| Commit message (Collapse) | Author | Age | Files | Lines |
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GitHub #13329.
This was "working" on x86-64 due to the backend treating shift/rotate
instructions with zero immediate bit count as a no-op even if the source
and destination registaer aren't the same. Fixing the bug in the
back-end caused it to break the same way on x86-64 as it does on the
other three back-ends that didn't have this bug.
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* Correctly identify valid immediate constants for add/sub/cmp (it was
too conservative).
* Don't unnecessarily copy UML register values kept in host registers
for CMP.
* Fixed detection of TST against immediate zero and optimised generated
code.
* Optimised TST against immediate with all bits set.
-cpu/alto2: Follow the same pattern as the other things that have been
altered to avoid problematic memsets in this device.
-cpu/powerpc: Realigned some comments that had drifted.
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several POWER instructions. [R. Belmont]
apple/macpdm.cpp: Implemented audio DMA IRQs and some minor cleanup. [R. Belmont]
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[R. Belmont]
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* cpu/uml.cpp: Added BREAK, SETFLGS, MULSLW and MULULW opcodes.
* cpu/uml.cpp: Limit range of immediate shift count arguments for consistency.
* cpu/uml.cpp: Fix simplification of multiplication and division operations.
* cpu/drcbec.cpp: Added more methods of accessing OP_CARRY.
* cpu/drcbec.cpp: Fixed flag calculation for BSWAP and MULS opcodes.
* cpu/drcbec.cpp: Made calculation for shift and rotation opcodes consistent.
* cpu/drcbec.cpp: Return mapvar register ID instead of value for mapvars.
* cpu/drcbex64.cpp, cpu/drcbex86.cpp: Fixed bugs in various opcodes to make them behave like the C backend.
* cpu/drcbex64.cpp: Fixed SAVE, RESTORE and SETFMOD.
* cpu/powerpc: Implement MULLWx and MULLWOx using the new MULSLW opcode.
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In particular, this fixes a delegate getting nuked in cpu/powerpc.
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a) all constants were one digit too short
b) the payload was always expected to be 0 (which is just a special case qnan (Real Indefinite) though)
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(#12822)
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forms (fixes MT08791). (#11775)
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* For 4xx series and 601, skip over the register update.
* For any other flavor, raise an illegal instruction exception.
-konami/stingnet: Added ATA CS1 to address map, and removed comment about crash which has been fixed.
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Belmont]
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extended TLB is not yet supported. [R. Belmont]
apple/imacg3.cpp, powermacg3.cpp: Use PPC750 model and set strictest DRC options. Execution now goes much farther. [R. Belmont]
apple/pippin.cpp: Use strictest DRC options. Execution goes farther. [R. Belmont]
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- Support over & out debugging flags for a few more instructions
- Provide special operand format for POWER svc instruction
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* This lets you use emu.wait(...) directly without mucking around creating coroutines.
* Allow emu.wait to accept an attotime argument.
* Added a couple more wait helper functions.
-emu/profiler.h: Actually use scope-based profiling helpers.
* This makes the comment at the top of emu/profile.h less dishonest, and makes it easier to write exception-safe code.
* Got rid of some do { ... } while (0) loops that only existed so break could be used like a goto.
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divtlb: Wrap the constants
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configurable. (#10588)
Also use actual configured system clock for serial timer when selected rather than hard-coded number.
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instructions
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members. (#9788)
Primarily, this removes device_t::device_timer, device_t::timer_set,
device_t::synchronize, device_t::timer_expired, and device_timer_id.
Use of device_timer often resulted in unnecessary trampolining in
addition to switch/case overhead on a driver/device level, and
additional logic to manage delegated vs. ID-based timers on a core
level. In the worst cases, devices were performing a switch/case with
only one valid case.
device_scheduler::timer_set is marked deprecated as the only remaining
direct uses are via the Lua engine and a few drivers that need
refactoring anyway. The remaining uses occur via
device_scheduler::synchronize.
