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ChangeLog
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ChangeLog
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Version 0.32, Tue Apr 22 2014
* Fix keyboard handling - CoCo Tetris now playable again.
* SDL, CoreAudio: allow -ao-fragments more than 1.
* Binary file loading no longer assumes 64K RAM organisation.
* Warn about use of deprecated options.
* Add joystick menus to GTK+ interface.
* New option -ao-format to select audio sample format.
* Fix 6309 timing issue (CMPU, CMPS).
* Fix issue with 6309 STBT instruction.
* Use endian.h where available.
* Preserve extra VDK header information in rewritten images.
* New Windows UI adding menus to the SDL window.
* Detect headerless JVC image geometry from OS-9 filesystem information.
* New option -no-disk-auto-os9 disables automatic geometry detection.
* Recognise ".os9" as extension for JVC images, ignores -no-disk-auto-os9.
* Deprecated option -disk-jvc-hack (now ignored in favour of above).
Version 0.31, Thu Nov 28 2013
* New option -timeout quits emulator after number of seconds.
* Differentiate between combined and concatenated ROMs.
* Ctrl+Shift+I toggles Inverse Text.
* New option -invert-text.
* Added external character generator support.
* Many new keymaps. -keymap help for a list.
* New option -machine-keyboard selects layout for machine.
* New machine Dragon 200-E.
* Shift+Return presses Caps Lock combo in translated mode.
* Ctrl+Shift+H presses "Pause" button.
* Shift+Space presses Pause Output combo in translated mode.
* Fix CoCo RAM select detection.
* More accurate sound timing.
* SDL, CoreAudio: render audio directly into callback buffer.
* New options -ao-fragments, -ao-fragment-ms, -ao-fragment-frames.
* Rename option -ao-buffer-samples to -ao-buffer-frames.
Version 0.30, Wed Sep 18 2013
* Minimal CoCo BASIC printing support using ROM intercept.
* Fix SAM clock stretching on slow/fast transition.
* New -default-machine option.
* New -machine-cart option specifies default cart per machine.
* Successive files on command line attached intelligently.
* New -ao-device option supported by ALSA, OSS, Pulse and Sun.
* New -debug-fdc option selects FDC debug options (-1 for all).
* New -debug-file option selects file loading debug options (-1 for all).
* New machine and ROM definitions for Dynacom MX-1600 (CoCo clone).
* Add "pause switch". Pause key in SDL & GTK+ UIs toggles.
* Sound MUX levels and single-bit sound interaction improved.
* HD6309: some behaviour verified.
* VDG: 6847T1 emulated, selectable with -vdg-type. Default for CoCo.
* Fix printing on Dragon 32.
* Automatically extend virtual disks on write.
* Shift+F12 latches the rate limit toggle.
* Revamped joystick handling, added mouse interface.
* Fixed PAL CoCo video timing.
* GDB target support. A patched GDB supporting 6809 is recommended.
* Recognise .ccc as a cartridge ROM image extension.
* Many more menu items in Mac OS X user-interface.
* Support the Orchestra 90-CC cartridge.
* New -ao-channels option.
* New -config-print option.
Version 0.29, Sat Dec 29 2012
* New PIA & keyboard code supports matrix ghosting.
* Fixed emulation of Dragon 32 with 64K.
* Underlying video module rewrite.
* VDG sub-scanline mode switching more accurate (CSS & !INT/EXT delayed).
* Use vertex and texture coord arrays in OpenGL code.
* Alias '²' to Clear for French keyboards. TODO: generic key bind ability.
* Fake ACIA responses to fix 32K mode autorepeat. TODO: real ACIA support.
* Curses video module removed - incompatible with new VDG/video code.
* SDL YUV video module tries harder to find accelerated overlay.
* "Becker" port supported in RS-DOS.
* Various CPU timing fixes.
* Hitachi 6309 support (unverified) with "-machine-cpu 6309".
* Added -c option (must be first one) to specify configuration file.
Version 0.28, Sat May 12 2012
* New keyboard map: Canadian French [Pierre Sarrazin]
* CPU core optimisations.
* VDG palette tweaks.
* Allow user to specify rom lists with -romlist, and inspect the currently
defined lists with -romlist-print.
* Similarly, allow user to specify ROM CRC32s that are equivalent with
-crclist, printing current list with -crclist-print.
* Use ROM CRCs to determine which breakpoints are effective.
* Force CRC matching (breakpoints only based on arch) with -force-crc-match.
* Add -tape-write option to specify an output tape file on the command line.
* Add -type option to type a string into BASIC.
* Permit incomplete last tracks in JVC disk images.
* Removed GP32 and NDS support from main tree.
* Remove obsolete GTK+ version 1 file requester.
* Test for and use GLib list and hash functions if available.
* Data bus state updated during NVMA (fixes Manic Miner protection).
* -tape-pad-auto leader thresholds updated.
Version 0.27, Tue Sep 27 2011
* CPU fixes: verified flags set/cleared in SEX and DAA instructions.
