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* util/chd.cpp, util/chdcodec.cpp: Added a safer way to let codecs do special ↵ Vas Crabb2024-10-141-1/+1
| | | | stuff with hunks.
* -imagedev/harddriv.cpp: Report unsuitable CHDs rather than crashing. Vas Crabb2024-02-101-25/+36
| | | | | -imagedev/cdrom.cpp: Report unsuitable CHDs as "invalid image" rather than "unsupported operation".
* harddriv.cpp, mccs1850.cpp: Use multibyte.h helpers AJR2024-01-071-3/+4
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* image: Fix initialisation order, fix file menu enable, refine gdrom support Olivier Galibert2023-05-081-4/+2
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* chd: Add dvd support. better abstraction in general, multi-image support in ↵ Olivier Galibert2023-05-041-5/+54
| | | | arcade-type drivers
* Restored ability of for image devices to report specific error messages. Vas Crabb2023-04-081-6/+6
| | | | | | | | | | | | | | Restores ability to give specific/detailed messages removed in 6f7e4141ea14acaaf9cb973c66788fabb3457023 while pandering to obsession with single return value. Moved responsibility for displaying the error message in the UI to the caller rather than device_image_interface, and made device_image_interface always log the error along with the full path and error condition content. Gave several image devices more detailed error messages. Added some FIXME comments for apparent bugs.
* -Improved some Lua APIs: Vas Crabb2023-04-071-39/+23
| | | | | | | | | | | | | | | | * Moved several machine lifecycle callbacks to the notifier/subscriber model. The old callback registration model is still available for them for now, but prints a deprecation warning. * Added pre-save/post-load notifications. * Use a single allocated timer rather than one anonymous timer per waiter. Waiters no longer prevent saved states from being loaded. * Clean up outstanding waiters on stop or state load rather than just leaking them. * Started documenting parts of the emulator interface object that should be relatively stable. -imagedev/avivideo.cpp: Fixed an object leak on unload. Also changed some other media image devices to use smart pointers.
* API change for device_image_interface AJR2023-03-301-14/+14
| | | | | | | | | - Remove the seterror method for recording error messages and conditions. Condition codes have been made return values for call_load, call_create and various related callbacks. Error messages (which many devices weren't generating) are now displayed through osd_printf_error. - Eliminate the image_init_result and image_verify_result pass/fail enumeration types. Update many functions that were returning these enumerations or simply bools to return std::error_condition instead. In some cases, this type is now passed down from internal parsing/loading functions which were already returning it. In various other cases, the former default UNSPECIFIED has been used as a catchall for I/O errors; anticipated future refactorings should make these error returns more specific. - Expand the image_error categories to include INVALIDLENGTH, NOSOFTWARE and BADSOFTWARE. The first is largely self-explanatory. The second is generated by the core to indicate failure to find software items in lists. The third is provided for devices to indicate semantic errors in software list entries. - Change the return type of floppy_image_device::identify to a pair so the potential error condition can be passed along to the UI without storing it in a member variable. - Move device_image_interface::message down into snapshot_image_device and change its implementation to use string_format instead of printf. - Correct a typo in the shortname of the generic snapshot device.
* hard_disk_file: Hide the chd Olivier Galibert2022-04-041-16/+0
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* hard_disk_file: classify Olivier Galibert2022-04-011-7/+7
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* Remove fileio.h from emu.h AJR2022-02-111-0/+1
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* device_image_interface: Interface overhaul AJR2022-01-061-2/+12
| | | | | | | | | | | | | - Remove the iodevice_t classification, which was not used that much and was incomplete anyway. Image device implementations must now provide their own instance names and brief instance names. Several new parent classes have been created to make it easier to use the old standard names. - Change must_be_loaded from a pure virtual function to be overridden in implementations to a getter for a base class property that can be set on the host side (as was formerly made possible for NES, MD and "generic" cartridge slots) but defaults to false for all types. This restrictive property has been unset for a small number of cases. - Create parent classes for paper tape and magnetic tape devices. At present these are dummy classes that do little to nothing, but may help unify implementations in the future. - Change several member functions to take std::string_view parameters rather than const std::string & or const char *. - Make update_names take into account brief names, as discussed in PR #2555. - Remove the obsolete uses_file_extension function (which used thread-unsafe strtok). * portfolio_ccm_slot: Change image type from "cartridge" to "memcard" * i7220, datapack: Add custom instance names that weren't there before * pc11: Add note
* util: Further API cleanups: (#8661) Vas Crabb2021-10-051-4/+13
| | | | | * Turned `core_file` into an implementation of `random_read_write`. * Turned PNG errors into a standard error category. * Added a helper for generating what look like derived classes on-the-fly.
