1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
|
/***************************************************************************
machine.h
Controls execution of the core MAME system.
****************************************************************************
Copyright Aaron Giles
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in
the documentation and/or other materials provided with the
distribution.
* Neither the name 'MAME' nor the names of its contributors may be
used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
***************************************************************************/
#pragma once
#ifndef __EMU_H__
#error Dont include this file directly; include emu.h instead.
#endif
#ifndef __MACHINE_H__
#define __MACHINE_H__
#include <time.h>
//**************************************************************************
// CONSTANTS
//**************************************************************************
const int MAX_GFX_ELEMENTS = 32;
// machine phases
enum machine_phase
{
MACHINE_PHASE_PREINIT,
MACHINE_PHASE_INIT,
MACHINE_PHASE_RESET,
MACHINE_PHASE_RUNNING,
MACHINE_PHASE_EXIT
};
// notification callback types
enum machine_notification
{
MACHINE_NOTIFY_FRAME,
MACHINE_NOTIFY_RESET,
MACHINE_NOTIFY_PAUSE,
MACHINE_NOTIFY_RESUME,
MACHINE_NOTIFY_EXIT,
MACHINE_NOTIFY_COUNT
};
// output channels
enum output_channel
{
OUTPUT_CHANNEL_ERROR,
OUTPUT_CHANNEL_WARNING,
OUTPUT_CHANNEL_INFO,
OUTPUT_CHANNEL_DEBUG,
OUTPUT_CHANNEL_VERBOSE,
OUTPUT_CHANNEL_LOG,
OUTPUT_CHANNEL_COUNT
};
// debug flags
const int DEBUG_FLAG_ENABLED = 0x00000001; // debugging is enabled
const int DEBUG_FLAG_CALL_HOOK = 0x00000002; // CPU cores must call instruction hook
const int DEBUG_FLAG_WPR_PROGRAM = 0x00000010; // watchpoints are enabled for PROGRAM memory reads
const int DEBUG_FLAG_WPR_DATA = 0x00000020; // watchpoints are enabled for DATA memory reads
const int DEBUG_FLAG_WPR_IO = 0x00000040; // watchpoints are enabled for IO memory reads
const int DEBUG_FLAG_WPW_PROGRAM = 0x00000100; // watchpoints are enabled for PROGRAM memory writes
const int DEBUG_FLAG_WPW_DATA = 0x00000200; // watchpoints are enabled for DATA memory writes
const int DEBUG_FLAG_WPW_IO = 0x00000400; // watchpoints are enabled for IO memory writes
const int DEBUG_FLAG_OSD_ENABLED = 0x00001000; // The OSD debugger is enabled
//**************************************************************************
// MACROS
//**************************************************************************
// macros to wrap legacy callbacks
#define MACHINE_START_NAME(name) machine_start_##name
#define MACHINE_START(name) void MACHINE_START_NAME(name)(running_machine *machine)
#define MACHINE_START_CALL(name) MACHINE_START_NAME(name)(machine)
#define MACHINE_RESET_NAME(name) machine_reset_##name
#define MACHINE_RESET(name) void MACHINE_RESET_NAME(name)(running_machine *machine)
#define MACHINE_RESET_CALL(name) MACHINE_RESET_NAME(name)(machine)
#define SOUND_START_NAME(name) sound_start_##name
#define SOUND_START(name) void SOUND_START_NAME(name)(running_machine *machine)
#define SOUND_START_CALL(name) SOUND_START_NAME(name)(machine)
#define SOUND_RESET_NAME(name) sound_reset_##name
#define SOUND_RESET(name) void SOUND_RESET_NAME(name)(running_machine *machine)
#define SOUND_RESET_CALL(name) SOUND_RESET_NAME(name)(machine)