* Tape fixes: various usability fixes.
* VDK files: fill in header bytes more completely when writing.
Version 0.26, Mon Aug 1 2011
* SAM-VDG interaction fix - 48 byte-per-line mode now works.
* More resilient fast tape loading.
Version 0.25, Sat Jun 18 2011
* New GTK+2 user-interface.
* New GtkGLExt video module.
* Fixed initial TV type bug.
* Handle >1 channel in tape audio files.
* New audio options: -ao-rate, -ao-buffer-ms, -ao-buffer-samples, -volume.
* New options: -kbd-translate, -disk-write-back.
* New PulseAudio sound module.
* New Linux joystick module.
* CPU emulation accuracy improved [from doc by Darren Atkinson]
* Tape audio feedback while loading CAS files (AUDIO ON).
* Tape reattach bug fixed.
* Fixed some CPU timings.
* Dragon 64 IRQ vector fix.
* Added ability to print to file or pipe.
* Ability to define new machines or cartridges.
* Fixed crash bug accessing non-existent disk side 2.
Version 0.24, Wed Sep 8 2010
* Improved ALSA sound module.
* SDL video module fixes.
* Use target-specific threading code in SDL audio on Windows.
* Special "-tapehack" mode to rewrite tidied CAS files.
* Search worldofdragon.org ROM filenames.
* More accurate slow-to-fast SAM transitions.
* NDS: bring up to date with new libnds.
* NDS: faster video, audio fixes, better file requester.
* NDS: sleep while lid is closed.
* Support direct loading of DragonDOS binaries.
* Implement remaining known illegal instructions.
Version 0.23, Mon Nov 30 2009
* Full CoCo RAM select emulation.
* Implemented SAM FAST mode.
* Fullscreen fixes.
* Better handling of -load and -run options.
* Include "dark orange" VDG text mode colour.
* Initial ALSA sound module (-ao alsa).
* Read a configuration file on startup.
* Sun audio fixes.
* Experimental curses user interface.
* Run first non-option argument.
* WD279x fix.
* Fixed segfault in SDL joystick code.
* Work around nasty hang bug in SDL's pulseaudio module.
* Add ROM search path to Windows build.
* Add -gl-filter option to select OpenGL texture filter.
* Support directly loading ASCII files (.bas, .asc) as gapped ASCII BASIC.
* Write-back support for VDK and JVC disk images.
* Request filename when creating a blank disk.
Version 0.22, Tue Dec 23 2008
* Feed audio output back to single bit sound input.
* Update GP32 build to use EABI libs and devkitARM crt0.
* Don't build DS stuff in thumb mode.
* Initialise RAM to pattern.
* Insert fake leader on tape change.
* Fix OpenGL texture "fringing".
* Sun audio fixes.
* Honour user-specified RAM size again.
* Fix WD2791/3 side compare plus other fixes to help CoCo NitrOS9.
* Find a machine the user has ROMs for if they don't specify.
* Add -load and -run options.
* Add simple joystick swap with Control+Shift+J.
* Disable fullscreen while showing a file requester.
* Replace README with a manual.
* Fake trailing leader byte for CAS files.
Version 0.21, Thu Apr 24 2008
* Fix border colour in RG6, CSS=0.
* Input abstraction layer.
* NDS: Render video as 4 x 3 grid of 4-bit colour sprites.
* NDS: Use NDS VCOUNT writability to lock display to 50Hz when appropriate.
* NDS: Major UI improvements.
* NDS: Sound support.
* GP32: Fix chatboard support with new state-machine based scanner.
* Trace mode fixes (SYNC, CWAI).
* Support changing of SAM RAM configuration.
* More accurate single-bit sound.
* Variable MPU rate support configurable.
Version 0.20, Wed Feb 27 2008
* Don't show artifacted colours for CSS=0.
* Better emulation of undocumented 6809 behaviour.
* New joystick axis and button mapping options.
* Add GTK+-2 file requester.
* Mid-instruction peripheral state sync.
* Restructure CPU core to more accurately reflect data sheet.
* PIA code not so intimately tied to emulator code.
* New 5-bit NTSC cross-colour renderer.
* NTSC cross-colour phase saved with snapshots.
Version 0.19, Tue Jun 26 2007
* WD279x Read Address command implemented.
* VDG fixes.
* Delta bugs in initialisation and drive select fixed.
* Better error reporting.
* Better compatibility with old snapshots.
* Performance improvements in OpenGL driver.
* DMK virtual disk reading bugfix.
* Virtual disk image file write support (DMK format only).
* Write protect toggles in SDL user interface.
* Attached virtual disk filenames written to snapshots.
Version 0.18, Fri Mar 9 2007
* New 'configure' script.
* New 'null' sound driver replaces 'rtc'.
* Initial support for Nintendo DS (NDS).
* Slight speed hacks for GP32/NDS.
* Correct amount of scanlines rendered.
* Added --version option.
* Fixed potential infinite loop in disk emulation.
