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annotate ChangeLog @ 276:23034db7dd8a 2.5
fixed expression 'slots' to not store null on a pass 1 store
| author | lost |
|---|---|
| date | Mon, 31 Aug 2009 08:39:36 +0000 |
| parents | a58f49a77441 |
| children |
| rev | line source |
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| 148 | 1 The following includes the various changes in each release of LWTOOLS. |
| 2 | |
| 3 Each item is prefixed by a flag in []. The flags mean: | |
| 4 | |
| 5 [*] Project structure or other "meta" change | |
| 6 [!] critical bug fix - code generation error, etc. | |
| 7 [+] new feature | |
| 8 [-] feature removed | |
| 9 [b] minor bugfix | |
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10 [ ] general improvement |
| 148 | 11 |
| 12 Also, the software affected may follow in []. | |
| 13 | |
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14 |
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15 Version 2.5.1 (unreleased) |
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16 |
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17 [b] Fixed crash on bogus expression on pass2 [LWASM] |
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18 |
| 224 | 19 Version 2.5 |
| 20 | |
| 21 [!] Fixed error in the fix for invalid operands included in 2.4 [LWASM] | |
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225
058f18119025
Fixed filename parsing bug in include directive and added includebin directive
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22 [b] Fixed bug with "include" directive operand parsing [LWASM] |
| 229 | 23 [b] Fixed additional parsing errors with pseudo ops [LWASM] |
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236
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Added os9 target, pragma to control whether $ localizes a symbol, and fixed some condition nesting bugs
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24 [b] Fixed parsing error with various conditional nesting situations [LWASM] |
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225
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Fixed filename parsing bug in include directive and added includebin directive
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25 [+] Added includebin directive to include the literal contents of a binary |
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Fixed filename parsing bug in include directive and added includebin directive
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26 file at the current assembly address. [LWASM] |
| 226 | 27 [+] Added || and && as boolean or and boolean and respectively [LWASM] |
| 228 | 28 [+] Added COPY, COPY-, IMP, EXP, TFRP, TFRM, TFRS, TFRR as alternatives to |
| 29 the TFM instruction variations for compatibility with other assemblers | |
| 30 [LWASM] | |
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230
0df2a39a268c
Added --6809/--6309 switches and some cleanups in error reporting
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31 [+] Added --6809/-9 switch to cause 6309 instructions to be rejected; also |
|
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32 included --6309/-3 switch to force default allow of 6309 instructions |
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33 [LWASM] |
| 235 | 34 [+] ALIGN now takes an optional padding value (ALIGN align,pad) to specify |
| 35 the byte value that will be used for padding if needed [LWASM] | |
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36 [+] Added OS9 module target along with the OS9, MOD, and EMOD pseudo ops |
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37 to allow building OS9 modules [LWASM] |
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38 [+] Added pragma "dollarlocal"/"nodollarlocal" and "dollarnotlocal"/ |
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39 "nodollarnotlocal" to control whether $ localizes a symbol [LWASM] |
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40 [ ] Fixed a few cosmetic issues with error reporting |
| 224 | 41 |
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Fixed off by one relocation offset for direct page external references
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42 Version 2.4 |
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43 |
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44 [!] Fixed off by one relocation offest for base page external references |
| 221 | 45 generated by lwasm [LWASM] |
| 46 [b] Fixed segfault in "extern" pseudo op and allowed a symbol list as the | |
| 47 operand just like "export" [LWASM] | |
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223
436b36214e35
Fixed lack of error when there are extraneous characters at the end of the operand.
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48 [b] Fixed lack of error when there are extraneous characters at the end |
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49 of the operand. This did not cause incorrect code generation for correct |
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Fixed lack of error when there are extraneous characters at the end of the operand.