* Formats-related refactoring AJR2021-09-111-0/+2
| | | | | | - Remove opresolv.h from emu.h and some other base headers - Split legacy floppy image class into a separate file - Clean up a lot of #includes in src/lib and src/tools/imgtool
* formats, osd, util: Started refactoring file I/O stuff. (#8456) Vas Crabb2021-08-221-27/+25
| | | | | | | | | Added more modern generic I/O interfaces with implementation backed by stdio, osd_file and core_file, replacing io_generic. Also replaced core_file's build-in zlib compression with a filter. unzip.cpp, un7z.cpp: Added option to supply abstract I/O interface rather than filename. Converted osd_file, core_file, archive_file, chd_file and device_image_interface to use std::error_condition rather than their own error enums. Allow mounting TI-99 RPK from inside archives.
* Make devdelegate more like devcb for configuration. This is a Vas Crabb2019-10-261-2/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | fundamental change to show device delegates are configured. Device delegates are now aware of the current device during configuration and will resolve string tags relative to it. This means that device delegates need a device to be supplied on construction so they can find the machine configuration object. There's a one-dimensional array helper to make it easier to construct arrays of device delegates with the same owner. (I didn't make an n-dimensional one because I didn't hit a use case, but it would be a simple addition.) There's no more bind_relative_to member - just call resolve() like you would for a devcb. There's also no need to cast nullptr when creating a late bind device delegate. The flip side is that for an overloaded or non-capturing lambda you'll need to cast to the desired type. There is one less conditional branch in the hot path for calls for delegates bound to a function pointer of member function pointer. This comes at the cost of one additional unconditional branch in the hot path for calls to delegates bound to functoids (lambdas, functions that don't take an object reference, other callable objects). This applies to all delegates, not just device delegates. Address spaces will now print an error message if a late bind error is encountered while installing a handler. This will give the range and address range, hopefully making it easier to guess which memory map is faulty. For the simple case of allowing a device_delegate member to be configured, use a member like this: template <typename... T> void set_foo(T &&...args) { m_foo_cb.set(std::forward<T>(args)...); } For a case where different delegates need to be used depending on the function signature, see src/emu/screen.h (the screen update function setters). Device delegates now take a target specification and function pointer. The target may be: * Target omitted, implying the current device being configured. This can only be used during configuration. It will work as long as the current device is not removed/replaced. * A tag string relative to the current device being configured. This can only be used during configuration. It will not be callable until .resolve() is called. It will work as long as the current device is not removed/replaced. * A device finder (required_device/optional_device). The delegate will late bind to the current target of the device finder. It will not be callable until .resolve() is called. It will work properly if the target device is replaced, as long as the device finder's base object isn't removed/replaced. * A reference to an object. It will be callable immediately. It will work as long as the target object is not removed/replaced. The target types and restrictions are pretty similar to what you already have on object finders and devcb, so it shouldn't cause any surprises. Note that dereferencing a device finder will changes the effect. To illustrate this: ... required_device<some_device> m_dev; ... m_dev(*this, "dev") ... // will late bind to "dev" relative to *this // will work if "dev" hasn't been created yet or is replaced later // won't work if *this is removed/replaced // won't be callable until resolve() is called cb1.set(m_dev, FUNC(some_device::w)); ... // will bind to current target of m_dev // will not work if m_dev is not resolved // will not work if "dev" is replaced later // will be callable immediately cb2.set(*m_dev, FUNC(some_device::w)); ... The order of the target and name has been reversed for functoids (lambdas and other callable objects). This allows the NAME macro to be used on lambdas and functoids. For example: foo.set_something(NAME([this] (u8 data) { m_something = data; })); I realise the diagnostic messages get ugly if you use NAME on a large lambda. You can still give a literal name, you just have to place it after the lambda rather than before. This is uglier, but it's intentional. I'm trying to drive developers away from a certain style. While it's nice that you can put half the driver code in the memory map, it detracts from readability. It's hard to visualise the memory range mappings if the memory map functions are punctuated by large lambdas. There's also slightly higher overhead for calling a delegate bound to a functoid. If the code is prettier for trivial lambdas but uglier for non-trivial lambdas in address maps, it will hopefully steer people away from putting non-trivial lambdas in memory maps. There were some devices that were converted from using plain delegates without adding bind_relative_to calls. I fixed some of them (e.g. LaserDisc) but I probably missed some. These will likely crash on unresolved delegate calls. There are some devices that reset delegates at configuration complete or start time, preventing them from being set up during configuration (e.g. src/devices/video/ppu2c0x.cpp and src/devices/machine/68307.cpp). This goes against the design principles of how device delegates should be used, but I didn't change them because I don't trust myself to find all the places they're used. I've definitely broken some stuff with this (I know about asterix), so report issues and bear with me until I get it all fixed.
