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[Stella-commits] SF.net SVN: stella:[1732] trunk
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From: <ste...@us...> - 2009-05-21 12:53:31
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Revision: 1732
http://stella.svn.sourceforge.net/stella/?rev=1732&view=rev
Author: stephena
Date: 2009-05-21 12:53:06 +0000 (Thu, 21 May 2009)
Log Message:
-----------
Repo reorganization: move main Stella files directly into 'trunk'.
Added Paths:
-----------
trunk/Announce.txt
trunk/Changes.txt
trunk/Copyright.txt
trunk/License.txt
trunk/Makefile
trunk/README-GP2X.txt
trunk/README-SDL.txt
trunk/README-WinCE.txt
trunk/Readme.txt
trunk/Todo.txt
trunk/common.rules
trunk/config.guess
trunk/config.sub
trunk/configure
trunk/debian/
trunk/docs/
trunk/src/
Removed Paths:
-------------
trunk/stella/Announce.txt
trunk/stella/Changes.txt
trunk/stella/Copyright.txt
trunk/stella/License.txt
trunk/stella/Makefile
trunk/stella/README-GP2X.txt
trunk/stella/README-SDL.txt
trunk/stella/README-WinCE.txt
trunk/stella/Readme.txt
trunk/stella/Todo.txt
trunk/stella/common.rules
trunk/stella/config.guess
trunk/stella/config.sub
trunk/stella/configure
trunk/stella/debian/
trunk/stella/docs/
trunk/stella/src/
Copied: trunk/Announce.txt (from rev 1731, trunk/stella/Announce.txt)
===================================================================
--- trunk/Announce.txt (rev 0)
+++ trunk/Announce.txt 2009-05-21 12:53:06 UTC (rev 1732)
@@ -0,0 +1,53 @@
+===============================================================================
+
+ SSSS tt lll lll
+ SS SS tt ll ll
+ SS tttttt eeee ll ll aaaa
+ SSSS tt ee ee ll ll aa
+ SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
+ SS SS tt ee ll ll aa aa
+ SSSS ttt eeeee llll llll aaaaa
+
+===============================================================================
+ Release 2.7.7 for Linux, Mac OSX and Windows
+===============================================================================
+
+The Atari 2600 Video Computer System (VCS), introduced in 1977, was the most
+popular home video game system of the early 1980's. Now you can enjoy all of
+your favorite Atari 2600 games on your PC thanks to Stella!
+
+Stella is a multi-platform Atari 2600 VCS emulator. It allows you to play all
+of your favorite Atari 2600 games again! Stella was originally developed for
+Linux by Bradford W. Mott, however, it has been ported to a number of other
+platforms.
+
+This is the 2.7.7 release of Stella for Linux, Mac OSX and Windows.
+Distributions for other operating systems will appear as they become available.
+The distributions currently available are:
+
+ * Binary distribution in 32-bit RPM format for Linux (stella-2.7.7-1.i586.rpm)
+
+ * Binary distribution in 32-bit Ubuntu DEB format (stella_2.7.7-1_i386.deb)
+
+ * Binary distribution in 64-bit Ubuntu DEB format (stella_2.7.7-1_amd64.deb)
+
+ * Binary distribution for Mac OSX (StellaOSX2.7.7.dmg.gz)
+
+ * Binary installer (exe) for Windows (stella-2.7.7-win32.exe)
+
+ * Binary zip for Windows (stella-2.7.7-win32.zip)
+
+ * Binary zip for 64-bit Windows (stella-2.7.7-win64.zip)
+
+ * Source code distribution for all platforms (stella-2.7.7-src.tar.gz)
+
+PLEASE DO NOT WRITE ASKING FOR ROM IMAGES TO USE WITH STELLA! ALL SUCH
+REQUESTS WILL BE IGNORED!
+
+
+Distribution Site
+=================
+
+The Stella distributions can be obtained from the Stella Website at:
+
+ http://stella.sourceforge.net
Copied: trunk/Changes.txt (from rev 1731, trunk/stella/Changes.txt)
===================================================================
--- trunk/Changes.txt (rev 0)
+++ trunk/Changes.txt 2009-05-21 12:53:06 UTC (rev 1732)
@@ -0,0 +1,1462 @@
+===============================================================================
+
+ SSSS tt lll lll
+ SS SS tt ll ll
+ SS tttttt eeee ll ll aaaa
+ SSSS tt ee ee ll ll aa
+ SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
+ SS SS tt ee ll ll aa aa
+ SSSS ttt eeeee llll llll aaaaa
+
+===============================================================================
+ Release History
+===============================================================================
+
+2.7.6 to 2.7.7: (May 1, 2009)
+
+ * Corrected emulation of CPU opcodes involving 'decimal' mode (ADC/RRA
+ and SBC/ISB). Special thanks to SeaGtGruff and others on the Stella
+ mailing list for in-depth discussion and creation of test ROMs.
+
+ * Fixed bug in F4SC bankswitching mode; writes to bankswitch addresses
+ weren't triggering a bank switch.
+
+ * Changed internal sound frequency of Pitfall 2 from 15.75KHz to 20KHz,
+ as this sounds much more authentic when compared to a real cartridge.
+
+-Have fun!
+
+
+2.7.5 to 2.7.6: (April 14, 2009)
+
+ * Added support for 'EF' bankswitching (Paul Slocum Homestar Runner),
+ as well as auto-detection of this format.
+
+ * Added support for 'EFSC' bankswitching, as well as auto-detection of
+ this format. This is similar to the 'EF' scheme, but also includes
+ 128 bytes SuperChip RAM.
+
+ * Added autodetection for '0840' and 'SB' bankswitching formats.
+
+ * Improved autodetection for 'UA' bankswitching format.
+
+ * Fixed bug in selecting video modes larger than the current screen;
+ the resulting video mode will now be the largest one available
+ (previously it selected the smallest one available).
+
+ * The currently selected CPU register now displays its value in
+ decimal and binary (in addition to hex) in the debugger.
+
+
+2.7.3 to 2.7.5: (Mar. 27, 2009)
+
+ * After about 2 years, finally fixed the infamous 'red screen' issue when
+ using ATI video cards in OpenGL mode in Windows. In the end, it was
+ determined to be a bug in the ATI drivers. Special thanks go to
+ Ant (http://aqfl.net) for bugtesting and constant feedback wrt this bug.
+
+ * Fixed bug in TIA SCORE mode emulation when the Priority bit is also
+ set. This fixes a very noticable graphical glitch in 'Swordquest
+ Waterworld', as well as minor glitches in several other ROMs such
+ as 'Space Shuttle'.
+
+ * Treat spaces as normal characters in the ROM launcher. This means
+ that ROMs with spaces can be located with quick selection (ie,
+ typing characters will automatically jump to a ROM with that name,
+ and typing 'space' won't cause the launcher to jump back to the top
+ of the list).
+
+ * The debugger window can now have a minimum height of 620 lines
+ (previously the minimum was 690), but you lose access to the TIA 'RAM'
+ bytes when using this resolution. This should allow it to work
+ better on devices with small displays.
+
+
+2.7.2 to 2.7.3: (Feb. 9, 2009)
+
+ * Fixed rendering issues in software mode when using 24-bit colour depth.
+ This isn't as fast as 16 or 32-bit modes, so you're recommended to use
+ one of those whenever possible.