As a middle ground between the extremely short timer_alloc() and the
extremely long
machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(widget_device::contoso_tick), this)),
a helper function in device_t has been added which can be invoked with
the following syntax:
timer_alloc(FUNC(widget_device::contoso_tick), this)
- Additional changes/cleanups performed along the way:
- Converted to use logmacro:
* src/devices/bus/ieee488/hp9895.cpp
* src/devices/bus/ieee488/remote488.cpp
* src/devices/bus/isa/hdc.cpp
* src/devices/bus/isa/omti8621.cpp
* src/devices/bus/isa/sc499.cpp
* src/devices/bus/vip/vp550.cpp
* src/devices/cpu/i86/i186.cpp
* src/devices/cpu/lc8670/lc8670.cpp
* src/devices/machine/68230pit.cpp
* src/devices/machine/corvushd.cpp
* src/devices/machine/ds1994.cpp
* src/devices/machine/ticket.cpp
* src/mame/audio/pinsnd88.cpp
* src/mame/drivers/notetaker.cpp
* src/mame/machine/asic65.cpp
* src/mame/machine/rmnimbus.cpp
* src/mame/machine/victor9k_fdc.cpp
* src/mame/video/uv201.cpp
- Made usage of m_member prefix consistent:
* src/devices/bus/isa/hdc.cpp
* src/devices/bus/isa/omti8621.cpp
* src/devices/bus/vme/vme_fccpu20.cpp
* src/devices/machine/ds1386.cpp
* src/devices/machine/i7220.cpp
- Spacing consistency pass:
* src/devices/bus/isa/hdc.cpp
* src/devices/bus/isa/omti8621.cpp
* src/devices/bus/thomson/nanoresau.cpp
* src/devices/bus/ti99/internal/992board.cpp
* src/devices/bus/ti99/internal/genkbd.cpp
* src/devices/bus/ti99/internal/joyport/handset.cpp
* src/devices/bus/vme/vme_fccpu20.cpp
* src/devices/cpu/i86/i186.cpp
* src/devices/cpu/lc8670/lc8670.cpp
* src/devices/machine/68230pit.cpp
* src/devices/machine/cop452.cpp
* src/devices/machine/corvushd.cpp
* src/devices/machine/hp_dc100_tape.cpp
* src/devices/machine/hp_taco.cpp
* src/devices/machine/meters.cpp
* src/devices/machine/microtch.cpp
* src/devices/machine/phi.cpp
* src/devices/video/ef9365.cpp
* src/devices/video/v9938.cpp
* src/mame/drivers/alphaskop41xx.cpp
* src/mame/drivers/myb3k.cpp
* src/mame/drivers/notetaker.cpp
* src/mame/drivers/wpc_an.cpp
* src/mame/machine/midikbd.cpp
* src/mame/machine/rmnimbus.cpp
* src/mame/machine/wpc_lamp.cpp
* src/mame/machine/wpc_out.cpp
- Removed string-based ioport lookups:
* src/devices/bus/ti99/internal/joyport/handset.cpp
* src/devices/bus/ti99/internal/joyport/mecmouse.cpp
* src/devices/bus/vme/vme_hcpu30.cpp
* src/mame/machine/k7659kb.cpp
* src/mame/machine/ti85.cpp
- Adjustments to grammar/wording in comments
* src/devices/bus/sms_ctrl/lphaser.cpp
* src/devices/bus/sms_ctrl/sports.cpp
* src/devices/bus/snes/event.cpp
* src/devices/bus/snes/sa1.cpp
* src/devices/bus/thomson/nanoresau.cpp
* src/devices/bus/z88/z88.cpp
* src/devices/machine/ds1386.cpp
* src/devices/machine/vic_pl192.cpp
- Favored BIT() macro for single-bit checks
* src/devices/bus/ti99/internal/992board.cpp
* src/devices/bus/ti99/joyport/handset.cpp
* src/mame/drivers/notetaker.cpp
* src/mame/machine/wpc_lamp.cpp
* src/mame/machine/wpc_out.cpp
- Removed C89-style variable declarations when noticed
* src/devices/bus/isa/hdc.cpp
* src/devices/bus/sms_ctrl/lphaser.cpp