* (nw) misc cleanup: Vas Crabb2019-09-201-17/+12
| | | | | * get rid of most assert_always * get rid of a few MCFG_*_OVERRIDE
* harddriv: check for CHD by header string, allows files not named .chd that ↵ arbee2019-08-131-6/+7
| | | | are CHDs to be recognized (nw)
* harddisk: Support hard disk images in HDI format [Justin Kerk] Justin Kerk2019-08-021-2/+16
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* harddisk: Support non-CHD harddisk images in raw and 2MG format [R. Belmont] arbee2019-08-011-13/+43
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* -imagedev/harddriv: Removed MCFG macros. [Ryan Holtz] mooglyguy2019-06-301-2/+2
| | | | -generic/slot: Removed MCFG macros. [Ryan Holtz]
* (nw) fix lots of inadverently mutable static pointers Vas Crabb2018-09-201-1/+1
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* Move ROM loading macros to romentry.h and remove romload.h from emu.h (nw) AJR2018-06-241-0/+1
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* Move static data out of devices into the device types. This is a ↵ Vas Crabb2017-05-141-11/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | significant change, so please pay attention. The core changes are: * Short name, full name and source file are no longer members of device_t, they are part of the device type * MACHINE_COFIG_START no longer needs a driver class * MACHINE_CONFIG_DERIVED_CLASS is no longer necessary * Specify the state class you want in the GAME/COMP/CONS line * The compiler will work out the base class where the driver init member is declared * There is one static device type object per driver rather than one per machine configuration Use DECLARE_DEVICE_TYPE or DECLARE_DEVICE_TYPE_NS to declare device type. * DECLARE_DEVICE_TYPE forward-declares teh device type and class, and declares extern object finders. * DECLARE_DEVICE_TYPE_NS is for devices classes in namespaces - it doesn't forward-declare the device type. Use DEFINE_DEVICE_TYPE or DEFINE_DEVICE_TYPE_NS to define device types. * These macros declare storage for the static data, and instantiate the device type and device finder templates. The rest of the changes are mostly just moving stuff out of headers that shouldn't be there, renaming stuff for consistency, and scoping stuff down where appropriate. Things I've actually messed with substantially: * More descriptive names for a lot of devices * Untangled the fantasy sound from the driver state, which necessitates breaking up sound/flip writes * Changed DECO BSMT2000 ready callback into a device delegate * Untangled Microprose 3D noise from driver state * Used object finders for CoCo multipak, KC85 D002, and Irem sound subdevices * Started to get TI-99 stuff out of the TI-990 directory and arrange bus devices properly * Started to break out common parts of Samsung ARM SoC devices * Turned some of FM, SID, SCSP DSP, EPIC12 and Voodoo cores into something resmbling C++ * Tried to make Z180 table allocation/setup a bit safer * Converted generic keyboard/terminal to not use WRITE8 - space/offset aren't relevant * Dynamically allocate generic terminal buffer so derived devices (e.g. teleprinter) can specify size * Imporved encapsulation of Z80DART channels * Refactored the SPC7110 bit table generator loop to make it more readable * Added wrappers for SNES PPU operations so members can be made protected * Factored out some boilerplate for YM chips with PSG * toaplan2 gfx * stic/intv resolution * Video System video * Out Run/Y-board sprite alignment * GIC video hookup * Amstrad CPC ROM box members * IQ151 ROM cart region * MSX cart IRQ callback resolution time * SMS passthrough control devices starting subslots I've smoke-tested several drivers, but I've probably missed something. Things I've missed will likely blow up spectacularly with failure to bind errors and the like. Let me know if there's more subtle breakage (could have happened in FM or Voodoo). And can everyone please, please try to keep stuff clean. In particular, please stop polluting the global namespace. Keep things out of headers that don't need to be there, and use things that can be scoped down rather than macros. It feels like an uphill battle trying to get this stuff under control while more of it's added.
* Make device_image_interface::update_names a private method called ↵ AJR2017-03-031-3/+0
| | | | automatically at config_complete time (nw)
* Self-registering devices prep: Vas Crabb2017-02-271-1/+1
| | | | | | | | | | | | | | * Make device_creator a variable template and get rid of the ampersands * Remove screen.h and speaker.h from emu.h and add where necessary * Centralise instantiations of screen and speaker finder templates * Add/standardise #include guards in many hearers * Remove many redundant #includes * Order #includesr to help catch headers that can't be #included alone (nw) This changes #include order to be prefix, unit header if applicable then other stuff roughly in order from most dependent to least dependent library. This helps catch headers that don't #include things that they use.
