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* util/ioprocs.cpp: Added wrappers for common patterns. (#11608) Vas Crabb2024-02-251-6/+17
| | | | | emu/diimage.h: Removed fread overloads that allocate memory for output. util/core_file.cpp: Changed output size of load to size_t.
* imagedev/cdromimg.cpp: Fixed object lifecycles when loading from softlist or ↵ Vas Crabb2024-01-261-1/+7
| | | | | | | ROM region. * Reverted workaround 4c0957d7f0ba6a72e7267270db07ee06fe717109. * Cleaned up a few things.
* Move format #includes out of header files AJR2023-10-121-1/+1
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* emu/devcb.h: Eliminated the need to call resolve() on callbacks. (#11333) Vas Crabb2023-06-171-6/+0
| | | | | | | | | | | | Read callbacks now need a default return value supplied at construction. Replaced isnull() with isunset() which tells you if the callback wasn't configured rather than whether it isn't safe to call. Enabled validation of device callbacks (it seems it was disabled at some point, probably accidentally). Device callbacks and object finders now implement the same interface for resolution.
* emu/device.h: Removed device (READ|WRITE)_LINE_MEMBER in favor of explicit ↵ MooglyGuy2023-06-011-2/+2
| | | | function signatures. (#11283) [Ryan Holtz]
* Restored ability of for image devices to report specific error messages. Vas Crabb2023-04-081-2/+2
| | | | | | | | | | | | | | 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 Crabb2023-04-071-3/+1
| | | | | | | | | | | | | | | | * 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 AJR2023-03-301-2/+2
| | | | | | | | | - 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.
* device_image_interface: Interface overhaul AJR2022-01-061-1/+1
| | | | | | | | | | | | | - 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
* adam, bw2, cbm2, newbrain, pet, plus4, pofo, vic10, vic20: Eliminate bus tag ↵ AJR2021-06-201-9/+0
| | | | macros and legacy lookups; use finder arrays in some places
* emumem: Simplify memory management. [O. Galibert] Olivier Galibert2020-11-021-8/+5
| | | | | | | | | | | | | | | | | | | | API impact: - install_ram/rom/writeonly now requires a non-null pointer. If you want automatically managed ram, add it to a memory map, not in machine_start - install_*_bank now requires a memory_bank *, not a string - one can create memory banks outside of memory maps with memory_bank_creator - one can create memory shares outside of memory maps with memory_share_creator Memory maps impact: - ram ranges with overlapping addresses are not shared anymore. Use .share() - ram ranges touching each other are not merged anymore. Stay in your range Extra note: - there is no need to create a bank just to dynamically map some memory/rom. Just use install_rom/ram/writeonly
* Spring cleaning: Vas Crabb2019-11-011-31/+8
| | | | | | | | | | | | * Changed emu_fatalerror to use util::string_format semantics * Fixed some incorrectly marked up stuff in build scripts * Make internal layout compression type a scoped enum (only zlib is supported still, but at least the values aren't magic numbers now) * Fixed memory leaks in Xbox USB * There can only be one "perfect quantum" device - enforce that only the root machine can set it, as allowing subdevices to will cause weird issues with slot cards overiding it * Allow multiple devices to set maximum quantum and use the most restrictive one (it's maximum quantum, it would be minimum interleave) * Got rid of device_slot_card_interface as it wasn't providing value * Added a helper template to reduce certain kinds of boilerplate in slots/buses * Cleaned up some particularly bad slot code (plenty more of that to do), and made some slots more idiomatic
* (nw) Clean up the mess on master Vas Crabb2019-03-261-4/+4
| | | | | | | | | | | | | This effectively reverts b380514764cf857469bae61c11143a19f79a74c5 and c24473ddff715ecec2e258a6eb38960cf8c8e98e, restoring the state at 598cd5227223c3b04ca31f0dbc1981256d9ea3ff. Before pushing, please check that what you're about to push is sane. Check your local commit log and ensure there isn't anything out-of-place before pushing to mainline. When things like this happen, it wastes everyone's time. I really don't need this in a week when real work™ is busting my balls and I'm behind where I want to be with preparing for MAME release.
* Revert "conflict resolution (nw)" andreasnaive2019-03-251-4/+4
| | | | | This reverts commit c24473ddff715ecec2e258a6eb38960cf8c8e98e, reversing changes made to 009cba4fb8102102168ef32870892438327f3705.