#define VIDEO_START_NAME(name) video_start_##name
#define VIDEO_START(name) void VIDEO_START_NAME(name)(running_machine *machine)
#define VIDEO_START_CALL(name) VIDEO_START_NAME(name)(machine)
#define VIDEO_RESET_NAME(name) video_reset_##name
#define VIDEO_RESET(name) void VIDEO_RESET_NAME(name)(running_machine *machine)
#define VIDEO_RESET_CALL(name) VIDEO_RESET_NAME(name)(machine)
#define PALETTE_INIT_NAME(name) palette_init_##name
#define PALETTE_INIT(name) void PALETTE_INIT_NAME(name)(running_machine *machine, const UINT8 *color_prom)
#define PALETTE_INIT_CALL(name) PALETTE_INIT_NAME(name)(machine, color_prom)
#define VIDEO_EOF_NAME(name) video_eof_##name
#define VIDEO_EOF(name) void VIDEO_EOF_NAME(name)(running_machine *machine)
#define VIDEO_EOF_CALL(name) VIDEO_EOF_NAME(name)(machine)
#define VIDEO_UPDATE_NAME(name) video_update_##name
#define VIDEO_UPDATE(name) UINT32 VIDEO_UPDATE_NAME(name)(screen_device *screen, bitmap_t *bitmap, const rectangle *cliprect)
#define VIDEO_UPDATE_CALL(name) VIDEO_UPDATE_NAME(name)(screen, bitmap, cliprect)
// NULL versions
#define machine_start_0 NULL
#define machine_reset_0 NULL
#define sound_start_0 NULL
#define sound_reset_0 NULL
#define video_start_0 NULL
#define video_reset_0 NULL
#define palette_init_0 NULL
#define video_eof_0 NULL
#define video_update_0 NULL
// global allocation helpers
#define auto_alloc(m, t) pool_alloc(static_cast<running_machine *>(m)->m_respool, t)
#define auto_alloc_clear(m, t) pool_alloc_clear(static_cast<running_machine *>(m)->m_respool, t)
#define auto_alloc_array(m, t, c) pool_alloc_array(static_cast<running_machine *>(m)->m_respool, t, c)
#define auto_alloc_array_clear(m, t, c) pool_alloc_array_clear(static_cast<running_machine *>(m)->m_respool, t, c)
#define auto_free(m, v) pool_free(static_cast<running_machine *>(m)->m_respool, v)
#define auto_bitmap_alloc(m, w, h, f) auto_alloc(m, bitmap_t(w, h, f))
#define auto_strdup(m, s) strcpy(auto_alloc_array(m, char, strlen(s) + 1), s)
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// forward declarations
class gfx_element;
class colortable_t;
class cheat_manager;
class render_manager;
class sound_manager;
class video_manager;
class debug_view_manager;
class osd_interface;
typedef struct _mame_private mame_private;
typedef struct _cpuexec_private cpuexec_private;
typedef struct _timer_private timer_private;
typedef struct _state_private state_private;
typedef struct _memory_private memory_private;
typedef struct _palette_private palette_private;
typedef struct _tilemap_private tilemap_private;
typedef struct _streams_private streams_private;
typedef struct _devices_private devices_private;
typedef struct _romload_private romload_private;
typedef struct _input_private input_private;
typedef struct _input_port_private input_port_private;
typedef struct _ui_input_private ui_input_private;
typedef struct _debugcpu_private debugcpu_private;
typedef struct _debugvw_private debugvw_private;
typedef struct _generic_machine_private generic_machine_private;
typedef struct _generic_video_private generic_video_private;
typedef struct _generic_audio_private generic_audio_private;
// template specializations
typedef tagged_list<memory_region> region_list;
// legacy callback functions
typedef void (*legacy_callback_func)(running_machine *machine);
typedef void (*palette_init_func)(running_machine *machine, const UINT8 *color_prom);