* src/devices/bus/ti99/joyport/mecmouse.cpp
* src/devices/machine/acorn_vidc.cpp
* src/devices/sound/ymz280b.cpp
* src/devices/video/vic4567.cpp
- Removed FUNCNAME to avoid compiler-specific #define checks in devices
* src/devices/bus/vme/vme_fccpu20.cpp
* src/devices/bus/vme/vme_hcpu30.cpp
* src/devices/machine/68230pit.cpp
* src/devices/machine/mc14411.cpp
* src/mame/drivers/myb3k.cpp
- Removed unecessary member prefixes/suffixes
* src/devices/video/ef9340_1.cpp
* src/mame/drivers/fuukifg2.cpp
* src/mame/drivers/fuukifg3.cpp
* src/mame/drivers/intv.cpp
* src/mame/drivers/simpsons.cpp
* src/mame/drivers/socrates.cpp
* src/mame/drivers/special_gambl.cpp
* src/mame/drivers/sprint4.cpp
* src/mame/drivers/ti990_10.cpp
* src/mame/drivers/tubep.cpp
* src/mame/drivers/vectrex.cpp
* src/mame/drivers/wpc_an.cpp
* src/mame/drivers/wpc_dot.cpp
* src/mame/drivers/wpc_flip1.cpp
* src/mame/drivers/wpc_flip2.cpp
* src/mame/machine/z80ne.cpp
* src/mame/video/rollerg.cpp
- Switched to lower-case hex constants
* src/devices/video/ef9365.cpp
* src/mame/machine/rmnimbus.cpp
- Re-ordered driver overrides and function members
* src/mame/drivers/boxer.cpp
* src/mame/drivers/eurocom2.cpp
* src/mame/drivers/exidy.cpp
* src/mame/drivers/gpworld.cpp
* src/mame/drivers/h19.cpp
* src/mame/drivers/ibmpcjr.cpp
* src/mame/drivers/mekd5.cpp
* src/mame/drivers/mgolf.cpp
* src/mame/drivers/myb3k.cpp
* src/mame/drivers/nightmare.cpp
* src/mame/drivers/notetaker.cpp
* src/mame/drivers/ptcsol.cpp
* src/mame/drivers/pwrview.cpp
* src/mame/drivers/rabbit.cpp
* src/mame/drivers/sitcom.cpp
* src/mame/drivers/socrates.cpp
* src/mame/drivers/sprint4.cpp
* src/mame/drivers/techno.cpp
* src/mame/drivers/thayers.cpp
* src/mame/drivers/ti990_10.cpp
* src/mame/drivers/ti990_4.cpp
* src/mame/drivers/tv912.cpp
* src/mame/drivers/tv990.cpp
* src/mame/drivers/uchroma68.cpp
* src/mame/drivers/vk100.cpp
* src/mame/drivers/votrhv.cpp
* src/mame/drivers/wicat.cpp
* src/mame/drivers/wpc_an.cpp
* src/mame/includes/abc80.h
* src/mame/includes/asterix.h
* src/mame/includes/fuukifg2.h
* src/mame/includes/fuukifg3.h
* src/mame/includes/gunbustr.h
* src/mame/includes/intv.h
* src/mame/includes/namcona1.h
* src/mame/includes/newbrain.h
* src/mame/includes/poly.h
* src/mame/includes/prof80.h
* src/mame/includes/rollerg.h
* src/mame/includes/s11.h
* src/mame/includes/segahang.h
* src/mame/includes/simpsons.h
* src/mame/includes/spacefb.h
* src/mame/includes/tandy2k.h
* src/mame/includes/trucocl.h
* src/mame/includes/tubebp.h
* src/mame/includes/vidbrain.h
* src/mame/includes/wolfpack.h
* src/mame/includes/wpc_dot.h
- Made capitalization consistent on class members
* src/devices/machine/meters.cpp
* src/mame/drivers/namcona1.cpp
* src/mame/drivers/notetaker.cpp
-src/devices/bus/isa/hdc.cpp:
* Removed fixed-size std::vector in favor of std::unique_ptr
-src/devices/bus/isa/s3virge.cpp:
* Moved unusually large (for a header) functions into .cpp from header
-src/devices/bus/vip/vp550.cpp
* Switched to required_device_array to simplify code paths
-src/devices/machine/arm_iomd.cpp
* Added initializers to constructor