+
+ * For the Win32 port: re-added ability to change the default location
+ for storing Stella config files. To use this, simply create a file
+ named 'basedir.txt' in the application directory containing the full
+ path where all Stella-related items should be stored.
+
+ * Tweaked the TIA info statistics overlay to be smaller while still
+ including all relevant information.
+
+
+2.7.1 to 2.7.2: (Jan. 27, 2009)
+
+ * Fixed major bug in ROM Audit functionality; renaming ROMs would create
+ files without an extension.
+
+
+2.7 to 2.7.1: (Jan. 26, 2009)
+
+ * Partial workaround for sound not working in OpenGL video mode in
+ Windows with ATI video hardware. Sound will now work for the first ROM
+ selected, but not for subsequent ones (you will have to quit and
+ restart Stella for sound to work again). Related to this, added
+ '-audiofirst' commandline argument, which initializes audio before video
+ when emulating a ROM. Further work is required to completely fix
+ this bug.
+
+ * Fixed bug where volume wasn't being saved in 'Audio Settings' when
+ started from the ROM launcher.
+
+ * Fixed crash which sometimes occurred when viewing snapshots in the
+ ROM Info viewer.
+
+ * Allow setting window sizes for the ROM launcher and debugger to be larger
+ than your desktop resolution. Be careful with this feature, as switching
+ to fullscreen mode may cause problems in such cases.
+
+ * Made the ROM launcher filename filtering be case-insensitive. This fixes
+ a bug whereby ROMs with uppercase extensions were marked as invalid.
+
+ * Added a pattern matching textbox to the ROM launcher, used to
+ further filter the files shown in the listing. For now, this filters
+ files only (directories are not filtered, and are always shown).
+
+ * The location of EEPROM files used for AtariVox/Savekey emulation can
+ now be changed with the '-eepromdir' commandline argument as well as
+ in the UI.
+
+ * Added '-gl_aspectn' and '-gl_aspectp' commandline arguments (and
+ associated UI items), which replace the previous '-gl_aspect' setting.
+ The aspect modes can now be set separately for NTSC and PAL mode.
+ Related to this, the range of values is now 80 - 120.
+
+ * Fixed bug with hold-select/reset/button0 when overriding ROM properties;
+ the checkboxes in the UI weren't actually doing anything.
+
+ * The 'grabmouse' option is now configurable from the UI; previously
+ it was only accessible from the commandline or its shortcut key.
+
+ * Removed 'Emulation_HmoveBlanks' ROM property and associated UI item.
+ You can no longer optionally turn off HMOVE blanking; it is always
+ enabled when necessary.
+
+
+2.6.1 to 2.7: (Jan. 19, 2009)
+
+ * Totally reworked the built-in UI to be font-sensitive and use higher-
+ resolution fonts. Stella now requires a minimum screen size of 640x480.
+ If used in a resolution smaller than that, the fonts will be reduced
+ accordingly. Related to this, switching between software and OpenGL
+ rendering now requires an application restart.
+
+ * Added three different sized fonts (small, medium, large) which can be
+ used in the ROM launcher.
+
+ * Added ability to temporarily override ROM properties from the UI. This
+ is tied to a right mouse button context menu in the ROM launcher, and
+ is very useful when you want to use a set of properties for all
+ subsequent ROMs without having to manually change each one.
+
+ * Added ability to filter the files shown in the ROM launcher. Currently,
+ the choices are 'all files', 'all roms', or 'roms ending with a certain
+ extension'. This functionality is tied to a right mouse button context
+ menu in the ROM launcher. Extensions can also be set with the
+ '-launcherexts' commandline argument.
+
+ * Added ability to reload the listing in the ROM launcher, either from
+ a right mouse button context menu or pressing the Control/Cmd-R key.
+
+ * Made the ROM info viewer in the ROM launcher configurable to show
+ snapshots in 1x or 2x mode.
+
+ * Made the delay between consecutive keys being recognized as one word
+ configurable in the ROM launcher. This is useful if you find that you
+ have to press keys too quickly to jump to a specific ROM. This can be
+ set in the UI or using the '-listdelay' commandline argument.
+
+ * Updated internal ROM properties database to ROM-Hunter version 4
+ (thanks go to RomHunter for his tireless research in this area).
+
+ * Expanded the statistics overlay for the TIA image to also show
+ Display Format and Bankswitch type information.
+
+ * Added '-ss1x' commandline argument and associated UI item, used to
+ generate snapshots in 1x mode, independent of the filtering/scaling
+ currently in use.
+
+ * Various path textboxes in the UI now recognize './' (or '.\') to mean
+ the current directory and '~/' (or '~\') to mean your home directory
+ (for Windows, home directory will be your 'My Documents' folder).
+
+ * Large speedup in loading directories with many files in the ROM launcher.
+
+ * Fixed reset issue in 3E, 4A50, AR, CV, E7, F4SC, F6SC, F8SC, FASC and MC
+ ROMs; the internal RAM wasn't being randomized after the initial reset.
+
+ * M6532/RIOT RAM is now randomized at every reset, not just when the
+ emulation starts.
+
+ * Fixed bug in _diff pseudo-registers in the debugger; they were actually
+ defined backwards.
+
+ * Added fix for 'Challenge/Surfers Delight' ROM; the startup bank was
+ incorrect. Combined with the new 'Override Properties' functionality,
+ you can now play both games directly from the UI (no need to use the
+ commandline).
+
+ * Fixed paddle issue with Activision Casino ROM; the last card in game 4
+ can now be reached.
+
+ * Added new pseudo-registers to the debugger, useful for conditional
+ breakpoints (_fcount, _cclocks, _vsync, _vblank).
+
+ * Added 'timing' commandline argument functionality to the UI, so you no
+ longer need to use the commandline to set it.
+
+ * Size restrictions on the TIA image are now strictly enforced. The
+ maximum height of a 1x TIA image is now 256 lines.
+
+ * Added a new setting to the 'fullres' option named 'auto'. Using
+ 'auto' will let Stella decide the best videomode to use in fullscreen.
+
+ * Changed 'gl_fsmax' option to mean 'scale TIA image in fullscreen'. It
+ will have no effect on UI modes.
+
+ * Changed 'gl_aspect' option to range 80-100 (previously, it was 50-100).
+
+ * Removed 'ui_zoom' and 'tia_zoom' options, replacing them with
+ 'tia_filter' (which can be zoom1x, zoom2x, etc). There is no equivalent
+ for ui_zoom, since the UI can no longer be scaled.
+
+ * Added experimental 64-bit version for Vista64 (may also work on WinXP64).
+ This hasn't been extensively tested, and is probably quite a bit slower
+ than the 32-bit version.
+
+ * OSX port now requires at least 10.3 and XCode 3.0 to compile. Sorry,
+ but I no longer have access to older systems to compile for 10.2.
+
+ * Huge updates to the documentation, particularly concerning the debugger.
+ Many features that have been in Stella for a while are now documented for
+ the first time.
+
+
+2.6 to 2.6.1: (May 22, 2008)
+
+ * Introduced more accurate timing for NTSC vs. PAL modes, where the
+ framerate is based on the number of scanlines per frame. This should
+ eliminate 'clicking' sounds when emulating ROMs that don't follow
+ the exact NTSC or PAL scanline specs.