* 6525tpi, mos6526, bus/vic10: Eliminate address_space argument from handlers (nw) AJR2019-02-191-4/+4
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* Make MCFG_DEVICE_ADD and callable device types more flexible: Vas Crabb2018-05-041-4/+5
| | | | | | | | | | | | | | | | | | | | | * Allows defaulted clocks (see subtle example with vboy) * Allows additional constructors (see RS232 port in tranz330) * Allows use of device finder in place of tag in MCFG_DEVICE_ADD * Requires out-of-line destructor for devices using incomplete types * Requires XTAL or explicit u32 for clocks for devices with private types Devices must still define the standard constructor. When writing additional constructors, be aware that the constructor runs before device_add_mconfig in the context of the existing device, not the new device. See osborne1, zorba, tranz330, and vboy for examples of this in use. Compilation is a bit slower, but this is temporary while refactoring is in progress. Eliminated the need for MCFG_SOUND_ROUTE_EX. Removed macros from slot option configuration - they just obfuscated code and slowed it down with needless dynamic casts, but didn't actually simplify it.
* may as well do it myself (nw) Vas Crabb2018-04-281-1/+1
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* vic10: Added MultiMAX cartridge skeleton. [Curt Coder] Curt Coder2018-04-241-0/+2
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* (nw) don't get hit by the bus - remove unnecessary reset calls, improve ↵ Vas Crabb2018-01-271-5/+16
| | | | error checking
* Move static data out of devices into the device types. This is a ↵ Vas Crabb2017-05-141-8/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* Made a number of device_image_interface members private (#2227) npwoods2017-04-171-2/+2
| | | | | | | | * Made a number of device_image_interface members private This also fixes a number of get_default_card_software() implementations that were accessing m_file incorrectly * Remove duplicate prototype
* Changes to make get_default_card_software() less stupid Nathan Woods2017-04-101-6/+4
| | | | | | | | | | The goals with this change is to make get_default_card_software() a bit more standalone by making it a const method that does not mutate the state of the device_image_interface. This is done by passing in a small structure that encapsulates the minimum of information that get_default_card_software() needs. This also eliminates the need for device_image_interface::open_image_file() I agree with Sarayan that get_default_card_software() is terrible and needs to ultimately go away. This is a small step in that direction. Lastly, I don't care for the name of get_default_card_software_hook (or get_default_card_software() for that matter). If anybody has better ideas, let me know.
* 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.
* 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
* Turn image init/validate into scoped enums to avoid accidental casts to/from ↵ Vas Crabb2016-08-011-2/+2
| | | | | | 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
* 1. Merge branch 'master' into diimage_filetype_as_stdstring Nathan Woods2016-07-311-4/+4
|\ | | | | | | 2. Introduced is_filetype(), instead of normalizing filetype() to lower case
* | This changes device_image_interface::filetype() to return 'const std::string ↵ Nathan Woods2016-07-311-4/+4
|/ | | | | | | | | | | &' instead of 'const char *'. In the interests of removing burdens from client code, I also changed the following: - filetype() will always return the file extension in lower case - device_image_interface::filetype() will return the correct extension for files loaded as a part of softlists - The code for extracting a file extension is now encapsulated in core_filename_extract_extension() Client code has been updated
* device_image_interface::call_softlist_load() was a virtual function where ↵ Nathan Woods2016-07-211-12/+0
| | | | every implementation was one of two copy-and-paste jobs. This change consolidates all of these implementations, replacing that virtual function with a mere hook that chooses which technique to perform
* 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
* reverting: Miodrag Milanovic2016-01-201-1/+1
| | | | | | | SHA-1: 1f90ceab075c4869298e963bf0a14a0aac2f1caa * tags are now strings (nw) fix start project for custom builds in Visual Studio (nw)
* tags are now strings (nw) Miodrag Milanovic2016-01-161-1/+1
| | | | fix start project for custom builds in Visual Studio (nw)
* modernize rom_load_manager (nw) Miodrag Milanovic2016-01-111-1/+1
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* Return std::string objects by value rather than pass by reference AJR2016-01-101-6/+3
| | | | | | - strprintf is unaltered, but strformat now takes one fewer argument - state_string_export still fills a buffer, but has been made const - get_default_card_software now takes no arguments but returns a string
* cleanups (nw) Miodrag Milanovic2015-12-251-1/+1
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* clang-modernize part 2 Miodrag Milanovic2015-12-041-7/+7
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* fix uninitialized class members for bus devices (nw) Miodrag Milanovic2015-11-141-1/+1
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* Rename *.c -> *.cpp in our source (nw) Miodrag Milanovic2015-11-081-0/+243