* Favored std::size over fixed static sizes
-src/devices/machine/ds1386.cpp
* Moved register #defines into header enums
-src/devices/machine/mc68901.cpp
* Removed unnecessary parameters and emu_timer::enable calls
-src/devices/machine/mccs1850.cpp
* Removed inline overuse
-src/devices/machine/meters.cpp
* Removed unused members
-src/devices/machine/mos6526.cpp
* Removed inline overuse
-src/devices/machine/nsc810.cpp
* Converted to arrays rather than individually-numbered members
-src/devices/machine/pxa255.cpp
* Simplified DMA transfer code
-src/devices/machine/saa1043.cpp
* Removed extraneous members in favor of resolve_all_safe
-src/devices/machine/vic_pl192.cpp
* Shifted constructors, start-up, and maps to be at the top of the source file
-src/devices/machine/z8536.cpp
* Removed stray uses of device_timer_id
-src/devices/sound/cdp1869.cpp
* Removed inline overuse
-src/devices/sound/mos7360.cpp
* Converted to arrays rather than individually-numbered members
-src/emu/device.cpp
* Removed ID-based timer_alloc
* Removed timer_set
* Removed synchronize
* Removed timer_expired
* Added shorthand timer_alloc to avoid lengthy machine().scheduler().timer_alloc() calls
-src/emu/schedule.cpp
* Removed now-unused m_id and m_device members
-src/mame/audio/alesis.cpp
* Added initializers to constructor
-src/mame/drivers/alto2.cpp
* Removed custom-named driver init in favor of driver_init override
* Removed octal constant in favor of more standard hex
-src/mame/drivers/astinvad.cpp
* Fixed 'kamizake' typo
-src/mame/drivers/tm990189.cpp
* Removed unnecessary machine reset override
-src/mame/drivers/unichamp.cpp
* Removed custom-named driver init in favor of driver_init override
-src/mame/drivers/votrhv.cpp
* Fixed ROM_LOAD macros and region() usage in memory maps
-src/mame/machine/victor9k_fdc.cpp
* Made bracing style consistent across the file
-src/mame/video/gime.cpp
* Removed unnecessary void specifiers in function prototypes
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- Add 'gbt' and 'gbf' debugger commands to step until a true or false conditional branch has been detected.
- Update over 100 of the disassemblers in MAME to output a new STEP_COND flag for all conditional branches. Besides being used for execution of the new 'gbt' and 'gbf' commands, this flag also now helps the debugger 'out' command to properly handle conditional return instructions.
- Remove STEP_OVER from many instructions that aren't actually subroutine calls (e.g. DJNZ on Z80). A 'gni' debugger command (go next instruction) has been added to accommodate some of the misuse.
- Add instruction flag support to several more disassemblers that lacked them entirely (e.g. st62xx)
- Don't pass over delay slots for debugging in ASAP core
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callbacks
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- Remove the hotspot read tracker. This was never robustly implemented, but changes to the memory system made it much less useful, and the "speedup opportunities" which it aimed to determine are not very important from a current emulation standpoint.
