-Mar-2003) Made address printing more useful. v1.1 (04-Sep-2000) Uses now WLA v6.3+ syntax (introduced commas). Accepts now files bigger than 64KB. v1.0 (23-Aug-2000) The first public release. ------------------------------------------------------------------------------ 3... WLAD History ------------------------------------------------------------------------------ v1.3 (21-Oct-2000) String detection works better. v1.2 (01-Sep-2000) SLOT numbers are handled correctly. Uses ROMBANKS instead of ROMSIZE. String detection works better. v1.1 (23-Aug-2000) Added flag 'a' to disable address output. v1.0 (10-Jul-2000) The first public release. ------------------------------------------------------------------------------ 4... WLALINK History ------------------------------------------------------------------------------ v5.7 (02-Mar-2008) A reference to a non existing anonymous label inside a pending calculation would crash WLALINK. Taking the bank number of an anonymous label inside a pending calculation would return the label's address. 128 was the maximum legal distance to an 8bit reference, fixed this to 127. The same range bug was in bank header section calculations as well. All the output when linking goes to stderr (some info went to stdout, making the lines to mix in UltraEdit(?)). v5.6 (01-Jan-2006) Anonymous labels don't fool the unused section discarder to think that a section is referenced. WLALINK could find anonymous labels that had been inside discarded sections. WLALINK can output WLA symbol files as well (option 'S'). Added more safety checks to anonymous label calculations. Symbol file writers handle .BASE correctly. Fixed SMC header writing (by Tobias Pflug). v5.5 (30-Jul-2004) Added support for hexadecimal input values using the suffix 'h'. v5.4 (10-May-2004) SUPERFREE sections are now inserted into the output after all FREE and SEMIFREE sections. All sections are sorted by size and placed in the output by starting from the largest section. Added preliminary support for list files. Added support for operators '>' (get the high byte) and '<' (get the low byte). Supported object file format is now "WLAK" and library file format "WLAV". FREE, SEMIFREE and SUPERFREE sections can be aligned. v5.3 (23-Nov-2003) When finding the match the distances between anonymous labels are now measured using their positions in the output file, not using line numbers in the source files (fixes anonymous labels inside .REPT). Added "CADDR", label for referencing the current address. SMS checksum should now be computed correctly, regardless of the ROM size. Fixed a rare segfault with computation definitions. WLALINK displays better error messages when there is no room for a section. When positioning SUPERFREE sections the only suitable bank candidates are those, which have the same size than the slot of the section. Supported object file format is now "WLAH" and library file format is "WLAT". v5.2 (06-Jun-2003) Supported object file format is now "WLAG" and library file format is "WLAS". Added support for SNES checksum computing. Added support for SUPERFREE sections. Fixed WLALINK to work with the new SNES/65816 banking selection scheme. Enhanced error messages. v5.1 (22-Jan-2003) A bug introduced in v5.0 made local labels to fail in some occasions. Added support for longer filenames (> 63 characters). Supported object file format is now "WLAE" and library file format is "WLAR". Object & library file structures weren't initialized completely - could cause a crash if one of the files to be linked was missing. v5.0 (28-Nov-2002) When discarding unreferenced sections WLALINK will process only FREE and SEMIFREE sections. v4.9 (28-Apr-2002) When computing SMS ROM checksum WLALINK now writes $4C to $7FFF (32KB checksum, and SMS export). 