database, it now has its extension removed (.bin, .a26, etc).
Symbol and config files are now loaded when the debugger is first entered,
not when the ROM is actually loaded. This speeds up ROM loading, since
the user may never need to access these file (ie, they may never enter the
debugger).
The debugger 'loadconfig' and 'saveconfig' commands are now implemented.
Bumped version # for next test release.
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Basically, directories are now guaranteed to always end in the path
separator. Ensuring this makes certain sections of code work faster,
and guaranteeing it allows higher layers of code to not worry about it.
Added 'cfgdir' commandline argument, to specify the default directory
for Distella-like Stella-compatible config files.
Implemented 'loadconfig' debugger prompt command. It's currently
working great with several test config files provided by Omega of
AtariAge.
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mouse button context menu in the disassembly listing. This is used to
set the default display format for GFX data sections (currently, binary
and hex are supported).
Fixed bug in several debugger input areas to accept the '\' symbol.
This symbol is needed when entering data in binary format (it must
prefix the data if the default base for that field isn't binary).
Added 'jump' debugger prompt command, used to scroll the disassembly
to the given address (or there-abouts, if the address isn't valid).
Editing data in the disassembly now won't cause the display to jump to
the current PC. The display will only move to the PC when it actually
changes.
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'Virtual Devs' tab to 'Devices & Ports'. Updated documentation and
snapshots for this change.
Added Halo 2600 ROM info to internal properties database.
Increased default setting for 'joydeadzone' from 0 to 13. This means
the default deadzone is somewhere around half the axis range (~16500).
Fixed behaviour of hat events; events weren't actually being turned off
until the stick was centered.
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Added 'ramrandom' commmandline argument, used to toggle randomizing or
zeroing or all RAM in the system (both zero-page and SARA).
Disassembler now properly supports all test cases, including rewinding
within the debugger.
Added preliminary support for disassembling from zero-page RAM.
Bumped version # for final release.
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The disassembler now accepts a range of start addresses and remembers
old entry points, so the disassembly becomes more complete each time
the debugger is used.
Changes to address offsets within the same bank are now supported
(ie, changing from $fxxx to $dxxx within the same bank properly
updates the display).
Re-added ability to manually change banks from the debugger prompt
and the disassembly UI. This now works correctly with the Distella
code.
Cleanup of the Cartridge::bank(...) API: if a bank cannot be changed,
the calling code will now know about it. This fixes confusion with
some ROMs, whereby changing a bank in the debugger prompt would print
a success message even if the operation failed.
Note that these changes have broken rewind in the debugger. Actually,
it only exposes problems that the rewind functionality already had :)
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Some messages now use a smaller font, so the UI doesn't look quite
so monotonous.
SliderWidgets suppport the mouse scroll wheel to change values.
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matched anything most of the time. Also, as this operation can take
a somewhat long time on slower systems, a progress bar is now shown.
Fixed handling of bit 6 in VBLANK TIA register, which is related to
how INPT4 and INPT5 are handled. This fixes at least one ROM that
should have failed in Stella, but didn't.
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method is only used in windowed mode. This eases the requirements
of the method, since fullscreen code need not be added.
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is update the documentation for this.
Fixed bug reported by Buzbard from AtariAge concerning very large images
in the RomInfoWidget being clipped too small.
Reworked 'center window' functionality. Using the SDL_VIDEO_CENTERED
environment variable was always a hack, and a bug was introduced in X11
OpenGL mode in version 1.2.14. However, since SDL is now in maintenance
mode and won't be receiving any further updates, we have to bypass it
entirely. Added infrastructure for OSystem to center the application
window. For now, only Linux X11 mode is supported. Still TODO is add
support for Windows. OSX was never supported anyway. This also means
that the center window variable no longer requires the application to
be restarted.
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present, and it properly loads and presents events from settings.
Still TODO is implement saveConfig(), to send the new events to EventHandler.
Modified ContextMenu/PopUpWidget to honour the 'mwheel' setting when
scrolling with the mouse wheel (previously, it always scrolled at 1 line
at a time).
Updated OSX project files for recent ComboDialog addition.