+
+ * Added ability to see the current number of scanlines and corresponding
+ framerate to the TIA emulation. This can be set with the '-stats'
+ commandline argument, or dynamically turned on and off with the
+ 'Alt-l' key combo.
+
+ * Modified '-framerate' commandline argument, where a non-zero value
+ overrides the automatic framerate calculation (based on number of
+ scanlines). Setting 'framerate' to zero re-enables auto-frame
+ calculation. Also, re-enabled changing the framerate from within the
+ UI.
+
+ * Added '-timing' commandline argument, which sets the type of waiting
+ between processing frames. Setting it to 'sleep' emulates the
+ previous behaviour in Stella; setting it to 'busy' emulates z26,
+ and can in some cases eliminate screen tearing (at the expense of
+ using all available CPU time).
+
+ * Fixed issue with debugger disassembly and mirrored $40 TIA write
+ addresses. They were actually defined at $30, and generating incorrect
+ labels.
+
+ * Fixed issue in AtariVox and SaveKey controllers where accessing the
+ EEPROM sometimes failed after the first write.
+
+ * Changed AtariVox and SaveKey EEPROM emulation to default to $FF for
+ a blank EEPROM.
+
+ * Fixed regression in cart auto-detection logic; some F6 ROMs were being
+ misdetected as E7.
+
+ * Fixed issue with M6532/RIOT timer initialization; it was causing some
+ ROMs to hang (most notably Summer Games). Related to this, reworked
+ the built-in random number generator to generate 'more' random numbers.
+
+ * Fixed bug in CommandMenu where console buttons (Select, Reset, etc)
+ weren't doing anything.
+
+
+2.5.1 to 2.6: (May 16, 2008)
+
+ * Added AtariVox support using a real AtariVox device, where Stella
+ sends data directly to the AtariVox. For now, this is supported in
+ Linux/UNIX, OSX, and Win32 only. You'll obviously need a real
+ AtariVox, and a serial<->USB adaptor to connect it to your system.
+ Added '-avoxport' commandline argument used to set the serial port
+ to which the AtariVox is connected. Special thanks to Al Yarusso
+ and Richard H. for providing sample hardware.
+
+ * Added AtariVox and SaveKey EEPROM emulation. This reads/writes data
+ to a 32KB file, not to the actual hardware. Very useful for testing
+ EEPROM support without actually wearing out the real device. Special
+ thanks to J. Payson for providing the EEPROM emulation code, and A.
+ Herbert for answering many driver-related questions.
+
+ * Added support for CX-22, CX-80, and AmigaMouse trackball controllers.
+
+ * Improved debugger symfile handling so that addresses accessed as
+ read-only won't use write-only labels (and vice-versa). More work
+ is still needed in this area.
+
+ * Added M6532/RIOT tab to the debugger. This will be expanded on in a
+ future release.
+
+ * Added TIA emulation fixes for graphical glitches in Escape from the
+ Mindmaster, Mission Survive, Solaris, and SWOOPS!
+
+ * Fixed bug where fullscreen OpenGL scaling wasn't working on 4:3 monitors.
+
+ * Further improvements to the M6532/RIOT emulation, which unfortunately
+ have broken old state files (again).
+
+ * Added deadzone setting, for adjusting the deadzone amount for
+ analog joysticks. This can be set using the commandline argument
+ '-joydeadzone' or dynamically within the UI.
+
+ * Make ROM disassembly in debugger take advantage of a wide window.
+
+ * Fixed bug in 6507 BCD handling introduced in the last release.
+
+ * For the Win32 port; Win9x should be fully supported again.
+
+
+2.5 to 2.5.1: (April 9, 2008)
+
+ * Fixed M6532 RIOT timer emulation. More testing is needed, but the
+ changes so far have fixed several ROMs that didn't work before.
+
+ * Fixed issue with weird characters in the debugger disassembly when
+ loading .lst files.
+
+ * Fixed bug where entering the debugger for 4A50 and E0 carts caused
+ the ROM to be frozen afterwords.
+
+ * Removed logic whereby starting a ROM from something other than the
+ built-in launcher wouldn't allow the user to go back to the ROM launcher.
+
+ * Fixed bug (hopefully) with the app icon not showing on the Stella window.
+ Further testing is needed, since I can't duplicate the error myself.
+
+ * Fixed default snapshot folder issues; the folder will now be
+ automatically created in the same place as state folders, ini files,
+ etc (whereever that may be for your platform).
+
+ * Re-added 'lastrom' functionality, where Stella will remember and
+ auto-select the last ROM that was successfully launched in the ROM
+ launcher.
+
+ * For Stella developers, fixed SpeakJet emulation so it compiles again.
+ No improvements have been made to the emulation itself, though.
+
+
+2.4.2 to 2.5: (March 28, 2008)
+
+ * Added RomInfo widget to the ROM launcher, which shows properties
+ information and a snapshot of the currently selected ROM. Updated the UI
+ and added '-romviewer' commandline argument to activate this setting.
+ Note that the ROM launcher will have to be sized at least 640x480 for this
+ to be used. Also note that the snapshots must be in 1x mode with a
+ maximum size of 320x260. This will be expanded on in a future release.
+
+ * Added ROM audit functionality, whereby ROMs can be physically renamed
+ according to their properties' name.
+
+ * Added bankswitching support for 0840, SB, X07 and 4A50. A special thanks
+ to Eckhard Stolberg for much help in this area.
+
+ * Removed "non-browse" functionality from the ROM launcher; it now always
+ uses browse/filesystem mode. The previous 'pretty' names can now be
+ seen by renaming all your ROMs with the new ROM audit feature.
+
+ * Huge overhaul of controller handling and Stelladaptor support, making it
+ much easier to add new controller types in a future release.
+
+ * Fixed paddle issues in Night Driver; paddle emulation speed should be
+ much better.
+
+ * Fixed several 6507 emulation bugs related to BCD handling.
+
+ * Updated ROM properties based on info from RomHunter.
+
+ * ROM properties can now be edited from the ROM launcher; you no longer
+ have to start a ROM to do so.
+
+ * Added support for configurable font to ROM launcher (currently only
+ 'small' and 'large'). Updated the UI and added -launcherfont' commandline
+ argument to change this setting.
+
+ * Added SECAM, NTSC50, PAL60 and SECAM60 to the list of formats that can
+ be used. Also, switching between these modes with 'Ctrl-f' now switches
+ the palette only; the number of scanlines won't change.
+
+ * Fixed crash when switching between software and OpenGL mode with a
+ Stelladaptor plugged in.
+
+ * Added '-tiafloat' commandline argument, which determines whether or not
+ the TIA pins are in a 'floating' state. This is useful for testing on
+ certain CMOS EPROM chips where the unused TIA pins on a read are not
+ floating but pulled high.
+
+ * Fixed issue in debugger where once a .sym file was loaded, it was used
+ in all ROMs loaded after that.
+
+ * Fixed issue in debugger where equate names weren't showing up in the RAM
+ and CPU widgets. Note that this still isn't perfect, and needs support
+ from DASM for proper functionality.
+
+ * Updated state file format, creating smaller files (and in preparation
+ for state rewinding in a future release). Old state saves will no longer
+ work.
+
+ * Added '-bs' commandline argument, which is an alias for '-type' (which
+ is still present).