typedef UINT32 (*video_update_func)(screen_device *screen, bitmap_t *bitmap, const rectangle *cliprect);
// ======================> memory_region
// memory region object; should eventually be renamed memory_region
class memory_region
{
DISABLE_COPYING(memory_region);
friend class running_machine;
template<class T> friend class tagged_list;
friend resource_pool_object<memory_region>::~resource_pool_object();
// construction/destruction
memory_region(running_machine &machine, const char *name, UINT32 length, UINT32 flags);
~memory_region();
public:
// getters
memory_region *next() const { return m_next; }
UINT8 *base() const { return (this != NULL) ? m_base.u8 : NULL; }
UINT8 *end() const { return (this != NULL) ? m_base.u8 + m_length : NULL; }
UINT32 bytes() const { return (this != NULL) ? m_length : 0; }
const char *name() const { return m_name; }
UINT32 flags() const { return m_flags; }
// flag expansion
endianness_t endianness() const { return ((m_flags & ROMREGION_ENDIANMASK) == ROMREGION_LE) ? ENDIANNESS_LITTLE : ENDIANNESS_BIG; }
UINT8 width() const { return 1 << ((m_flags & ROMREGION_WIDTHMASK) >> 8); }
bool invert() const { return ((m_flags & ROMREGION_INVERTMASK) != 0); }
// data access
UINT8 &u8(offs_t offset = 0) const { return m_base.u8[offset]; }
UINT16 &u16(offs_t offset = 0) const { return m_base.u16[offset]; }
UINT32 &u32(offs_t offset = 0) const { return m_base.u32[offset]; }
UINT64 &u64(offs_t offset = 0) const { return m_base.u64[offset]; }
// allow passing a region for any common pointer
operator void *() const { return (this != NULL) ? m_base.v : NULL; }
operator INT8 *() const { return (this != NULL) ? m_base.i8 : NULL; }
operator UINT8 *() const { return (this != NULL) ? m_base.u8 : NULL; }
operator INT16 *() const { return (this != NULL) ? m_base.i16 : NULL; }
operator UINT16 *() const { return (this != NULL) ? m_base.u16 : NULL; }
operator INT32 *() const { return (this != NULL) ? m_base.i32 : NULL; }
operator UINT32 *() const { return (this != NULL) ? m_base.u32 : NULL; }
operator INT64 *() const { return (this != NULL) ? m_base.i64 : NULL; }
operator UINT64 *() const { return (this != NULL) ? m_base.u64 : NULL; }
private:
// internal data
running_machine & m_machine;
memory_region * m_next;
astring m_name;
generic_ptr m_base;
UINT32 m_length;
UINT32 m_flags;
};
// ======================> generic_pointers
// holds generic pointers that are commonly used
struct generic_pointers
{
generic_ptr spriteram; // spriteram
UINT32 spriteram_size;
generic_ptr spriteram2; // secondary spriteram
UINT32 spriteram2_size;
generic_ptr buffered_spriteram; // buffered spriteram
generic_ptr buffered_spriteram2;// secondary buffered spriteram
generic_ptr paletteram; // palette RAM
generic_ptr paletteram2; // secondary palette RAM
bitmap_t * tmpbitmap; // temporary bitmap
};
// ======================> system_time
// system time description, both local and UTC
class system_time
{
public:
system_time();
void set(time_t t);
struct full_time
{
void set(struct tm &t);
UINT8 second; // seconds (0-59)
UINT8 minute; // minutes (0-59)
UINT8 hour; // hours (0-23)
UINT8 mday; // day of month (1-31)
UINT8 month; // month (0-11)
INT32 year; // year (1=1 AD)
UINT8 weekday; // day of week (0-6)
UINT16 day; // day of year (0-365)
UINT8 is_dst; // is this daylight savings?