- Remove the CURSP/GENSP state symbol and the generic sp() getter. Stacking semantics vary too much between CPU architectures for this to be of much use. (A "SP" symbol has been added to a few CPU cores whose stack pointers were otherwise not being registered.)
- Remove the cached pointer to device_state_interface and the state() fast accessor from device_t. Most users of device_state_interface either already had a pointer to the specific CPU device type or needed to check first for the presence of the interface.
- Change the PC memory write tracker to use pcbase(), which works even when the instruction callback is masked out, instead of peeking at the PC history index.
- Remove some obsolete watchpoint-related definitions from machine.h.
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* osdcomm.h: Move definition of EQUIVALENT_ARRAY to coretmpl.h
* sharc.cpp, gt64xxx.cpp, ym2413.cpp, gb_lcd.cpp, snes_ppu.cpp: Use STRUCT_MEMBER for save state registration
* gio/newport.cpp, megadrive/svp.cpp, nes_ctrl/bcbattle.cpp, arm7.cpp, tms9995.cpp, pckeybrd.cpp, sa1110.cpp, sa1111.cpp, jangou_blitter.cpp, vic4567.cpp: Use std::fill(_n) instead of memset
* emucore.h: Remove obsolete typedef
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I've guessed whether break or [[fallthrough]] is appropriate. In cases
where it looked particularly suspicious, I added a FIXME comment. All
of these changes should be reviewed by someone familiar with the code.
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not pointers anymore [O. Galibert]
The last(?) two changes are:
- Add a template parameter to everything (theoretically the address
space width, in practice a level derived from it to keep as much
compatibility between widths as possible) so that the shift size
becomes a constant.
- Change the syntax of declaring and initializing the caches and
specifics so that they're embedded in the owner device. Solves
lifetime issues and also removes one indirection (looking up the base
dispatch pointer through the cache/specific pointer).
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"information" overrides. This also covers several time-related functions in attotime, running_machine and emu_timer. (nw)
m6805: Calculate min_cycles and max_cycles once at device_start time (Nw)
attotime: Add as_khz and as_mhz (nw)
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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.
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(nw) This has been a long time coming but it's here at last. It should
be easier now that logerror, popmessage and osd_printf_* behave like
string_format and stream_format. Remember the differences from printf:
* Any object with a stream out operator works with %s
* %d, %i, %o, %x, %X, etc. work out the size by magic
* No sign extending promotion to int for short/char
* No widening/narrowing conversions for characters/strings
* Same rules on all platforms, insulated from C runtime library
* No format warnings from compiler
* Assert in debug builds if number of arguments doesn't match format
(nw) Also removed a pile of redundant c_str and string_format, and some
workarounds for not being able to portably format 64-bit integers or
long long.
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erroneously emitted. Hopefully fixes unusual breakpoint/watchpoint behaviour [Phil Bennett]
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-sound/discrete, okim6295: Removed MCFG macros. [Ryan Holtz]
-norautp, osi, audio/mario: Removed MACHINE_CONFIG macros. [Ryan Holtz]
-vsmile: Split into its own driver from vii.cpp. [Ryan Holtz]
-vii: Fixed broken controller inputs. [Ryan Holtz]
-konamim2: Massive update. Most games work, but are still marked non-working due to rare MAME crashes in the PPC DRC. [Phil Bennett, Ryan Holtz]
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konamim2, laserbat, phunsy, pipbug, quasar,
quizshow, ravens, subhuntr, taitopjc, tx0, vc4000, zac_1, zac_2: Removed MACHINE_CONFIG. [Ryan Holtz]
-bus/arcadia/slot, bus/vc4000/slot, tx0, ppc, s2650, saturn: Removed MCFG macros. [Ryan Holtz]
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suddenly silenced
* streamline templates in addrmap.h
* get rid of overloads on read/write member names - this will become even more important in the near future
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template on more information (data width, endianness) to make it possible to turn it into an handler cache eventually, and not just a memory block cache. Make it capable of large and unaligned accesses. [O. Galibert]
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* 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.
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