* device_image_interface cleanups (nw) AJR2017-02-271-1/+1
| | | | | | | - Replace comparisons of software_entry() or part_entry() with nullptr with loaded_through_softlist() predicate. - Eliminate the superfluous m_software_info_ptr member. The software_entry() accessor is still provided, but now rarely used. - Eliminate two of the three arguments to load_software_part. - Remove some unnecessary auto-typing in ui/inifile.cpp.
* Fix heap corruption when loading a new chd fails. Throw ↵ smf-2016-11-061-2/+8
| | | | CHDERR_FILE_NOT_WRITEABLE rather than CHDERR_UNSUPPORTED_VERSION if you try to open an old version for writing [smf]
* NOTICE (TYPE NAME CONSOLIDATION) Miodrag Milanovic2016-10-221-5/+5
| | | | | Use standard uint64_t, uint32_t, uint16_t or uint8_t instead of UINT64, UINT32, UINT16 or UINT8 also use standard int64_t, int32_t, int16_t or int8_t instead of INT64, INT32, INT16 or INT8
* Worked around the OPTION_GUIDE_EXTERN issue by using a crazy trick involving ↵ Nathan Woods2016-09-031-1/+1
| | | | | | | | namespaces Caveats: 1. Because of how this trick works, it is no longer possible to declare an option guide as static, so I had to make a bunch of changes 2. I'm going to want the hardcore C++ guys (i.e. - Vas) to review this with a fine toothed comb
* option_guide C++-ification, touched up imgtool Nathan Woods2016-08-271-1/+1
| | | | | | The main point of this change is to C++-ify option_guide. It was changed from a struct array to a class, namespaced etc, with the ultimate hope of incorporating an in-emulation image creation UI. Imgtool got hit with a number of changes; I'll probably have to bring that off of the backburner and touch that up too
* Turn image init/validate into scoped enums to avoid accidental casts to/from ↵ Vas Crabb2016-08-011-7/+7
| | | | | | integer and boolean types The image error should also be turned into a scoped enum - the menus were assuming it was the same thing as an init result
* Created device_image_interface::add_format() protected member and made ↵ Nathan Woods2016-07-311-1/+1
| | | | device_image_interface::m_formatlist be private
* Changed some int's to size_t's and added assertions where we were assuming ↵ Nathan Woods2016-07-071-0/+1
| | | | that option_resolution was a requirement
* C++-ification of src/lib/util/opresolv.[cpp|h] (moved to util:: namespace, ↵ Nathan Woods2016-07-071-6/+6
| | | | changed option_resolution to be a class, etc)
* m_formatlist is now vector (nw) Miodrag Milanovic2016-06-191-1/+1
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* Make osd_file a polymorphic class that's held with smart pointers Vas Crabb2016-03-141-3/+3
| | | | | | | | | | | | | | | Make avi_file a class that's held with smart pointers, encapsulate various AVI I/O structures Make zip_file and _7z_file classes rather than having free functions everywhere Hide zip/7z class implementation behind an interface, no longer need to call close() to send back to the cache Don't dump as much crap in global namespace Add solaris PTY implementation Improve variable expansion for SDL OSD - supports ~/$FOO/${BAR} syntax Rearrange stuff so the same things are in file module for all OSDs Move file stuff into its own module 7z/zip open and destruct are still not thread-safe due to lack of interlocks around cache access Directory functions still need to be moved to file module SDL OSD may not initialise WinSock on Windows
* Turn core_file into a proper class that gets cleaned up safely using unique_ptr Vas Crabb2016-03-061-3/+3
| | | | Subverted somewhat by chd_file class
* Replace strformat, strprintf and strcatprintf with type-safe steam_format ↵ Vas Crabb2016-02-281-3/+1
| | | | | | | | | and string_format Update MAME to use new function Instantiate ODR-used static constant members Make some of the UI code more localisable Remove use of retired functions in tools
* reverting: Miodrag Milanovic2016-01-201-3/+3
| | | | | | | SHA-1: 1f90ceab075c4869298e963bf0a14a0aac2f1caa * tags are now strings (nw) fix start project for custom builds in Visual Studio (nw)
* Revert "rest of device parameters to std::string (nw)" Miodrag Milanovic2016-01-201-1/+1
| | | | This reverts commit caba131d844ade3f2b30d6be24ea6cf46b2949d7.
* rest of device parameters to std::string (nw) Miodrag Milanovic2016-01-161-1/+1
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* tags are now strings (nw) Miodrag Milanovic2016-01-161-3/+3
| | | | fix start project for custom builds in Visual Studio (nw)
* modernize rom_load_manager (nw) Miodrag Milanovic2016-01-111-2/+2
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* clang-modernize part 3 Miodrag Milanovic2015-12-041-18/+18
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* Rename *.c -> *.cpp in our source (nw) Miodrag Milanovic2015-11-081-0/+298