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50 code but would silently generate incorrect code for some easy errors |
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222
7803d2d09993
Allow 8 bit immediate operands to be external references
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51 [+] 8 bit immediate operands can now be external references [LWASM] |
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220
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52 |
| 180 | 53 Version 2.3 |
| 54 | |
| 216 | 55 [*] added support for compiling using MinGW and added portions of gnulib |
| 56 to support argp, among other things. Yah! A Windows build! | |
| 187 | 57 [+] added library search path (-L) and library specification (-l) to LWLINK |
| 58 [+] added ability to specify section base addresses on the command line to | |
| 180 | 59 LWLINK (they get prepended to the built in link script) |
| 187 | 60 [+] added ability to output a "linkmap" to lwlink (--map, -m) |
| 61 [+] added LWEX0 (LWOS simple binary) target to LWLINK | |
| 188 | 62 [+] added ability to extract files in LWAR |
| 63 [+] added ability to "replace" members in LWAR | |
| 190 | 64 [+] added support for "sym=expr" in the opcode field; this will define a |
| 65 global symbol (non-section) if it resolves to a constant | |
| 191 | 66 [+] added operator ~ as a prefix operator for a 1s complement in LWASM |
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192
bfd0fb0a85c2
Allow exporting multiple symbols on a single directive
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67 [+] allow exporting multiple symbols (export sym,sym,sym...) |
| 216 | 68 [+] allow extern references in base page addresing mode, possibly buggy |
| 69 still (LWASM) | |
| 70 [+] handle 8 bit external references, possibly buggy still (LWLINK) | |
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206
299c5d793aca
Made lwlink smarter about not included unneeded (unreferenced) members of a library file
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71 [+] arranged for unused members of library files (archives) to be ignored |
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Made lwlink smarter about not included unneeded (unreferenced) members of a library file
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72 during linking to keep the final size of the binary down (LWLINK) |
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833d392fec82
Arranged for lwasm and lwlink to remove the output file in case they fail
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73 [b] arranged for output files for lwasm/lwlink to be removed if the assembly |
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833d392fec82
Arranged for lwasm and lwlink to remove the output file in case they fail
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74 or linking fails |
| 209 | 75 [b] fixed incorrect handling of library search path which caused only the |
| 76 last directory to ever matter | |
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77 [ ] DECB output of LWLINK now collapses contiguous output blocks into single |
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78 single blocks in the output file; this eliminates the explosion of |
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79 preambles that previously occurred |
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220a760ec654
Make lwlink display all undefined references instead of bailing after the first one
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80 [ ] LWLINK now displays *all* undefined symbols and references instead of |
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Make lwlink display all undefined references instead of bailing after the first one
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81 bailing out after the first one |
| 180 | 82 |
| 166 | 83 Version 2.2 |
| 84 | |
| 171 | 85 [*] created LWAR to manage library/archive files |
| 166 | 86 [+] cescapes pragma to allow C-style string escapes in FCC, FCS, and FCN |
| 87 [+] .area alias for SECTION | |
| 88 [+] .globl alias for EXPORT; also accept name of symbol as operand | |
| 89 [+] various compatibility directive aliases for FCB, FDB, FQB, RMB, FCC, | |
| 90 FCS, and FCN | |
| 91 [+] accept "*" has a prefix for base page addressing mode | |
| 168 | 92 [+] sections named "bss" or ".bss" in any case are now assumed to be |
| 93 BSS sections. The "!bss" flag can be used to remove that assumption. | |
| 169 | 94 [+] ignore lines starting with # to permit C pre-processor output to be used |
| 95 as input to lwasm | |
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170
bf69160da467
Added ability to use 0x and 0X as prefixes for hexadecimal numbers
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96 [+] allow "0x" and "0X" as prefixes to identify hexadecimal numbers |
| 171 | 97 [+] added support for a simple library/archive file format to LWLINK |
| 166 | 98 [b] actually show assembly errors when no list requested |
| 99 [b] pragma and --pragma now actually take multiple pragmas as documented | |
| 100 | |
| 148 | 101 Version 2.1 |
| 102 | |
| 103 [*] merged LWLINK (1.0) and LWASM to create LWTOOLS | |
| 104 [+] [LWASM] pragmas can be specified on the command line | |
| 105 [+] [LWASM] undefextern pragma added (undefined symbols treated as external) | |
| 106 [+] documentation | |
| 107 [b] [LWASM] made pragmas case insensitive | |
| 108 [b] [LWASM] made EXTERN symbols never be part of a section in symbol table | |
| 109 | |
| 110 | |
| 111 LWASM Version 2.0 | |
| 112 | |
| 113 [*] major rewrite of the entire assembler | |
| 114 [+] object file support | |
| 115 | |
| 116 | |
| 117 LWLINK Version 1.0 | |
| 118 | |
| 119 [*] initial released version |