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on AtariAge. It seems the documentation regarding port B is incorrect.
Pins previously defined as input/read-only *can* in fact be set as output,
which are then overridden if the console switches are pressed.
Or at least that's my understanding of it; I'm not entirely sure if this
is correct or not.
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these bits were ignored, and treated as high all the time. A recently
reported Stella tracker posting noted that these bits could be
configured by SWBCNT to be input or output, and hence used as 3 extra
bits of storage. This is now enabled. Because of these changes, the
state file format has also changed.
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1) Added a 'Reset' button to the UI, which resets (to defaults)
the currently selected item. This is more fine-grained than the actual
'Defaults' button, which resets *all* events.
2) Rearranged some buttons and resized UI. There is now a main 'Defaults'
button on the bottom of the dialog, which applies to the currently selected
tab. This also allows to set defaults for Virtual Devs, which didn't have
such functionality previously.
3) Added a 'Combo' button to the Emulation events tab. It doesn't do
anything yet, but eventually will allow to assign events to the 'combo'
events.
ContextMenu/PopupWidget now supports the scroll button on a mouse when
in scroll mode.
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smaller than 640x480. Basically, the only way to use smaller modes is
on systems that report their desktop to be smaller than 640x480, or by
using the maxres commandline argument to simulate the same thing.
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Stella can use (320x240). The app should no longer crash in such
low-res situations.
Various improvements to the UI, adding many finishing touches. The
text is more descriptive, and the options are somewhat better labeled.
As well, the available options are better presented based on the
restrictions currently in use (ie, if the maximum resolution is very
small, then the high-res resolutions are not shown in selectors, etc).
Added MessageBox to ROM Audit functionality, to warn that it is a
dangerous operation and that a file backup is advised.
Updated OSX build script to not crash when an older image has already
been created.
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window mode. Using modes smaller that 640x480 should now work in
all cases when using the 'maxres' commandline argument. Also, the
lower limit of 320x240 is now strictly enforced in all cases.
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are multiple normal events that are called in sequence. The
infrastructure is in place to use these events, and they're
loaded/saved in the 'combomap' commandline argument. Still
TODO is add a UI to edit the events (manually editing the
config file is really tiresome).
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the UI.
Modified the ROM launcher to display a messagebox when running Stella for
the first time (which currently means when the 'romdir' hasn't been set).
This messagebox suggests setting the default ROM directory, and if the
user clicks on 'OK', only then is the ROM directory file browser
displayed.
Reworked some of the event handling methods in EventHandler to save
function calls on every event.
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Also, fixed a potential future bug where Stella can't handle paletted
images. Basically, the error handling is now more robust.
Minor rework of the CartF8 class; it now looks the ROM MD5 directly and
decides if it's a 'special' ROM.
Several updates to the built-in properties database, including better
support for each game in the 8-in-1 ROM image.
Fixed crash in TIA handling of the playfield mask; it could cause a
segfault under certain circumstances.
Fixed bug in prune_snapshots script; it now properly handles directory
names containing spaces in both Linux and OSX (and probably Windows as
well, but this hasn't been tested).
Updated built-in PNG library to the latest version (1.4.3).
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This fixes a bug in exiting pause mode, and 'remembering' the
events that were set previously.
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axes. It shouldn't be nearly as sensitive now.
Cleaned up handling of joystick hats, and fixed continuous events
(so that holding down a hat now sends continuous events until the
hat is centered again).
Fixed bug in prune_snapshots script; it didn't work with a snapshot
directory name containing a space.
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been chosen), a dialog box now appears, asking the user to enter the
default directory. This directory will appear each time the ROM launcher
is entered, until the user selects a directory. This will hopefully
eliminate bug reports from users that don't know what to do when first
starting Stella.
Big changes to the manual, separating the necessary, up-front information
from the advanced stuff that can be considered later (or not at all).
Also added more links to ease navigation. This should make the manual more
readable for those that have complained it's too long.
The setting for TV color type is now 'Color' and 'BW', instead of
'BlackAndWhite', as before. The old one will continue to work, though.
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when sending axis events to the DialogContainer (ie, all UI-related stuff).