8bit label references are now allowed (zero page labels). v4.8 (22-Jan-2002) Added support for yet another un-named label (__). v4.7 (22-Dec-2001) Added support for un-named labels (-, --, +, ++, ...). v4.6 (31-Aug-2001) It's possible to make value definitions inside the linkfile. v4.5 (16-Jul-2001) WLALINK wrote SNES ROM info byte into $FFD5 regardless of the ROM mode. Added XOR-operator (~) support to computations. Added support for RAM sections. v4.4 (30-Jun-2001) For example a reference to ":label_01" will give the label_01's bank number instead of its address. Linkfile's library loader supports now BASE (works like WLA's .BASE). Linkfile parser supports now hexadecimal values. Added support for 16bit relative references. v4.3 (19-May-2001) Optimized FREE and SEMIFREE section placing. Optimized section data inserting. Supported object file format is now "WLAD" and library file format is "WLAQ". Thanks to WLA simplifications, WLALINK code also experienced small simplifications. OVERWRITE and FORCE sections which overflow from the ROM file don't crash WLALINK any more. Added flag 'd' for unreferenced section discarding. v4.2 (10-May-2001) Memory overwrite error messages could crash WLALINK (supplied a bad object pointer to message routine). v4.1 (05-May-2001) A bug was introduced in memory overwrite check optimizations, FREE sections could be written on top of each other. v4.0 (22-Apr-2001) WLALINK doesn't crash anymore when a modulo/division by zero happens in the stack calculator routines. Added support for 24bit references. Enhanced error messages. v3.9 (12-Apr-2001) Updated few structures to satisfy the internal changes in the latest WLA. If a FORCE section matches the underlying, written data (other FORCE sections) completely, no error is issued. Added support for unique SECTIONs. v3.8 (02-Feb-2001) Supported object file format is now "WLAB" for non GB-Z80 systems (adds checksum computing). Due to a typo the bank number of a pending calculation could get corrupted during object file parsing. v3.7 (08-Oct-2000) Added support for 6510. v3.6 (07-Oct-2000) Added support for 65816 (24bit values). v3.5 (24-Sep-2000) Added support for program file output (!GB, flag b). NO$GMB symbol files can also be written (!GB). Fixed few byte size checks. Header and footer sizes are now shown in the verbose mode's result information. v3.4 (09-Sep-2000) Label duplicate checker didn't handle local labels correctly. Added support for modulo in calculations. Added support for SEMIFREE sections. Computations are now computed internally with higher precision when possible and the result is converted to an integer. v3.3 (04-Sep-2000) Enhanced error messages. Added support for powers and shifts in calculations. Added support for special ROM bank header sections. Labels' slot and bank numbers inside library files could get corrupted. Optimized label handling. v3.2 (31-Aug-2000) The supported file formats are only "WLAP", "WLA9" (GB-Z80) and "WLAA" (Z80). Added a fully functional stack calculator engine. Objects with different ROM sizes can be combined, and the result will use the biggest ROM size found as long as the sizes of the ROM banks match. Optimized file parsers. Enhanced error messages. v3.1 (26-Aug-2000) The supported file formats are only "WLAO", "WLA7" (GB-Z80) and "WLA8" (Z80). Exported definitions were handled incorrectly. Memory overwrite warnings were displayed when fixing relative addresses. v3.0 (23-Aug-2000) The supported file formats are only "WLAO", "WLA5" (GB-Z80) and "WLA6" (Z80). Rewrote 30% of the code. WLALINK arguments changed! WLALINK needs now a linkfile. v2.0 (09-Jul-2000) WLALINK outputs now NO$GMB symbolic information files along with a ROM image (flag s). Verbose mode shows data usage percentages (per bank as well). v1.9 (25-May-2000) Added support for WLA v4.3's .SECTION OVERWRITE. v1.8 (20-Feb-2000) The supported file formats are only "WLAN" and "WLA4". WLALINK uses now less memory. Enhanced some error messages. v1.7 (15-Feb-2000) Added support for WLA's .EXPORT. Enhanced some error messages. Optimized ROM file generation. The supported file formats are only "WLAM" and "WLA3". Amiga object/library files were not compatible with PC files. v1.6 (07-Feb-2000) WLALINK returns 0 when help information is displayed. Amiga version has version string. v1.5 (03-Feb-2000) PC relative reference distances inside sections could be more than 127 bytes. Enhanced some error messages. v1.4 (31-Jan-2000) Duplicate labels positioned in different places in Game Boy memory map break the linking loop. Fixed object identifier, verbose mode screwed up the names. Enhanced some error messages. Referencing to a label inside a section more than once screwed up the label's address. v1.3 (26-Jan-2000) Rewriting memory with equal data doesn't give an error. Enhanced some error messages. v1.2 (23-Jan-2000) Added support for library files. v1.1 (14-Jan-2000) Added support for Pocket Voice. Added "-v" -option for verbose information displaying. WLALINK now checks the object file formats. v1.0 (12-Jan-2000) The first public release.