};
INT64 time; // number of seconds elapsed since midnight, January 1 1970 UTC
full_time local_time; // local time
full_time utc_time; // UTC coordinated time
};
// ======================> running_machine
// description of the currently-running machine
class running_machine : public bindable_object
{
DISABLE_COPYING(running_machine);
friend void debugger_init(running_machine *machine);
typedef void (*notify_callback)(running_machine &machine);
typedef void (*logerror_callback)(running_machine &machine, const char *string);
public:
// construction/destruction
running_machine(const machine_config &config, osd_interface &osd, core_options &options, bool exit_to_game_select = false);
~running_machine();
// fetch items by name
inline device_t *device(const char *tag);
template<class T> inline T *device(const char *tag) { return downcast<T *>(device(tag)); }
inline const input_port_config *port(const char *tag);
inline const memory_region *region(const char *tag);
// configuration helpers
UINT32 total_colors() const { return m_config.m_total_colors; }
// getters
const char *basename() const { return m_basename; }
core_options *options() const { return &m_options; }
machine_phase phase() const { return m_current_phase; }
bool paused() const { return m_paused || (m_current_phase != MACHINE_PHASE_RUNNING); }
bool scheduled_event_pending() const { return m_exit_pending || m_hard_reset_pending; }
bool save_or_load_pending() const { return (m_saveload_pending_file); }
bool exit_pending() const { return m_exit_pending; }
bool new_driver_pending() const { return (m_new_driver_pending != NULL); }
const char *new_driver_name() const { return m_new_driver_pending->name; }
device_scheduler &scheduler() { return m_scheduler; }
osd_interface &osd() const { return m_osd; }
screen_device *first_screen() const { return primary_screen; }
// immediate operations
int run(bool firstrun);
void pause();
void resume();
void add_notifier(machine_notification event, notify_callback callback);
void call_notifiers(machine_notification which);
void add_logerror_callback(logerror_callback callback);
// scheduled operations
void schedule_exit();
void schedule_hard_reset();
void schedule_soft_reset();
void schedule_new_driver(const game_driver &driver);
void schedule_save(const char *filename);
void schedule_load(const char *filename);
// time
void base_datetime(system_time &systime);
void current_datetime(system_time &systime);
// regions
memory_region *region_alloc(const char *name, UINT32 length, UINT32 flags);
void region_free(const char *name);
// managers
cheat_manager &cheat() const { assert(m_cheat != NULL); return *m_cheat; }
render_manager &render() const { assert(m_render != NULL); return *m_render; }
sound_manager &sound() const { assert(m_sound != NULL); return *m_sound; }
video_manager &video() const { assert(m_video != NULL); return *m_video; }
debug_view_manager &debug_view() const { assert(m_debug_view != NULL); return *m_debug_view; }
// misc
void CLIB_DECL logerror(const char *format, ...);
void CLIB_DECL vlogerror(const char *format, va_list args);
UINT32 rand();
const char *describe_context();
// internals
resource_pool m_respool; // pool of resources for this machine
region_list m_regionlist; // list of memory regions
device_list m_devicelist; // list of running devices
// configuration data
const machine_config * config; // points to the constructed machine_config
const machine_config & m_config; // points to the constructed machine_config
ioport_list m_portlist; // points to a list of input port configurations
// CPU information
cpu_device * firstcpu; // first CPU (allows for quick iteration via typenext)
address_space * m_nonspecific_space;// a dummy address_space used for legacy compatibility
// game-related information
const game_driver * gamedrv; // points to the definition of the game machine
const game_driver & m_game; // points to the definition of the game machine
// video-related information
gfx_element * gfx[MAX_GFX_ELEMENTS];// array of pointers to graphic sets (chars, sprites)
screen_device * primary_screen; // the primary screen device, or NULL if screenless
palette_t * palette; // global palette object
// palette-related information
const pen_t * pens; // remapped palette pen numbers
colortable_t * colortable; // global colortable for remapping
pen_t * shadow_table; // table for looking up a shadowed pen
bitmap_t * priority_bitmap; // priority bitmap
// audio-related information
int sample_rate; // the digital audio sample rate
// debugger-related information
UINT32 debug_flags; // the current debug flags
// UI-related
bool ui_active; // ui active or not (useful for games / systems with keyboard inputs)
// generic pointers
generic_pointers generic; // generic pointers
// internal core information
mame_private * mame_data; // internal data from mame.c
timer_private * timer_data; // internal data from timer.c
