A detailed log of changes, in reverse chronological order.

New features:

• Added auto-save (#161).

Other changes:

• The "seek nearby targets" feature is now disabled by default for new projects.

Bug fixes:

• Fixed crash that happened when max operand width wasn't set in settings file.

New features:

• Added "fancy" formatting for long comments (#111).

Other changes:

• Address table formatter now looks at project/platform symbols (#160).
• Full-line comment delimiter shown on-screen is now configurable.
• Merlin 32 asm source generator now uses '*' for full-line comments.

Bug fixes:

• Corrected Applesoft shape table visualizer.

New features:

• Added binary includes (#144).

New features:

• Added address region isolation (#139).

Other changes:

• Disabled "prefer 32-bit" flag in build.

New features:

• Added additional symbol files for C64 [@cryptoboy].
• Added label file generator (#151).

Other changes:

• Changed label placement from "if too long" checkbox to tri-state.
• Code list font size can be set to arbitrary value.

Bug fixes:

• Fix format overwrite test (#150).

Other changes:

• Remove unused PNG from manifest.

Bug fixes:

• Fixed transparency handling in C64 visualizer (#145).

Bug fixes:

• Added workaround for project file size limitation (#137).

Other changes:

• Increased maximum size of C64 font visualizers.

Other changes:

• Updated SNES definitions [@absindx].

New features:

• Added fonts and sprite sheets to C64 sprite visualizer.

Bug fixes:

• Fixed crash in font picker.

Bug fixes:

• Fixed crash in OMF converter tool.

Bug fixes:

• Reworked editing of project symbols from the instruction operand editor.

Bug fixes:

• Fixed crash when editing project symbols.

Other changes:

• Updated project for VS Community 2022.

Bug fixes:

• Fixed display of non-addressable symbols in HTML export.
• Fixed status flag update for ROL instruction.

Other changes:

• Updated visualization bitmap API to better suit indexed color.
• Added jump to EQU line on double-click in Symbols window.
• Changed default value for "comma-separated bulk data" setting.

New features:

• Highlight operands that refer to the currently-selected line.
• Highlight operands that refer to the selected Local Variable Table entry.

Bug fixes:

• Fixed minor crash.

Other changes:

• Minor changes to samples, tips, Apple II symbols.

New features:

• Added Atari DVG visualizer.

Bug fixes:

• Fixed handling of trailing backslash in comments.
• Fixed long pause when using keyboard after selection jump.

Other changes:

• Added offset field to PlSymbol. Updated StdInline to work correctly with address overlays.

Bug fixes:

• Fixed a crash when editing a .arend line.

Other changes:

• Updated reference manual formatting.
• Minor UI tweaks.

New features:

• Added "uninitialized data" pseudo-op.
• Added quick-set button to delimiter configuration tab in app settings.
• Added "daily tips" to start screen.
• Added "remove formatting" action.
• Added "StdInline" extension script, for common inline data formats.
• Show line/byte counts in Info window when multiple lines are selected.

Bug fixes:

• Fixed a few issues introduced with the address region changes.

New features:

• Reworked the way addresses are handled (issue #107):
  • Replaced linear list of start points with a hierarchy of nested address regions.
  • Added non-addressable areas.
  • Added region pre-labels (issue #109).
  • Added relative addressing.

Other changes:

• Moved reference manual to "docs" area, so it's viewable from the web.

Bug fixes:

• Fixed resize crash (issue #108).
• Fixed editing of high-ASCII L1 strings (issue #110).

Other changes:

• Fixed keyboard focus after deletion of selected item.

Bug fixes:

• Fixed DCI string edge case.

Other changes:

• Allow single-character DCI strings (issue #102).

Bug fixes:

• Fixed arrow key behavior in code list (issue #105). Fixed some related focus issues.
• Fixed 64tass code gen edge case (",k") (issue #104).

New features:

• Added symbols for Super Nintendo Entertainment System (SNES).

Other changes:

• Loosened restrictions on string formatting (issue #100).
• Updated ACME code generation for assembler v0.97.

Bug fixes:

• Fixed address table formatter tagging of embedded instructions (issue #103).
• Fixed 64tass source generation for non-loadable files (issue #98).
• Fixed "goto address" behavior in overlapping segments.

Bug fixes:

• Fixed width limitation in local variable editor (issue #96).

New features:

• Added symbol set for Oric Atmos (pull req #95).

Bug fixes:

• Tightened .sym65 label parsing.

Other changes:

• Export to HTML 5 (was XHTML).
• Moved tutorial to web site, added screen shots.
• Split Apple IIgs I/O definitions into $E0/$E1 banks.

Bug fixes:

• Corrected last offset calculation in Apple II hi-res visualizer (issue #94).
• Fixed 24-bit MULTI_MASK, added test.
• Minor UI fixes.

Other changes:

• Finished refactoring regression tests to better support 8-bit-only assemblers.

New features:

• Improved handling of C64 PRG files.

Other changes:

• Renamed "hints" to "analyzer tags".