The UI code was originally written with this in mind, and wasn't designed for
analog input. For normal digital sticks, nothing changes. For analog sticks,
values are clamped to 3 points (max, min, off), and repeated consecutive
events are ignored. This (partially) fixes bugs in the UI, where pressing
an analog stick would cause the current selector to move very fast.
Added repeat mode for joystick hats, similar to joystick axes (so holding
down a hat will cause continuous events to occur. More testing is
required for this, as I don't actually have access to hats right now.
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systems where gettimeofday doesn't exist. Basically, the functionality
for OSystem::getTicks() has changed to always output an increasing
value each time it's called, even between program runs (needed for
timestamps for continuous snapshots, but also for similar things in
the future). It does this by refering to some set time in the past,
which is currently the UNIX epoch.
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so they don't overwrite previously created files. This timestamp is
related to the millisecond that the snapshot was taken, so there's no
chance of overlap (snapshots can only be taken every 1 second / 1000
milliseconds at most). The appended value is an 8-character hex
representation of this 32-bit value.
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efficient, and use macros that have already been defined.
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now properly detected as E7.
Some minor cleanups to the Cart classes.
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Bumped version number so development can start on the next
release.
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(ie, disabling from the UI kills the UI on future runs, so you can't
enable it again). This should fix problems where users go
'click-happy' in the UI, turning options on and off just to see what
happens.
Added 'showinfo' to the UI, so you don't have to drop to the
commandline to use it.
Updated all release files and bumped version number for 3.1.2
release.
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These have ARM code appended to the beginning of the ROM, which is
(for now) ignored by Stella.
Improved memory usage for DPC and DPC+ schemes, so that an extra
copy of the ROM image is no longer required. This also fixes a bug
in the getImage methods, which wouldn't have actually returned any
changes made by patching the ROM (it always returned the original,
non-modified copy).
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an outputstream. For now, the output simply goes to stdout or stderr,
just like before, but the possibility is now there to redirect to a
file if desired.
Changed 'showinfo' commandline option to accept 'levels' of output
instead of simply being a boolean. The new default is level 1,
in which normal messages are output during a run. Level 2 will
show more detailed info, and may be useful in debugging end-user
problems. There's still more work to do wrt level 2.
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of OSX. It was partially caused by 'negative time', or successive
calls to SDL_GetTicks() returning smaller values than previous calls.
This obviously totally confused the timing logic, which was never
designed for time to go backwards. Related to this, setting the
framerate to 0 from the VideoDialog UI (indicating that auto-frame
should be used) ended up setting the time-per-frame to approx. 71
minutes, resulting in a delay of 71 minutes to the next frame
(which is what caused the 'lockup').
Changed all references to the Intel OSX build to also mention OSX
Snow Leopard (10.6), since the build won't run on 10.4 or 10.5.
Bumped version number to 3.1 (again). Hopefully this is good to go.
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final support for this completed before the 3.1 release next week.
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Updated all remaining issues with the documentation and
changelog, and bumped the version # to 3.1.
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The file selector in Windows now ignores all items starting with '.', not just the directories '.' and '..'. This is most apparent when using the Windows port and browing Linux shares, which shows many dot files.
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1) the interval between snapshots can be configured within the
'File Settings' dialog
2) the commandline option is now named 'ssinterval' instead of 'ssdelay'
3) the action is tied to the 'Alt/Cmd-s' key instead of a function key
There's just one more small issue to take care of in the Windows port,
and the next release should be ready.
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key. This enables automatically taking snapshots every X seconds
while in emulation mode. The interval (in seconds) can be set
with the 'ssdelay' commandline argument.
Some minor cleanups to the EventHandler methods, making them
const when possible.
Added latest DPC+ changes from Spiceware.
Fixed issue with ROMs that run entirely from ZP RAM; no disassembly
was being generated when entering the debugger. For now, this
special case is detected, and the disassembly is generated for
the code that ran before the PC entered ZP RAM space. Eventually,
this will go away when the Distella fully supports disassembling
below 0x1000.
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informs the rest of the system about how a page of address
space is to be treated (READ, WRITE, READWRITE). This makes it
much easier to track if a read from the write port has occurred.