+
+ * Removed -pXspeed' commandline arguments, and replaced them with a
+ single '-pspeed'.
+
+ * Removed '-paddle' commandline argument. The paddle currently emulated
+ by the mouse can still be changed with Ctrl-0..3 or within the UI, but
+ the setting is no longer saved.
+
+ * Reworked UI for specifying that the console ports have been swapped,
+ hopefully making it easier to understand.
+
+ * Added 'Ctrl-c' & 'Ctrl-v' to EditTextWidgets, allowing to copy and paste
+ the text widget contents. More work in this area is coming in a future
+ release.
+
+ * Added 'Ctrl-leftarrow' and 'Ctrl-rightarrow' to EditTextWidgets, to move
+ to the first character of previous and next words (respectively).
+
+ * For the Win32 port: fixed OpenGL crashes in Vista. Graphical updates
+ are still slower in Vista compared to XP, though.
+
+ * For the Win32 port: default folder for Stella config files is now
+ 'My Documents\Stella'; this can be disabled if necessary. This should
+ fix issues with losing settings when launching Stella from an IDE,
+ and the creation of stella.ini and 'state' directories in many
+ different places.
+
+ * For the Win32 port: several fixes to the Visual Studio project files,
+ allowing building in debug or release mode, for both i386 and x86_64.
+ The project files have been upgraded to Visual Studio 2008, and Stella
+ can now be built and distributed without the VS runtime libraries.
+
+ * Updated configure script for cross-compiling Win32 version in Linux.
+
+
+2.4.1 to 2.4.2: (September 17, 2007)
+
+ * Made usage of 'GL_TEXTURE_RECTANGLE_ARB' extension configurable, and
+ have it default to off. This should take care of the black/white
+ screen many people were experiencing with ATI video hardware. This
+ is accessible using the 'gl_texrect' commandline argument). Set it to
+ 'true' or 'false' to enable/disable the extension.
+
+
+2.4 to 2.4.1: (August 27, 2007)
+
+ * Re-added OpenGL aspect ratio setting ('gl_aspect' commandline argument).
+
+ * Re-added non-browser mode to the ROM launcher.
+
+ * For the Linux/UNIX port; fixed OpenGL vsync issue with Nvidia video cards.
+
+
+2.3.5 to 2.4: (August 20, 2007)
+
+ * Added new video sub-system where fullscreen and windowed modes are treated
+ differently. Windowed modes now use '-zoom_tia' and '-zoom_ui' arguments,
+ while fullscreen modes can be specified by resolution using the new
+ '-fullres' argument.
+
+ * Widescreen video modes are now supported; Stella will simply center the
+ image with surrounding black borders.
+
+ * Many UI-related changes, including resizable ROM launcher and debugger
+ windows, and a new UI palette (the previous 'classic' palette is still
+ available). This is still a work in progress.
+
+ * The locations of all major config files (statedir, palette file,
+ cheat file, properties file, etc) are now configurable from the
+ commandline and within the UI.
+
+ * Updates to TIA palette support. Added SECAM support, and removed the
+ built-in 'original' palette. Standard, z26, and user are still
+ available.
+
+ * Various bugfixes to some debugger commands. The 'run' command no
+ longer causes a crash, and several others have better error-checking.
+
+ * Added more complete cartridge auto-detection for Commavid (CV), 3E,
+ 3F and Activision (FE) formats.
+
+ * Removed XStart and Width ROM properties, since the forthcoming TIA
+ rework won't be using them.
+
+ * Reworked internal storage of ROM properties to be faster and take up
+ less space.
+
+ * Added several different ways of stretching the OpenGL image to the
+ '-gl_fsmax' argument, for more flexibility.
+
+ * Removed OpenGL aspect ratio setting favour of the previously mentioned
+ video changes. We'll see how this goes.
+
+ * Removed dirty-rect support from software rendering, since it was actually
+ sub-optimal in Windows and OSX and defaulted to off in previous versions.
+
+ * Added support for gzipped ROMs.
+
+ * Re-added pause support.
+
+ * Re-added support for Windows 98.
+
+ * Removed support for 'STELLA_BASEDIR' environment variable, since each
+ config file can be now configured separately.
+
+ * Removed '-fastscbios' argument, since it must always be turned on.
+
+ * Removed PSP support, since it hasn't been updated in over a year, and
+ someone else is maintaining another port elsewhere.
+
+ * For the Unix/Linux port; fixed 'make install' issues, and changed icon to
+ PNG format.
+
+
+2.3 to 2.3.5: (January 17, 2007)
+
+ * Greatly improved cartridge bankswitch type auto-detection. Stella
+ can now (mostly) autodetect cartridge types 'E0', 'E7', '3E', '3F' and
+ Superchip carts. Obviously, this autodetection is not infallible, but
+ relies on patterns in the ROM data, and how it was compiled. Because
+ of the auto-detection types already supported, almost all bankswitch
+ info was removed from internal ROM properties. Set the ROM property
+ "Cartridge.Type" to "Auto-detect" for this to take effect.
+
+ * Added auto-detection of display type (NTSC or PAL). Currently, PAL60
+ ROMs will be detected as NTSC. This is almost 100% accurate, and fails
+ in very few cases (for those that are mislabeled, the ROM properties
+ can be set specifically). Set the ROM property "Display.Format" to
+ "Auto-detect" for this to take effect.
+
+ * Improved emulation timing when exiting one ROM and starting another.
+ Previously, this could result in the second ROM having its sound start
+ later than it should have.
+
+ * Removed pause functionality from the core, since it's been superceded
+ by the other event states. You can now enter one of the menus for a
+ similar effect (options, command, debugger, etc).
+
+ * Added toggle for PAL color-loss emulation, which defaults to off.
+ Previous versions of Stella always used color-loss emulation.
+ Related to this, added 'colorloss' commandline argument.
+
+ * Added rudimentary support for configuring the UI palette ('uipalette'
+ commandline argument) and ability to change the size of the launcher window
+ ('launchersize' commandline argument). This will be expanded on in future
+ releases.
+
+ * Reworked options menu so it's now accessible from the ROM launcher as
+ well as while playing a ROM.
+
+ * Re-added ability to change the width and height of a Console. Related to
+ this, changing XStart/YStart/Width/Height dynamically no longer resets
+ the ROM.
+
+ * Removed 'tiadefaults' commandline argument, since Stella will now default
+ to using accurate positioning, and not use 'tweaks'.
+
+ * Joystick code now allows all 4 directions; 'Bumper Bash' now works
+ correctly.
+
+ * Improved Keypad emulation; 'Alpha Beam with Ernie', 'Oscars Trash Race'
+ and 'Magicard' now work correctly.
+
+ * Reworked GUI code, so that all dialog boxes are automatically centered.
+
+ * Added 'rominfo' commandline argument, which prints some detailed info for
+ a ROM.
+
+ * For the OSX port; fixed crashes in OpenGL mode.
+
+ * For the GP2X port; some improvements to the sound code.
+
+ * For the GP2X port; added vertical centering of the TIA image (when possible).
+
+
+2.2 to 2.3: (December 22, 2006)
+
+ * NOTE: Because of the many changes in this release, all settings
+ will be reset to defaults. If this doesn't happen for you, it will be
+ necessary to manually delete your previous settings.