New features:

• Added support for W65C02S (65C02 with Rockwell and WDC extensions).

Other changes:

• Added screen holes to Apple II memory chart.
• Show "ptr" for pointer use in cross-reference table.
• Split "show cycle counts" into on-screen and asm gen parts. Added toolbar button.

Bug fixes:

• Correctly update Message list when broken symbol ref is fixed.
• Display cross references to multi-byte local vars correctly.

New features:

• Added Apple II screen memory chart tool.

Other changes:

• Updated Apple II symbol files and visualizers.
• Updated Apple /// symbols files and extension scripts.

Bug fixes:

• Corrected analyzer's handling of BRKs.

Other changes:

• Added new symbols to Applesoft and F8ROM lists.
• Added "no-table" mode to Applesoft shape table visualizer.

Other changes:

• Disabled "smart PLP" by default.
• Updated DOS 3.3 symbols.
• Expanded "apply platform symbols" feature.

New features:

• Added operand wrap length option to app settings.
• Added File > Reload External Files.

Other changes:

• Added OMF conversion options: disable per-segment comments; offset segment by $0100.
• Change un-smart PLP handling for 65816.
• Tweaked default column widths for clipboard and Export.
• Renamed PluginDll directory to PluginDllCache.
• Expanded SGEC: support notes and long comments; added export feature.
• Added more GS/OS constants.

Bug fixes:

• Fixed crash associated with computer suspending while project open.

New features:

• Added ability to set the value of the Data Bank Register ('B').
• Added "smart PLB" feature that handles common code patterns.
• Added Apple IIgs OMF viewer and converter.
• Added option to retain and use OMF relocation data when mapping operand to symbols. (Experimental)
• Added "export" button to visualization editor.

Other changes:

• Improved GS/OS call recognition and formatting.
• Added Cxxx I/O locations in bank $e0 for Apple IIgs.
• Separated Apple Disk ][ I/O addresses into new .sym65.
• Updated A2-HP-CDA example.
• Minor performance tweak to data analysis (big impact on large files).
• Reworked regression tests to split 6502 and 65816 code.
• Added Navigate > Jump to Operand (same as double-click on opcode).
• Migrated from VS 2017 CE to VS 2019 CE. (No meaningful changes.)

Bug fixes:

• Fixed bugs in analysis and generation of 65816 code.

New features:

• Added visualization generator for Atari AVG.
• Added visualization generator for NES pattern tables.

Other changes:

• Show "idx" for indexed accesses in References window.
• Double-clicking on project properties opens editor with correct field selected.

Bug fixes:

• Minor fixes to code analysis, cross-reference generation, and ACME asm.

Bug fixes:

• Various minor issues.

New features:

• Allow custom colors in Notes.

Other changes:

• Added a progress bar to HTML export.

Bug fixes:

• Corrected project/platform cross-references.
• Work around Merlin 32 issue.

New features:

• Added wireframe visualization.

Other changes:

• Added "sprite sheets" to Apple II hi-res visualizer.
• Minor UI improvements.

Bug fixes:

• Corrected handling of no-op .ORG directives.

New features:

• Added Apple II shape table visualizer.

Bug fixes:

• Various minor issues.

New features:

• Added file concatenation tool.
• Added file slicer tool.

Other changes:

• Updated project file format to improve diffs.
• Various UI improvements.

Bug fixes:

• Fixed various local variable table issues.

New features:

• Added animated visualizations.
• Added GIF generation to HTML exporter.
• Made "bulk" data formatting more configurable.
• Updated "set address" to operate on ranges.

New features:

• Added visualization generator interface to extension scripts.
• Added scripts for Apple II bitmaps, Atari 2600 graphics, and C64 sprites.
• Added display of code/data/junk percentages to status bar.

New features:

• Added non-unique local labels.
• Added label annotations.
• Added "go to last change".

Other changes:

• Added "apply platform symbols" experiment.
• Added "discard changes?" confirmation to project properties editor.
• Tweaked line-folding code.

Bug fixes:

• Added workaround for GridSplitter lockup.
• Fix output of local variables that start with '_' in 64tass output.

Other changes:

• Rearranged tutorial files, updated some text.
• Tweaked the "nearby label" finder to find DATA-1.
• Improved handling of "hidden" LV tables.

Bug fixes:

• Crashing bug in selection management.

New features:

• Added read-only mode for projects with problems.
• Added "erase" as a platform symbol option.

Other changes:

• Added Apple-1 symbols.
• Platform/project address symbols are now limited to positive 24-bit values.

New features:

• Added message list to show subtle problems.
• Added instruction chart.

Other changes:

• Created Navigate menu, put some stuff there.
• Slightly improved the Info panel.
• Added inline data formatting and extension scripts to the tutorial.

Bug fixes:

• Fixed embedded instruction edge case.
• Some status flag values were wrong.

New features:

• Added .junk/.align directives.
• Added I/O-direction-specific symbol declarations.
• Added platform symbol address mirroring.
• Made 1-byte vs. 2-byte BRK a project property.
• Added "find previous".