As such, the _rwport command should now be somewhat faster.
Eventually, the debugger/disassembler will use this info to
colorize the output.
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1) Removed all references to FBO in OpenGL. I won't be taking this
path, and will wait until SDL 2.0 integrates it directly. In fact,
most of the OpenGL TV filters will disappear in the next release, to
be replaced with Blargg NTSC filtering.
2) Defined the remaining color constants in OSystem.
Re-added showing the results of parsing debugger script commands
in the prompt.
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'Stephen Anthony' (aka, me) in addition to Brad Mott as copyright
holders for Stella. I think I've been with the project long
enough now (almost 10 years) to justify being specifically mentioned
above and beyond 'the Stella Team'.
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Bumped state file header for 3.1 release, indicating that all older
state files will no longer work.
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to 'resolvedata', since that more accurately describes what it does.
Also, it now accepts arguments as strings (never, always, auto)
instead of 0, 1, 2.
Updated main documentation for changes in OSX port 'basedir'.
Updated debugger documentation for recent command additions, and
provided new snapshots where the UI has changed.
It seems to be getting close to a new release - perhaps this
coming Friday.
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post-3.0), and reworked how state files are accessed. The cart type
now determines if a state file is valid, meaning developers can use
one state file across multiple builds of their program.
Added 'runtopc' debugger command, and associated UI item in the
RomWidget area. This steps the code until the PC matches the given
value.
Added '16in1' bankswitch scheme, which is useful for ROMs named
'128-in-1' in RomHunter database. Also, all multicart schemes now
show the current ROM onscreen while switching between them.
Fixed bug in Serializer class when accessing files in read-only mode.
Such files would be created and set to zero size, even if only
reading was requested.
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Changed 'basedir' location of OSX port to
'~/Library/Application Support/Stella', which is more in line
with Apple guidelines (not to mention it's not a hidden
directory, so it can be seen in Finder).
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Removed final traces of SpeakJet emulation (the SpeakJet class).
It doesn't look this is ever going to be resurrected.
Tab completion results in the debugger prompt widget are now sorted.
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release. This won't have everything I'd have liked to include,
but the release time has dragged on enough (the last release
was in Sept 2009!).
Some general code cleanups for the OSX port, as well as fixes
to the menus. The menus contained items that in some cases
weren't actually tied to any event, or showed the wrong
shortcut key. Also removed some of the more esoteric menu
items, sticking with only the most basic ones (fullscreen vs.
window mode, volume control, etc).
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disassembly instead of re-disassembling again. Still TODO is make the
search case in-sensitive.
Added latest DPC+ code from Spiceware.
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as 'const', and return types are closer to the actual type of data
returned.
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really aren't that many ROM banks. This is done so that the RAM banks
always start at number 256.
Added latest DPC+ updates from Spiceware.
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the debugger. Still TODO is add debugger patch support.
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how this scheme works, so I have to research further before adding
patch support. But before that even happens, I need to fix out why
entering the debugger in locking the ROM and eventually crashing Stella.
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and E7. DPC and DPC+ currently do not modify the DPC address space
on a patch; more research is required to figure out how to handle this.
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from the write port. Basically, the cartdebug class depended on the
console existing, but it wasn't being created until after it was required.
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4A50 and FA.
Fixed bankcount for 3E carts to also consider the RAM slices.
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class to the CartDebug class, since it's really a debugger feature.
Fixed comments on some of the methods in CartDebug.
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when their address space has been modified by poke. Any writes done
inadvertently by reading from the write port are also flagged. This flag
is used by CartDebug to determine if cart address space has changed.
For now, it uses this information to do a complete re-disassembly.
Entire bank changes are signaled by setting myBankChanged to true,
which overrides the page dirty flag and short-circuits testing for it.
Still TODO is add support for 'AR' bankswitching, and fix the patch
method for several schemes.
Added latest DPC+ updates from Spiceware and Batari.
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whether the range 0x1000 - 0x1FFF (aka cart space) has been modified, and
if so, it forces a re-disassembly. Still TODO is modify all the cart
classes that manually handle poke operations to set the page as dirty
when a write actually succeeds.