+
+ * Potentially huge speedups in software rendering mode, both in emulation
+ and UI modes. Deactivating 'dirty rects' uses these new modes, which
+ can be 2-3 times faster for many configurations.
+
+ * For UI navigation, changed from using 'joymouse' to the more familiar
+ 'tabbing' functionality, where you move from object to object by use of
+ some tab key. As a result, completely removed the 'joymouse' commandline
+ argument and all associated functionality.
+
+ * Added event remapping for UI events, separate from events while in
+ emulation mode.
+
+ * Added support for PAL60 ROMs, which use the PAL palette and resolution
+ but run at NTSC timing (60Hz). Added ROM property for this, and updated
+ the internal properties database for many PAL60 ROMs.
+
+ * Added support for user-definable palettes. For now, only one extra palette
+ is supported, but in the future we may have them specified per-ROM.
+
+ * Fixed bug in PAL colour-loss emulation, which wasn't actually being done
+ for the original Stella and z26 palettes.
+
+ * Fixed several TIA-related emulation bugs as reported on AtariAge. More
+ fixes will come with the TIA rewrite, due in the next release.
+
+ * Added new scaler infrastructure, replacing the '-zoom' commandline argument
+ with '-scale_ui' and '-scale_tia'. This means the UI and emulation can now
+ be scaled independently.
+
+ * Added '-gl_vsync' commandline argument and associated UI elements, which
+ uses synchronization to vertical blank interrupt in OpenGL on supported
+ systems. This eliminates tearing in OpenGL rendering.
+
+ * Changed naming of snapshots and state files. These files are now
+ named based on the names given in the properties database, and no longer
+ use the 'md5sum' name. As a result, state files from previous versions
+ will no longer work unless they're manually renamed. Related to this,
+ removed the '-ssname' commandline argument.
+
+ * Fixed bug where 'Snapshot saved' appeared when taking snapshots in
+ succession.
+
+ * Added a 'Previous directory' entry to the top of each listing while
+ in ROM Browse mode, which is equivalent to the 'Go Up' button. This makes
+ it easier to navigate the filesystem, since you never have to 'tab out'
+ of the ROM listing.
+
+ * Added all sound related commandline options to the UI, so you no
+ longer have to use the commandline to set those options.
+
+ * Added new property to ROM properties specifying whether to swap paddles
+ plugged into a virtual port. This eliminates the need to manually set the
+ paddle mode for those ROMs that don't use paddle zero by default.
+
+ * Added a 'Defaults' button to the Game Properties dialog, which resets
+ the ROM properties to the internal defaults, deleting that ROMs properties
+ from the external properties file.
+
+ * Fixed bug whereby modified ROM properties weren't being reloaded when
+ restarting a ROM.
+
+ * Made 'phosphor' and 'phosphor blend' a ROM property, meaning it can be
+ set per-ROM.
+
+ * Added support for relocating the base Stella directory, by setting the
+ environment variable 'STELLA_BASEDIR'. This must be done each time before
+ Stella starts.
+
+ * Added '-fastscbios' commandline argument, which speeds up loading of
+ vertical bars in Supercharger ROMs, and made it the default.
+
+ * Added '-autoslot' commandline argument, which automatically switches
+ to the next available slot after saving a state. This defaults to off,
+ and must be set from the commandline.
+
+ * Fixed bug in debugger command 'runto', which could enter an infinite
+ loop under some conditions.
+
+ * Updated configure/build toolchain so patching is no longer required for
+ Debian packages.
+
+ * Removed dependency on PNG library (PNG snapshots are still present, but the
+ actual library is no longer required).
+
+ * For the OSX port, improved OpenGL performance on Mac Mini using Intel
+ GMA950 video hardware.
+
+ * For the GP2X port, added support for PAL ROMs, and updated SDL to use
+ hardware scaling.
+
+
+2.1 to 2.2: (April 7, 2006)
+
+ * Added new ROM browser option which works like a normal filesystem
+ browser, allowing navigation throughout the filesystem.
+ The old mode of browsing is still present, and can be toggled at
+ runtime. Related to this, fixed bug whereby sorting in the ROM
+ launcher sometimes didn't work.
+
+ * Integrated stella.pro properties into the application, resulting in
+ faster startup time. Now Stella can be redistributed as a single
+ binary; no external files are needed, but they will still be used
+ if present.
+
+ * Reworked ROM properties files once again. The 'user.pro' file has
+ been removed, and all user-defined properties are stored in
+ 'stella.pro' instead. You should delete all properties files when
+ upgrading to this version, to take advantage of the speed increases.
+
+ * Reworked settings files once again. Removed all references to a
+ global settings file. Each user now gets a user-specific settings
+ file only. If that file doesn't exist, the built-in defaults are
+ used.
+
+ * Added 'conditional saving' of the cheatcode and settings files, so
+ that these files are only written to disk when absolutely
+ necessary. This doesn't really affect desktop systems, but is very
+ useful for systems with flashram-based storage (GP2X, WinCE, etc).
+
+ * Reworked Settings class, hopefully fixing a bug whereby settings
+ weren't being saved in certain cases (most evident in the OSX port).
+
+ * Added 'tiadefaults' commandline option, which can also be toggled
+ from within the GUI. This option disables all TIA positioning
+ 'tweaks' that typically make a game look better, and present the
+ image exactly as it would appear on a real 2600.
+
+ * Added jitter-detection code for the paddle emulation, which should
+ eliminate an annoying 'jittering' effect when using paddles with
+ a Stelladaptor.
+
+ * Related to jitter-detection, added '-pthresh' commandline option
+ and GUI entry, which sets a bound below which the emulation detects
+ jitter.
+
+ * Fixed crash when adding one-shot cheats.
+
+ * Fixed bug in RAM comparitive searches in the debugger.
+
+ * Fixed bug with setting snapshot naming type from the GUI (it was
+ always being set to 'romname').
+
+ * Re-added low compatibility CPU emulation mode, since it benefits
+ some slower systems. This is activated with the commandline argument
+ '-cpu low'.
+
+ * For the OSX port, added Universal binary support.
+
+ * For the OSX port, reworked the menu handling, so that certain menu
+ options are only enabled when it makes sense to do so.
+
+ * For the GP2X port, fixed joystick deadzone issues and scroll bug in
+ ROM launcher.
+
+ * For the GP2X port, fixed issue with PAL ROMs causing a crash because of
+ screen size. A message is now shown indicating that PAL ROMs are not
+ yet supported.
+
+
+2.0.1 to 2.1: (January 29, 2006)
+
+ * Added phosphor effect, similar to z26. Useful on ROMs which alternate
+ sprites from one frame to another, resulting in an annoying flicker.
+ When using phosphor mode, a pixels colour is mixed with its previous value,
+ resulting in a blended image that doesn't flicker, emulating the
+ phosphoresence effect on a real television.
+
+ * Added 'pp' developer commandline argument to set the "Display.Phosphor"
+ property, and 'ppblend' to set the amount to blend pixels in phosphor
+ mode. Also added 'Alt p' key to enable/disable phosphor effect while
+ ROM is emulated. By default, phosphor mode is only used when necessary,
+ as specified in the stella.pro file.
+
+ * Renamed 'cheetah' commandline argument to 'cheat'.
+
+ * Added per-frame cheatcodes (4 characters long), which are evaluated
+ each frame.