Other changes:

• Fully style main code list (issue #50). Added optional "dark" color scheme.
• Improved navigation back to a local variable entry.
• Changed the "quick set" combo boxes to have immediate actions.

Bug fixes:

• Changed plugin symbol table handling to facilitate proper updates.

New features:

• Platform and project symbols now have explicit widths.
• Extension script formatting capabilities have been expanded.

Other changes:

• ProDOS 8 symbol file and script have been enhanced.

Bug fixes:

• Fixed issue #49.
• Fixed issue #51.

Bug fixes:

• Fixed issue #48.

Other changes:

• Tweaked HTML output.

Bug fixes:

• Various minor issues.

Other changes:

• Added prefixes to symbol names in Apple II ROM .sym65.
• Improved operand edit dialogs.
• Changed split-address table formatter to also handle non-split tables.
• Apply platform/project symbols to Numeric/Address data items.
• Work around some assembler quirks.

Bug fixes:

• Fix HTML output (wasn't being escaped).
• Prevent data formats from overlapping code formats.

New features:

• Added "export" to text or HTML.

New features:

• Added local variable tables.
• Reworked the instruction operand edit dialog.

Other changes:

• "Smart" PLP handling is now optional.
• Highlight non-default flags.
• Tweaked PETSCII DCI handling.
• Reworked multi-encoding output in 64tass.

Bug fixes:

• Fixed issue #47.

Other changes:

• Changed the way ASCII is handled in 64tass.

New features:

• Added support for multiple character encodings.
  • Various parts of the UI updated to allow the encoding to be specified.
  • Added C64 PETSCII and screen codes.
  • Updated the string scanners to work with different encodings, and include control characters as valid string data (e.g. CR/LF).
  • Updated the assembly source generators to output appropriate code.
  • Made string and character operand delimiters configurable, so you can tell at a glance how something is encoded.

Other changes:

• Updated cc65 for v2.18. Tweaked 64tass output.

New features:

• Added partial support for ACME cross-assembler.

Bug fixes:

• Minor UI fixes.

New features:

• Added Apple /// SOS MLI inline call support.

Other changes:

• Changed handling of BRK to treat it as a single-byte instruction with no operand.
• Broke all existing plugins by requiring explicit C# interface declarations.

Bug fixes:

• Fixed copying of regression test data in MakeDist.
• Fixed "your plugin is hosed" dialog.

Other changes:

• Ported entire user interface from WinForms to WPF.
• Added crash handler that writes uncaught exceptions to CrashLog.txt.

Bug fixes:

• Don't crash when assembling if the assemblers have never been configured.

New features:

• Added optional annotation of auto-labels.

Other changes:

• Added more detail to cross-reference window.

New features:

• Added "Format As Word" (Ctrl+W).

Bug fixes:

• Work around cc65 single-pass behavior.
• Work around Merlin 32 instruction parsing bug.

Other changes:

• Made double-click on opcode of partial labels (e.g. LDA #<label) jump to label.
• Added 2014-label-dp regression test.

New features:

• Generalized assembler configuration. Output column widths may now be set separately for each assembler.
• Added 64tass assembler support.
• Added setting to insert spaces between bytes in the Bytes column.

Bug fixes:

• Changed the glyph used to indicate embedded instructions. The previous one didn't render correctly on Win7 or Linux.

Other changes:

• Added a "cross-assembler bugs & quirks" section to the manual.

Bug fixes:

• Fixed goto-by-offset, which would occasionally not find the destination.

New features:

• Added some symbols for C64, C128, and Atari Lynx.

Bug fixes:

• Fixed selection highlight update (crash).
• Fixed add-label shortcut for adjusted operands.
• Fixed code list column width save/restore.

Other changes:

• Improved behavior under Mono. No longer crashing on startup. Gets kinda funky though.
• Recognize mouse thumb button as navigate-back (just like web browsers).

Other changes:

• Improved hinting. Added keyboard shortcuts, and changed behavior to only hint the first byte on each selected line.
• Merged "edit operand" and "edit data format" into combined "edit operand".
• Added a keyboard shortcut for disabling the uncategorized data analyzer.
• Added additional tutorials.
• Merged a couple of RuntimeData READMEs into the main HTML documentation.
• Misc documentation cleanup.

New features:

• Added split-address table formatter.
• Save & restore main window location and maximization state.
• Added Apple /// symbols (courtesy David Schmidt).
• Added placeholder Atari Lynx definition (+ 65CS02 declaration).
• Added first-word-is-load-addr parameter to system defs, primarily for C64 binaries.

Bug fixes:

• Don't crash when single-byte instructions have a single-byte data format left over from a previous life.
• Fixed some Mono compatibility issues.

Other changes:

• Renamed undocumented 6502 opcodes to match Unintended Opcodes doc.
• Added some hotkeys, removed others.
• Changed cc65 generator to output v2.17-compatible source when assembler binary not found.
• Flipped the Name and Value columns in the Symbols window.
• Edited / expanded documentation.

Bug fixes:

• Fixed crash on startup.

Initial release.