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The idea is that all direct-access pokes will set a flag indicating that
the page containing the poked address is set to be dirty. Devices that
handle their own pokes will have to be updated to set this dirty flag too.
Overall, the point is to enable the debugger to know whether cart space
has been modified, and use that knowledge to selectively do a
re-disassembly.
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or rewind command.
Updated 'FE' bankswitch scheme to the new disassembly infrastructure;
it now properly indicates that it has two banks, and keeps track of
when the bank changes.
Some cleanups to CartXXX classes; most methods didn't need to be
virtual.
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over onto the opposite side of the screen. Breakpoints set by clicking
in RomListWidget only apply if they've actually been enabled. This
fixes a bug whereby a breakpoint could look like it is enabled when
it really isn't. Related to this, breakpoints cannot be set for
disassembly lines that don't contain a valid address or an empty
bytes area (basically, empty lines and lines containing '.byte' items).
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AtariAge. Basically, this is an enhanced version of the DPC class used
by Pitfall2.
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disassembler. Hopefully this will lead to a new release very soon.
Added 'autocode' commandline argument and associated UI item (in the
RomWidget debugger area), which controls how Distella will use the
'automatic code determination' option. If set to 0/never, this is
completely disabled. If set to 1/always, it is always enabled.
The default is 2/automatic, whereby it is first turned on, and then
turned off if the disassembly doesn't contain the current PC address.
RomListWidget has now been completely reworked, so that it informs
RomWidget of its intent to change breakpoints and patch ROM. If
either of these fail, the action won't be performed, and more
importantly, it won't appear onscreen as if the action has succeeded.
This fixes an old bug whereby patching could fail, yet the onscreen
ROM data was actually changed. Related to this, the list has been
made as efficient as possible, and its contents are never un-necessarily
copied. Also, lines in the disassembly that cannot be modified no
longer show an edit area.
Due to the way the new disassembly works, you can no longer switch between
banks in the RomWidget (Distella would probably fail to disassemble in
such as case).
EditTextWidget can now indicate its contents have changed when adding
text to it.
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This is very useful for conditional re-disassembly, since many bankswitch
schemes consist of ROM only, and once disassembled, cannot possibly have
a different disassembly at some later point. This is mostly done for such
static schemes (2K, 4K, etc), but more work is required for carts with
extended RAM. Basically, the cart knows best how its been accessed, so
it makes sense to have the hints there.
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handling to C++ stringstreams instead of C-style character arrays,
which fixed some segfaults (sprintf is evil).
First pass at tying the number of banks to the disassembly. The idea
is that the startup bank (which is now identified by the cart) always
starts at address at 0xfffc, while the other banks are defined by the
PC at the first time we enter the debugger. This is still a WIP,
since there's no actual checking done yet to see if the current PC
is in the current disassembly.
Added 'ctrlcombo' commandline argument, which completely disables
checking for Control-x key combos. This is useful when playing
2-player games where the 'f', 'r' and 'Control' keys are supposed
to be treated separately. Previously, pressing Control and 'r' or
'f' processed some other action (change framerate, reload rom, etc).
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the BoosterGrip 'booster' button, since they both use the same analog
pin (pin 5).
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the mouse and the keyboard arrow keys). Still TODO is change the scroll
placeholder text into something that looks a little nicer (perhaps a
graphic arrow or something).
Added output of field header names when using 'listrominfo'. This makes
it very easy to see what each column actually represents.
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the one in the database isn't actually the most authentic, original one.
The output from '-listrominfo' command now includes all ROM property info,
making it useful for generating a list that can be imported into a
spreadsheet or database (or otherwise manipulated by some emulator
frontend).
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controller uses the directional pad and button 'B' as a normal
joystick, but can also use button 'C' as a second 2600 button
(with the logic reversed).
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is now enforced in more areas of the code, specifically, in BrowserDialog,
VideoDialog and InputDialog.
Rearranged some options in InputDialog (for spacing), and removed the
'mouse is paddle ...' option. It was never being saved to the config
file anyway, and is still selectable with Ctrl-0,1,2,3 keys.