+
+ * Added cheatcode GUI, where cheats can be named, edited, saved, etc.
+
+ * Cheat codes are now saved to stella.cht file and are automatically
+ reloaded when Stella starts.
+
+ * Improved 'joymouse' functionality. While in GUI mode, any axis will
+ simulate mouse movement, and any button will simulate a mouse click.
+ So the GUI can be completely navigated without a mouse.
+
+ * Improved CommandDialog and LauncherDialog wrt joymouse functionality.
+ These dialogs are used more than any other on devices without a mouse,
+ so joystick axis movement switches between GUI objects, rather than
+ simulating the mouse. This leads to much faster selection of objects.
+
+ * Added mapping of multiple SDL joystick axis to Event Mapping.
+
+ * Added joystick hat support, and mapping of multiple hats to Event Mapping.
+
+ * Added remapping of paddle emulation to the keyboard or joystick axis
+ (the mouse is still used by default for paddles). Related to this,
+ use more precise analog values when analog axis are mapped to
+ analog-type events (such as paddles).
+
+ * Treat joystick events as other types of controllers based on the virtual
+ port entry in stella.pro. This means that mappings for a joystick will
+ emulate other devices when necessary.
+
+ * Added 'sp' developer commandline argument, which sets the
+ "Console.SwapPorts" property and swaps the arrangement of the virtual
+ ports. Useful for games like "Raiders of the Lost Ark", where the
+ joysticks are normally swapped.
+
+ * Added ability to set which Stelladaptor device emulates which virtual
+ joystick port ('sa1' and 'sa2' commandline arguments, which accept
+ 'left' or 'right').
+
+ * Fixed issues with jittering joysticks/mice causing weird events when
+ starting Stella.
+
+ * Added 'freq', 'tiafreq' and 'clipvol' commandline arguments, which
+ affect the sound subsystem (see manual for further info).
+
+ * Made state files completely cross-platform, both in terms of endianness
+ as well as CPU size (32 vs. 64 bit).
+
+ * Fixed crash with using 'cheat' and 'break' from the commandline.
+
+ * Implemented dynamic loading of OpenGL library.
+
+
+2.0 to 2.0.1: (October 24, 2005)
+
+ * Added 'dirtyrects' support, which speeds up rendering for some Windows users.
+
+ * Fixed bug where taking snapshots would fail if the snapshot directory
+ wasn't specified.
+
+ * Made ROM launcher case-insensitive, so upper and lowercase names are now
+ mixed in the correct order.
+
+ * Fixed ZIP ROM support to search the archive for ROMs ending with either
+ .bin or .a26 (case insensitive).
+
+ * ROMs which don't have an associated properties entry are no longer named
+ 'Untitled' in the Stella window or when taking snapshots. The actual
+ ROM name is now used.
+
+ * Changed minimum height of debugger to be 27 lines in the prompt, or approx.
+ 700 pixels high. This should make using the debugger easier for users
+ with lower resolution monitors. Related to this, the RomWidget now uses
+ all possible vertical space when changing the debugger height.
+
+ * Fixed bug related to upgrading Stella and event mappings being incorrect.
+ Stella now detects this, and uses the default mappings. So upgrading
+ to version 2.0.1 means your event mappings will be reset.
+
+ * Fixed bug in loading debugger symbol files generated on different
+ operating systems.
+
+ * For the Windows port; added exe installer based on InnoSetup.
+
+ * For the Windows port; compiled icon into Stella, so it now looks like
+ a real Win32 application.
+
+ * For the OSX port, reverted window resize key combos back to 'Cmd =' and
+ 'Cmd -' to match the 1.4.2 release.
+
+
+1.4.2 to 2.0: (October 16, 2005)
+
+ * Added integrated GUI. Stella is now a fully graphical application, and all
+ settings can be changed dynamically while the application is running. That
+ means the commandline is no longer required (but support is still there
+ for those who want to use it).
+
+ * Added ROM launcher. You can now exit a game and start playing another one
+ from directly within Stella (you no longer have to quit Stella and
+ restart it).
+
+ * Because of the integrated GUI and ROM launcher, StellaX and KStella
+ (the Windows and Linux frontends) have been discontinued. The OSX
+ port now uses the launcher as well.
+
+ * Added an integrated debugger for game developers. This is currently
+ the first version of a debugger in Stella, but it's already quite
+ usable.
+
+ * Added new sound subsystem, which is much faster and more accurate.
+ Related to this, added stereo sound output (used by some homebrew games).
+
+ * Added ZIP support. Stella can now open ROM's compressed in zip
+ format.
+
+ * Added cartridge 'frying', thanks to Fred "batari" Quimby. This
+ emulates the action of turning the power button on and off on a
+ real Atari, often resulting in some strange effects.
+
+ * Added ability to edit current ROM properties from directly within
+ Stella, which can then be saved directly into the 'user.pro' file.
+ So creating a properties entry for a new ROM can be done without
+ any external tools.
+
+ * Added initial support for using Stella in an 'arcade-box'
+ environment without a keyboard. This consists of an in-game
+ menu for choosing common actions in Stella, as well as using the
+ joystick navigate the mouse pointer.
+
+ * Reworked properties system to use both a system-wide 'stella.pro' and
+ a per-user 'user.pro' properties files. Changes made by the user
+ and stored in 'user.pro' are no longer erased when upgrading Stella.
+
+ * Added support for cartridges with 3E bankswitching format.
+
+ * Added preliminary Cheat support.
+
+ * Added 'Alt/Shift-Cmd' z, x, c, v, b, n keys to enable/disable the
+ P0, P1, M0, M1, BL, PL bits in the TIA, respectively.
+
+ * Added 'Alt/Shift-Cmd .' key to disable all bits in the TIA.
+
+ * Added 'Alt/Shift-Cmd /' key to enable all bits in the TIA.
+
+ * Added 'Alt/Shift-Cmd g' key to switch dynamically switch between
+ software and OpenGL modes while Stella is running.
+
+ * Added 'Ctrl/Cmd r' key to reload the ROM currently being emulated.
+
+ * Added 'Alt/Shift-Cmd s' key to merge the current game properties
+ into the properties file.
+
+ * Added 'help' commandline argument. Launching Stella from the
+ commandline with no options now starts Stella in ROM launcher mode,
+ instead of showing help (as in previous versions).
+
+ * Added the following commandline arguments for developers:
+ "pro, type, ld, rd, tv, lc, rc, bc, format, xstart, ystart, width
+ height, cpu, hmove". Developers can consult the manual for
+ further details.
+
+ * Removed 'mergeprops' commandline argument, since there are now
+ dedicated keys to either save or merge game properties.
+
+ * Removed 'hidecursor' commandline argument. Stella will now
+ automatically decide when to use this setting.
+
+ * Fixed framerate when switching between NTSC and PAL modes. Stella
+ now uses the correct framerate based on the format of the ROM,
+ in terms of both video and audio.
+
+ * Added 'configure' support to the build process for both Linux and
+ Win32 (using MinGW). Developers can now use the familiar 'configure;
+ make; make install' commands to compile Stella.
+
+ * Further consolidation and integration of SDL. This should lead to
+ faster operation and a more consistent look for all ports.
+
+ * Fixed some 64-bit issues. Stella now compiles and runs correctly
+ on AMD64 and PPC64 Linux systems.
