| Commit message (Collapse) | Author | Age | Files | Lines |
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Galibert]
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Don't remove and reinsert nodes that correspond to a duplicate memory
access, because tree rebalancing kills performances. Update the node's
element content instead.
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The curpc can be in the middle of an instruction being decoded, so
it is not pertinent to recompute the disassembly starting from
this address.
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Fixed an annoying inconsistency between memory_share and memory_region:
the width() method of the former returned the width in bits (8, 16, 32 or 64)
while the width() method of the latter returned the width in bytes
(1, 2, 4 or 8). Now both classes have a bitwidth() method and a bytewidth()
method. Updated all callers to use whichever one was more appropriate.
Removed the implicit-cast-to-any-integer-pointer ability of memory_regions,
which was rather unsafe (if you weren't careful with your * operators and
casts it was easy to accidentally get a pointer to the memory_region object
itself instead of to the data, with no warning from the compiler... or at
least I kept doing it) Updated all devices and drivers that were accessing
regions that way to use a region_ptr_finder when possible, and otherwise to
call base() explicitly.
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warnings of clang 3.5 when compiling MESS (nw)
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watchpoints continue to work as expected [Alex Jackson]
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left same as before [Miodrag Milanovic]
-Created osd_options as base option class for non-system specific options
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Some minor enhancements to dynamic_array, including clearing to specific values
and expanding and clearing newly allocated values.
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to new license tagged form.
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It now shows breakpoints for all CPUs and lets you sort by
each field.
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pcatmem(p|d|i). [Andrew Gardner]
Fixes left-click selection bug in the memory window. [Andrew Gardner]
Explanation:
------------
Call trackmem to start tracking which PC writes to which address in memory and
pcatmem(p|d|i) to query a memory region for which PC wrote to it. Users of
the QT debugger can also right click on a memory address in the memory window
to make a popup message appear with the results - right-clicking also
automatically copies the resultant PC onto the clipboard. (I'll attach an
image of this behavior in a follow-up mail).
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program counter has visited in the dasm windows.
Run "help trackpc" in the debugger to see the options. [Andrew Gardner]
Out of whatsnew:
This isn't enabled by default because of how sloooow it is to disassemble each
opcode when you want to compute its crc32. That can be sped up with lookup
tables and the like.
There's a good chance I should pull the 'clear tracks' argument into its own
command, but it functions as-is.
This can be added to the windows debugger with a simple change to the
osd display code.
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[Andrew Gardner]
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Fixed "ignore" command reporting incorrect invalid CPUs.
Fixed crazy code responsible for opcodes' crc32s in the comments system
(what was I thinking back then?). [Andrew Gardner]
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- Added support for registerpoints.
- Added 'exit' as a synonym for 'quit'.
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amount of CPU cycles taken by the last instruction. This is useful to people
(me) who are rewriting CPU cores, specifically with regression testing.
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device_memory_interface::space() assert against NULL and
return a reference, and pushed references throughout all
address space usage in the system. Added a has_space()
method to check for those rare case when it is ambiguous.
[Aaron Giles]
Also reinstated the generic space and added fatal error
handlers if anyone tries to actually read/write from it.
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read/write handlers to take an address_space & instead
of an address_space *. Also update pretty much all other
functions to take a reference where appropriate.
[Aaron Giles]
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and set_state() to set_state_int() for consistency.
Update all callers. Also add set_pc() helper and updated
all callers to use that instead of set_state_int(STATE_GENPC)
[Aaron Giles]
Added device_t::state() method to get the state interface.
Added redundant device_state_interface::state() method to
catch redundant use of it. [Aaron Giles]
Removed cpu_get_reg() and cpu_set_reg() macros in favor of
using the above methods. [Aaron Giles]
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termination (no whatsnew)
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memory_region management into the memory manager instead
of directly in the machine. Hid the global region method;
now all regions must be looked up relative to a device.
If you're a member function, you can just use memregion("tag")
directly. If you're a global function or a device referencing
global regions, use machine().root_device().memregion("tag")
to look up regions relative to the root.
S&R to convert all references:
machine([()]*)\.region
machine\1\.root_device\(\).subregion
Then remove redundant machine().root_device() within src/mame:
([ \t])machine\(\)\.root_device\(\)\.
\1
And use state->memregion() if we have a state variable present:
(state *= *[^;]+driver_data[^}]+)([^ \t]*)machine[()]*\.root_device\(\)\.
\1state->
Finally some cleanup:
screen.state->
state->
device->state->
state->
space->state->
state->
And a few hand-tweaks.
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device search.
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lookups. Should address cheat expressions as well.
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whatsnew)
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and paths consistently for devices, I/O ports, memory
regions, memory banks, and memory shares. [Aaron Giles]
NOTE: there are likely regressions lurking here, mostly
due to devices not being properly found. I have temporarily
added more logging to -verbose to help understand what's
going on. Please let me know ASAP if anything that is being
actively worked on got broken.
As before, the driver device is the root device and all
other devices are owned by it. Previously all devices
were kept in a single master list, and the hierarchy was
purely logical. With this change, each device owns its
own list of subdevices, and the hierarchy is explicitly
manifest. This means when a device is removed, all of its
subdevices are automatically removed as well.
A side effect of this is that walking the device list is
no longer simple. To address this, a new set of iterator
classes is provided, which walks the device tree in a depth
first manner. There is a general device_iterator class for
walking all devices, plus templates for a device_type_iterator
and a device_interface_iterator which are used to build
iterators for identifying only devices of a given type or
with a given interface. Typedefs for commonly-used cases
(e.g., screen_device_iterator, memory_interface_iterator)
are provided. Iterators can also provide counts, and can
perform indexed lookups.
All device name lookups are now done relative to another
device. The maching_config and running_machine classes now
have a root_device() method to get the root of the hierarchy.
The existing machine->device("name") is now equivalent to
machine->root_device().subdevice("name").
A proper and normalized device path structure is now
supported. Device names that start with a colon are
treated as absolute paths from the root device. Device
names can also use a caret (^) to refer to the owning
device. Querying the device's tag() returns the device's
full path from the root. A new method basetag() returns
just the final tag.
The new pathing system is built on top of the
device_t::subtag() method, so anyone using that will
automatically support the new pathing rules. Each device
has its own internal map to cache successful lookups so
that subsequent lookups should be very fast.
Updated every place I could find that referenced devices,
memory regions, I/O ports, memory banks and memory shares
to leverage subtag/subdevice (or siblingtag/siblingdevice
which are built on top).
Removed the device_list class, as it doesn't apply any
more. Moved some of its methods into running_machine
instead.
Simplified the device callback system since the new
pathing can describe all of the special-case devices that
were previously handled manually.
Changed the core output function callbacks to be delegates.
Completely rewrote the validity checking mechanism. The
validity checker is now a proper C++ class, and temporarily
takes over the error and warning outputs. All errors and
warnings are collected during a session, and then output in
a consistent manner, with an explicit driver and source file
listed for each one, as well as additional device and/or
I/O port contexts where appropriate. Validity checkers
should no longer explicitly output this information, just
the error, assuming that the context is provided.
Rewrote the software_list_device as a modern device, getting
rid of the software_list_config abstraction and simplifying
things.
Changed the way FLAC compiles so that it works like other
external libraries, and also compiles successfully for MSVC
builds.
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a class now. Updated all stragglers (mostly tools) to use the class
form. [Aaron Giles]
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