Added 'maxres' commandline argument, which overrides the built-in
determination of desktop size normally done by SDL. This is not
documented, and is not meant to be used by anyone other than those
testing Stella on 'small' systems. It's basically a way to set the
desktop size without recompiling Stella each time.
Still TODO is look at all other dialogs, making sure they fit in the
minimum size. PopupDialog in particular needs to be fixed.
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320x240 (the minimum that Stella supports). On 'small' systems using
1x video mode, this means most NTSC games will open in a window of size
of 320x240, even though the native size is normally 320x210 (or so).
In these cases, the image will be centered vertically.
Added FrameBuffer::invalidate(), used to signal that the complete
framebuffer can be trashed and entirely written over. This is only
active in software mode for now, where it fixes 'overdraw' problems
with 320x240 dialogs drawn underneath 320x210 TIA images.
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classes. First off, the distella code has been integrated into a
DiStella class. This code isn't yet tied to the debugger, but it does
at least compile and generate valid output.
The RamDebug class has been replaced by a CartDebug class, which
takes responsibility for the previous RamDebug stuff as well as
things related to Cart address space (read from write ports,
disassembly, etc).
Fixed E7 bankswitching when reading from the write port in the upper
256byte area.
Fixed 'read from write port functionality' in general for all carts
that supported it previously. Basically, if _rwport is enabled, the
address is checked to be an actual read (vs. one that's part of a
normal write cycle), *and* it's actually an illegal access (each
cart/bankswitch type now provides a hint to indicate this condition).
Still TODO is clean up the rework, properly integrate DiStella, and
fix labels and defines (which seem to be completely broken).
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The license file is actually named 'License.txt', not 'license'
The 'Stella Team' has a capital T, not lowercase.
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from write port was correctly detected for the 1K area, it was actually
zeroing ROM instead of RAM!
Added support for 'read from write port' logic for the upper 256 byte
page in E7 bankswitching.
Bumped version # for release to testers on AtariAge.
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is related to the currently running ROM. If enabled (the default and current
behaviour), state files that do not match the currently loaded ROM will not
be loaded. Otherwise, the state file will attempt to load. Note that in the
latter case, this will probably cause 'bad things' to happen. It's mostly
for developers who are constantly recompiling a ROM, and wish to use a
previously created state file even when the ROM MD5 changes.
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will be integrated intp CpuDebug, which will also be merged with distella.
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them in under src/emucore/m6502/src, and bspf under that again at
bspf/src. It just made searching for classes that much harder.
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get nearly enough attention. This is about to change, since I'm moving
to using it full time at work (still Linux at home though!).
The 'Control' key modifier for OSX is now the actual Control key, just like
on every other platform (instead of Command). The 'Alt' key modifier for
OSX is now the Command key (instead of Shift-Cmd). Maybe in the past it
made sense for this, when keyboards weren't the same between platforms, but
that's no longer the case. And since Stella requires at least OSX 10.4,
everyone using it from this point on probably has newer hardware.
Still TODO is consider a few special keys for OSX (minimize, hide, etc).
Updated documentation for new key combos, as well as the recent build
and debugger improvements.
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properly distinguishes between intermediate reads which are part of writes,
and ordinary reads. In the former case, only a read which has a different
address than a write is flagged as an error; intermediate reads acting on
the same address as the corresponding write are considered normal, and won't
trigger a break.
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controlled by 'tiafloat', which has now been removed. Now, all
undriven pins take on the last value on the databus. This fixes a bug
in those reads where bit 6 or bits 6 & 7 are also undriven (previously,
these bits would always be zero, and only bits 0-5 were from lastdatabus.
Added new commandline argument 'tiadriven', which defaults to false.
In this default case, relevant bits take on values from the databus.
If true, relevant bits still take on databus values, but some are
randomly driven high as well. This helps to expose bugs when
developers assume the values for undriven/floating bits.
Added 'uimessages' commandline argument and associated UI item. When
disabled, messages which are normally shown in-game are disabled.
Certain messages which indicate a serious error are still shown, however.
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Fixed BSPF_ARCH macro to correctly detect i386 and x86_64 in Windows.
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stephena