+
+ * Updated the Stella manual with pictures of the new integrated GUI.
+
+
+1.4.2a to 1.4.2b: MacOSX version only (February 27, 2005)
+
+ * Added fix to mute sound while user is loading a new cartridge, or using
+ the Preferences window.
+
+
+1.4.2 to 1.4.2a: MacOSX version only (February 21, 2005)
+
+ * Fixed problem in timing loop which was causing crashes after 15-30
+ minutes.
+
+ * Turned optimization on in compiler settings, which had somehow gotten
+ turned off.
+
+
+1.4.1 to 1.4.2: (February 19, 2005)
+
+ * Updated the sound system. All popping and cracking sounds that previously
+ occurred at program start/stop and when entering/exiting menu or pause
+ mode have been eliminated.
+
+ * Fixed the gl_fsmax argument to mean "switch to desktop resolution on
+ fullscreen OpenGL", instead of to the maximum possible resolution (the two
+ are not always the same).
+
+ * Added Alt [ and Alt ] keys to dynamically adjust the sound volume during
+ emulation.
+
+ * Added Control 0, Control 1, Control 2, Control 3 keys to dynamically change
+ which paddle the mouse should emulate.
+
+ * Added video_driver argument. This accepts the different options that can be
+ specified for SDL_VIDEODRIVER (see SDL homepage for more information).
+ Basically, it eliminates the need to set the SDL_VIDEODRIVER environment
+ variable.
+
+ * Made sure screen is refreshed before taking a snapshot. This eliminates
+ the problem with new snapshots containing the text "Snapshot saved".
+
+ * For the Windows port; added windib and directx as options for
+ 'video_driver' when using software rendering. The 'windib' option is now
+ the default, and in many cases it's up to 10 times faster than using
+ 'directx'.
+
+ * For the OSX port; added 'Cmd-R' key to reload the currently loaded ROM.
+
+
+1.4 to 1.4.1: (August 15, 2004)
+
+ * Fixed PAL sound issues. PAL games now should sound correct (no distortion
+ or missing sounds), but some games may still run too fast. This is still
+ a work-in-progress, and will be fixed in Stella 1.5.
+
+ * Cleaned up the SDL event gathering loop. This should hopefully fix the
+ problems with "double-pumping events" reported by some Windows users.
+ Event gathering and dispatching is now much faster as well.
+
+ * Fixed a bug where the Control or Alt keys could be assigned to some event,
+ but they could never be used. Control/Alt can now be used for any event.
+
+ * Updated stella.pro file to work with the latest Good2600 ROMset release
+ (Thanks go to Voch for helping to maintain the stella.pro file).
+
+ * For the Windows port; removed requirement for ROM files to be named *.bin
+ in the StellaX frontend. The ROM's can now have any name, but ZIP-files are
+ not yet supported.
+
+ * For the Windows port; fixed the problems with the included modified SDL
+ library and Windows 98 users. Stella should now run in Windows 98.
+
+ * For the OSX port; added preference to allow user to select the directory
+ in which ROM images are stored. This sets the default directory to start
+ the browsing for a ROM in, and doesn't preclude the user from selecting a
+ file outside that directory.
+
+ * For the OSX port; fixed preferences bug where Preferences changed before
+ a game was opened were not being saved.
+
+ * For the OSX port; fixed an issue which would prevent the program from
+ working with OSX 10.1.
+
+
+1.3 to 1.4: (July 17, 2004)
+
+ * Codebase ported to SDL. The DOS and X11 ports have been discontinued.
+
+ * Sound code ported to SDL. For the Linux versions, ALSA and OSS sound
+ support has been discontinued.
+
+ * The Linux, MacOSX and Windows ports are now based on the same codebase
+ and are actively maintained. That means simultaneous (and hopefully more
+ frequent) releases.
+
+ * A new Windows port has been created, with the GUI based on StellaX.
+ This is the first new release for Windows since Stella 1.2.
+ (software mode is not yet optimized; OpenGL mode works much better)
+
+ * A new Mac OSX port has been created by Mark Grebe. This is the first new
+ release for Mac OSX since Stella 1.2.
+
+ * Added OpenGL rendering support.
+
+ * Added more refined in-game GUI.
+
+ * Added event remapping. Emulation keys can now be remapped to the keyboard
+ or up to 4 joysticks.
+
+ * Added native Stelladaptor support. Joysticks, paddles, and driving
+ controllers have been tested.
+
+ * Digital sound support (used in games like Quadrun and Pitfall2) has been
+ greatly improved. Sound generation is now more tightly synchronized with
+ video updates.
+
+ * Added support for switchable palettes. Currently you can switch between
+ the current Stella palette, original Stella palette (pre-1.2 versions),
+ and the z26 palette.
+
+ * Added support for UA Limited style bankswitching (Funky Fish and Pleiades).
+
+ * Switched to using high compatibility M6502 mode by default. This means
+ old state saves from previous Stella versions will no longer work.
+
+ * The meaning of the "-sound" command line option has been changed. This
+ option now accepts either 'true' or 'false (1 or 0) to enable/disable
+ sound.
+
+ * Changed sound mixer functionality. The system volume/mixer settings will
+ never be changed; volume changes in Stella will only affect the
+ emulation itself.
+
+ * Added "-video" command line option. This option accepts either 'soft' or
+ 'gl', to use software/OpenGL rendering.
+
+ * Added "-gl_filter" command line option. This option accepts either
+ 'nearest' or 'linear', to use GL_NEAREST or GL_LINEAR filtering.
+
+ * Added "-gl_aspect" command line option. This option accepts a decimal
+ value specifying how much to scale the width of the emulation image
+ (useful for giving an authentic 'square-looking' 4:3 mode).
+
+ * Added "-gl_fsmax" command line option. This option accepts either
+ 'true' or 'false, and specifies to use the maximum possible resolution
+ when in fullscreen OpenGL mode (useful for Linux and for Windows on
+ laptops).
+
+ * Added "-fragsize" command line option. This option accepts the size to
+ use for sound fragments. Linux/MacOSX works well with 512, Windows seems
+ to need 2048. This value must be a power of two.
+
+ * Modified "-volume" command line option. If you specify '-1', Stella will
+ use the system volume.
+
+ * Renamed the "-pro" command line option to "-altpro".
+
+ * Renamed the "-fps" command line option to "-framerate".
+
+ * Removed the "-center" command line option. Stella now automatically
+ centers the window when possible.
+
+ * Removed the "-paddle real" command line option, since it never really
+ worked correctly (and Stelladaptor support adds that functionality
+ anyway).
+
+ * Removed all command line options relating to the X11 port
+ (owncmap, display).
+
+
+1.2 to 1.3: (February 17, 2003)
+
+ * Improved TIA sound system so that games with digitized audio work
+
+ * Added saving and loading of game state to the core; X11, SDL, and DOS
+ versions current support saving and loading game state
+
+ * Added support for F4 bankswitching method
+
+ * Pitfall II DPC sound emulation completed
+
+ * Fixed a bug which caused the difficulty switches to operate backwards
+
+ * Changed DPC auto-detection to use file size so that Pitfall II mods work
+
+ * Modified RIOT timer emulation so that startup values are random
+
+ * Added 3F bankswitching auto-detection routine so that homebrews and
+ demos work without a stella.pro entry
+
+ * Updated the TIA message boxes so they look a little nicer
+
+ * Latest stella.pro file included in distribution
+
+ * Added some developer options to the core, and the ability to change game
+ width, height, xstart, ystart, and others while the emulation is running.
