as 'const', and return types are closer to the actual type of data
returned.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1985 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1983 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
the debugger. Still TODO is add debugger patch support.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1982 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1981 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1980 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
from the write port. Basically, the cartdebug class depended on the
console existing, but it wasn't being created until after it was required.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1979 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
4A50 and FA.
Fixed bankcount for 3E carts to also consider the RAM slices.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1978 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
class to the CartDebug class, since it's really a debugger feature.
Fixed comments on some of the methods in CartDebug.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1977 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1976 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1974 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1973 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1971 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1970 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
AtariAge. Basically, this is an enhanced version of the DPC class used
by Pitfall2.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1967 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1966 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1965 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1964 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
the BoosterGrip 'booster' button, since they both use the same analog
pin (pin 5).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1958 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1954 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1953 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1950 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1942 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1937 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1922 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
The license file is actually named 'License.txt', not 'license'
The 'Stella Team' has a capital T, not lowercase.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1921 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1919 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1915 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
will be integrated intp CpuDebug, which will also be merged with distella.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1914 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
them in under src/emucore/m6502/src, and bspf under that again at
bspf/src. It just made searching for classes that much harder.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1907 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1906 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1901 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
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.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1900 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
Fixed BSPF_ARCH macro to correctly detect i386 and x86_64 in Windows.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1898 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
version and SDL library.
Bumped version # for test builds for AtariAge members.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1897 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
breaks to test whether an illegal read to the write port of cartridge
RAM has occurred. It can be used as follows:
breakif {_rwport == 100} // break if read was done at wport address 100
breakif {_rwport} // break if read was done at *any* wport address
This currently works for all extended RAM carts that worked before.
Specifically, 4A50, DPC, AR and possibly several others aren't supported
yet. More testing is required.
Renamed CartFASC and CartMB to CartFA and CartF0, respectively. This
naming now matches that used in other emulators.
CartMC now properly handles read from write port, by using random
values instead of just zero. However, no test ROMs are available for
this scheme, so there may still be issues.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1896 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
The values written and returned in such a case are now more accurate,
and are a combination of the previous databus value and randomization
(the latter emulating the randomness of Z-state bits). This provides
more accurate emulation than before, where zeros were used instead.
In particular, types 3E and E7 are now working correctly for the first
time. Thanks to Batari for suggestions in this area.
Moved random number generation from Cartridge to System class.
The Subversion build number is now shown in the AboutDialog box.
Still TODO is add architecture information (i386, x86_64, etc).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1895 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
was duplicate code in many Cart classes and in M6532 class, and since all
these classes are subclasses of Device, it made sense to move the
functionality there instead.
Carts 3E and E7 now return a random value when attempting to read from
the write port. Still TODO is determine what happens to the value at
that address (is it randomized or zeroed?). Thanks to Batari for
suggestions and sample code.
Fixed bug in E7 carts when entering the debugger; bankswitch was being
inadvertantly triggered which caused emulation to fail.
Overall, I need to figure out exactly what happens when reading from
the write port for all carts with extended RAM. There are two things
to consider: what value is written to the address, and what value
is returned.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1892 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
determining whether we're running in 32 or 64-bit mode on a particular
system (especially in OSX, where the same app could contain up to 4 actual
builds).
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1889 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
objects. These actions are tied to the same keys as for toggling the
objects themselves, with the addition of the 'Shift' key. For example,
toggling the P0 object is 'Alt z', and toggling P0 collisions is
'Shift-Alt z'. Note that disabling an object will obviously disable
its collisions as well. Still TODO is work out how these keys map on
OSX; the Shift key is already being used for something else.
Reverted Cosmic Ark 'starfield effect' to match the descriptions
given in the 'Stella 3.0 released' thread on AtariAge. It seems the
system I tested this on has an Svideo mod board that changes the
output from a normal console.
Bumped state file format header, since the TIA internals have changed
again. As well, bumped version # to 3.1_svn.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1884 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
debugger disassembly improvements, so it will have to wait until 3.1.
Updated various files for impending 3.0 release.
git-svn-id: svn://svn.code.sf.net/p/stella/code/trunk@1874 8b62c5a3-ac7e-4cc8-8f21-d9a121418aba
stephena