* Single-density disk support.
* Ability to insert blank disks (Ctrl+Shift+[1-4]).
* DMK virtual disk format support.
* Premier Delta System DOS cartridge support.
* Added -dostype option.
Version 0.17, Tue Aug 15 2006
* Map '~' to Shift+'@' in translation mode.
* Hopefully fix windows32 build.
* Tape loading bugs fixed.
* Fix VDG accesses >32K.
* More accurately emulate Dragon 32 behaviour in map type 1.
* Added frameskip option (-fskip).
* Added rate limiter inhibit by holding F12.
Version 0.16, Tue Aug 8 2006
* Added -ram option.
* CRC16 fixes.
* RSDOS fixes.
* Video timing code updated.
* Added -pal and -ntsc options.
* Fixed 16-byte video modes.
* Fixed keyboard translation for Windows.
* Support an illegal indexed addressing mode accidentally used by the first
release of Glove.
* Support using audio files for cassette input.
* GP32 speed hacks (still not perfect).
Version 0.15, Sun Jun 25 2006
* All registers now local to 6809 core main loop.
* New indexed addressing code should be faster.
* Simplified module system.
* New cartridge code. Now usable on GP32.
* Semigraphics mode 6 implemented.
* Virtual cassette writing supported.
* While reading virtual cassettes, fake leader bytes are inserted when
cassette motor is turned on.
* Windows32 UI has separate save dialog.
* Timing issue with short branches fixed.
* WD2797 emulation now implements CRC16.
Version 0.14, Sat Oct 22 2005
* Implemented PAL timing for Dragon 32, Dragon 64.
* Added new machine, 'tano'.
* Implemented sub-scanline rendering (not GP32).
* Fixes to snapshot code.
* Fullscreen toggle added.
* AD CPU rate removed from GP32 build.
* New -snap option.
* Fix to Windows32 UI module (retains CWD).
* 6809 core optimisations.
Version 0.13, Fri Aug 26 2005
* Fixed OpenGL resize problem.
* Fixed OpenGL border alignment problem.
* Trace mode now disassembles instructions.
* Virtual floppy timings more accurate, 'formatting' supported.
* JVC virtual disk format supported.
* Preliminary CoCo disk support (some stuff works, NitrOS-9 doesn't).
* 6809-PIA interrupt interaction more accurate (fixes some games).
* Various command-line options added.
Version 0.12, Thu Jul 28 2005
* New OpenGL video driver. Allows architectures without Xv extension
but with fast 3D graphics card to do hardware scaling.
* Disk writing (in memory only).
* Address-dependent CPU rate implemented (GP32 clock rate upped to
80MHz to cope).
Version 0.11, Thu Jan 13 2005
* Modularised almost everything. Binary can contain multiple drivers
for video, sound and ui. User can pick one on startup and, hopefully,
switch between them on the fly.
* Added resizable SDL-YUV (Xv-accelerated where possible) video module.
* Added JACK sound module.
* Added NULL sound module (Linux-only: uses /dev/rtc to sync).
* Eliminated busy-wait from SDL sound module.
* Unified Unix and GP32 Makefiles.
* Added ability to simulate NTSC video artifacts for hi-res graphics.
* Sound fixes for unsigned audio interferes less with other audio.
* GP32 chatboard support (thanks to Mirko's SDK).
* Added 'translation' mode to SDL keyboard driver.
* Added French & German keyboard mappings for 'raw' mode to SDL driver.
* Ctrl+D (insert disk) replaced with Ctrl+[1-4] in SDL interface.
Version 0.10, Sun Jun 27 2004
* Fixed Sun audio code broken by v0.9.
* Fix SEX bug. Pretty much everything runs correctly now (including
Racer Ball, Rommel 3D, Android Attack).
* Stopped using GP32 SDK sound code, adapted some of Jouni 'Mr.Spiv'
Korhonen's code.
* Refactored code to something a little more logical.
* MacOS X 'Carbon' UI contributed by Stuart Teasdale.
* Use C99 types instead of SDL ones except in SDL-based drivers.
* Wrote faster GP32-specific VDG routines.
Version 0.9, Sat May 15 2004
* More timing fixes.
* Video rendering optimisations.
* s/LICENCE/COPYING/
* Basic GP32 menu system added.
* Ability to switch between Dragon and CoCo ROMs and keymaps.
* Can insert disks (but still only into drive 1).
Version 0.8, Mon May 3 2004
* Added GTK interface option (default) to Unix build.
* Timing fixes - most things play at a better speed now.
Version 0.7, Wed Apr 7 2004
* Added basic Unix joystick support (using SDL).
* PIA0 addressing more specific (D64-style), OS-9 boots!
* PIA implementation simplified.
* Debug level configurable at build time (defaults to "not too much").
* Keyboard handling changed; GP32 version will be easier to switch to
CoCo mode when the time comes.
Version 0.6, Thu Apr 17 2003
* Joystick support available in the GP32 version.