+ Added ability to switch between NTSC and PAL at runtime, and the ability
+ to save the current properties to a file or to merge the changes into the
+ stella.pro file; X11 and SDL versions supported for now (compile option)
+
+ * External sound server for the X11 and SDL versions no longer required, as
+ all sound code is now integrated into the core
+
+ * Changed locations of the user's config files for the X11 and SDL versions;
+ the user's stellarc file is now located in $HOME/.stella/stellarc, state
+ files are located in $HOME/.stella/state/ and the stella.pro file is
+ located in $HOME/.stella/stella.pro
+
+ * Changed the way options are supplied on the commandline for the X11 and
+ SDL versions. Now all commandline options take exactly the same arguments
+ as in the INI file.
+
+ * Added "-accurate" command line option to choose between accurate
+ (CPU-intensive) timing or less accurate (CPU-friendly) timing to X11
+ and SDL versions. This is the final version of what was considered
+ experimental timing code in Stella 1.2.
+
+ * Added "-sound" command line option to choose which sound backend to
+ use (alsa, oss, sdl) with the X11 and SDL versions.
+
+ * Added the developer command line options to the X11 and SDL versions,
+ which are only activated in developer builds: -Dformat, -Dwidth,
+ -Dheight, -Dxstart, -Dystart, -Dmerge
+
+ * Fixed window resize bug in the X11 port
+
+ * Added "-nosound" command line option to the DOS port to disable audio
+
+ * DOS port supports a "-vsync" option to synchronize emulation with the
+ video blank of the video card
+
+ * Changed VGA code in the DOS port to use a 60Hz 320x200 and a 60Hz
+ 320x240 graphics mode
+
+ * DOS port has been updated to run better under Windows NT, 2000, and XP.
+ There are still issues with the sound, however, it is usable.
+
+ * DOS port is using a new Sound Blaster driver created by Matt Conte which
+ supports auto-detection of sound cards.
+
+ * DOS port supports a STELLA_HOME environment variable that defines
+ the location of config files.
+
+ * In the DOS port the stella.pro file is searched for first in the
+ current working director and then in the $STELLA_HOME directory
+
+ * In the DOS port the ROM image is searched for first using the
+ specified path, then in $STELLA_HOME/ROMS, and finally in $STELLA_HOME
+
+
+Cyberstella 1.2.1 (May 16, 2002)
+
+ * Removed the built-in games until some legal stuff is sorted out
+
+
+Cyberstella 1.2 (May 10, 2002)
+
+ * Initial release of a new WIN 32 port of Stella
+
+
+DOS 1.2 to DOS 1.2.1: (April 28, 2002)
+
+ * Fixed a bug with control keys being confused with the pause key
+
+ * Fixed a bug with the pause key causing the application to lockup
+
+
+1.1 to 1.2: (April 21, 2002)
+
+ * Improved illegal CPU instruction support. Thrust and Qb will now operate
+ correctly.
+
+ * Improved emulation of undefined TIA reads. The ball in Video Pinball
+ finally bounces off of the paddles!
+
+ * More accurate NTSC and PAL palettes. These palettes should be much more
+ like the colors displayed on a real TV.
+
+ * PAL color loss is now emulated. If a PAL game displays an odd number
+ of scanlines then the next frame will be displayed in black & white.
+
+ * TIA emulation improved to fix some problems with Pole Position,
+ Fatal Run, Dolphin, Decathlon, Robot Tank, and Hole Hunter.
+
+ * Support for Pitfall II has been added, however, the enhanced sound
+ provided by the DPC chip found in the Pitfall II cartridge isn't
+ currently emulated.
+
+ * Support added for the Commavid (CV) bankswitching method.
+
+ * Support added for the Megaboy cartridge.
+
+ * Improved Supercharger emulation including a new BIOS that shows the
+ vertical blue progress bars like the real thing.
+
+ * Code for the emulation core has been updated to work with newer C++
+ compilers compliant with the C++ standard.
+
+ * Basic message support added to the TIA emulation. This allows a short
+ message to overlay the TIA frame. Currently, it's used when switching
+ color modes and difficulty settings.
+
+ * The internal data structure for the stella.pro file was changed from
+ a resizable array to a binary search tree. This results in quicker
+ startup times.
+
+ * An SDL port of Stella is available (requires SDL 1.2.0 or greater)
+
+ * Added option to not load in the whole stella.pro file when starting
+ Stella. This option is enabled on the X11, SDL, and DOS versions. Win32
+ version is left alone since it's needed for loading multiple games from
+ the UI. Saves on memory usage.
+
+ * Added INI file option to the X11 and SDL versions. Options can be
+ specified in this file instead of entering them on the commandline. Any
+ options entered on the commandline override options in the INI file.
+ File is called stellarc. For the X11 and SDL versions, it can be in
+ either $HOME (as $HOME/.stellarc) or in /etc (as /etc/stellarc). The
+ one in $HOME has higher priority than the one in /etc.
+
+ * Added snapshot support to the X11 and SDL versions. Pressing F12 saves
+ the current screen in PNG format. Requires PNG library.
+
+ * Removed stella.pro file from the binary, resulting in large space
+ savings. The stella.pro file is no longer optional. For the X11 and
+ SDL versions, it can be in either $HOME (as $HOME/.stella.pro) or in
+ /etc (as /etc/stella.pro). The one in $HOME has higher priority than
+ the one in /etc. For DOS and Win32 versions, the stella.pro file must
+ be in the same directory as the executable.
+
+ * Added pause functionality to the core. Implemented in DOS, X11, and
+ SDL versions for now.
+
+
+1.0 to 1.1: (February 26, 1999)
+
+ * DOS and Linux versions support real Atari 2600 paddles using a
+ special PC game port adaptor
+
+ * Linux version uses the new 1.2.x joystick driver API
+
+ * Added support for the "-display" option to the X Window version
+
+ * Added support for private colormaps to the X Window version
+
+ * Fixed a few bugs in the Supercharger emulation
+
+ - A major bug in the ROM loading routine was fixed
+
+ - Multi-loading in "Escape from the Mindmaster" works correctly
+
+ - All Supercharger games load and execute at this point
+
+ * Added a small hack to the TIA code to fix a display problem in "Escape
+ from the Mindmaster"
+
+ * Improved TIA emulation to support the RESPx multi-sprite trick
+
+
+1.0b1 to 1.0: (October 7, 1998)
+
+ * DOS version supports 320x200 and 320x240 graphics modes
+
+ * Several portability issues have been resolved
+
+ * Preliminary support for Chris Wilkson's Megacart bank-switching scheme
+
+ * BSDI target included in makefile
+
+ * Improved Users Manual in several "popular" formats
+
+
+0.7 to 1.0b1: (July 25, 1998)
+
+ * Supports the following controllers:
+
+ Joysticks, Paddles, Booster-Grip, Keyboard and Driving
+
+ * Supports the following bank switching methods:
+
+ 2K, 3F, 4K, AR, E0, E7, F4SC, F6, F8, F8SC, FASC,...
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