state_private * state_data; // internal data from state.c
memory_private * memory_data; // internal data from memory.c
palette_private * palette_data; // internal data from palette.c
tilemap_private * tilemap_data; // internal data from tilemap.c
streams_private * streams_data; // internal data from streams.c
devices_private * devices_data; // internal data from devices.c
romload_private * romload_data; // internal data from romload.c
input_private * input_data; // internal data from input.c
input_port_private * input_port_data; // internal data from inptport.c
ui_input_private * ui_input_data; // internal data from uiinput.c
debugcpu_private * debugcpu_data; // internal data from debugcpu.c
generic_machine_private *generic_machine_data; // internal data from machine/generic.c
generic_video_private * generic_video_data; // internal data from video/generic.c
generic_audio_private * generic_audio_data; // internal data from audio/generic.c
// driver-specific information
driver_device *driver_data() const { return m_driver_device; }
template<class T>
T *driver_data() const { return downcast<T *>(m_driver_device); }
private:
void start();
void set_saveload_filename(const char *filename);
void fill_systime(system_time &systime, time_t t);
void handle_saveload();
static TIMER_CALLBACK( static_soft_reset );
void soft_reset();
static void logfile_callback(running_machine &machine, const char *buffer);
// notifier callbacks
struct notifier_callback_item
{
notifier_callback_item(notify_callback func);
notifier_callback_item * m_next;
notify_callback m_func;
};
notifier_callback_item *m_notifier_list[MACHINE_NOTIFY_COUNT];
// logerror callbacks
struct logerror_callback_item
{
logerror_callback_item(logerror_callback func);
logerror_callback_item * m_next;
logerror_callback m_func;
};
logerror_callback_item *m_logerror_list;
device_scheduler m_scheduler; // scheduler object
core_options & m_options;
osd_interface & m_osd;
astring m_context; // context string
astring m_basename; // basename used for game-related paths
machine_phase m_current_phase;
bool m_paused;
bool m_hard_reset_pending;
bool m_exit_pending;
bool m_exit_to_game_select;
const game_driver * m_new_driver_pending;
emu_timer * m_soft_reset_timer;
mame_file * m_logfile;
// load/save
enum saveload_schedule
{
SLS_NONE,
SLS_SAVE,
SLS_LOAD
};
saveload_schedule m_saveload_schedule;
attotime m_saveload_schedule_time;
astring m_saveload_pending_file;
const char * m_saveload_searchpath;
// random number seed
UINT32 m_rand_seed;
// base time
time_t m_base_time;
driver_device * m_driver_device;
cheat_manager * m_cheat; // internal data from cheat.c
render_manager * m_render; // internal data from render.c
sound_manager * m_sound; // internal data from sound.c
video_manager * m_video; // internal data from video.c
debug_view_manager * m_debug_view; // internal data from debugvw.c
};
// ======================> driver_device_config_base
// a base class with common functionality for the (mostly stub) driver_device_configs
class driver_device_config_base : public device_config
{
friend class driver_device;
protected:
// construction/destruction
driver_device_config_base(const machine_config &mconfig, device_type type, const char *tag, const device_config *owner);
public:
// indexes into our generic callbacks
enum callback_type
{
CB_MACHINE_START,
CB_MACHINE_RESET,
CB_SOUND_START,
CB_SOUND_RESET,
CB_VIDEO_START,
CB_VIDEO_RESET,
CB_VIDEO_EOF,
CB_COUNT
};
// inline configuration helpers
static void static_set_game(device_config *device, const game_driver *game);
static void static_set_callback(device_config *device, callback_type type, legacy_callback_func callback);
static void static_set_palette_init(device_config *device, palette_init_func callback);
static void static_set_video_update(device_config *device, video_update_func callback);
protected:
// optional information overrides
virtual const rom_entry *rom_region() const;
// internal state
const game_driver * m_game; // pointer to the game driver
legacy_callback_func m_callbacks[CB_COUNT]; // generic legacy callbacks
palette_init_func m_palette_init; // one-time palette init callback
video_update_func m_video_update; // video update callback
};
// ======================> driver_device_config
// this provides a minimal config class for driver devices, which don't
// explicitly declare their own
template<class _DeviceClass>
class driver_device_config : public driver_device_config_base
{
// construction/destruction
driver_device_config(const machine_config &mconfig, const char *tag, const device_config *owner)
: driver_device_config_base(mconfig, static_alloc_device_config, tag, owner) { }
public:
// allocators
static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock)
{
return global_alloc(driver_device_config(mconfig, tag, owner));
}
virtual device_t *alloc_device(running_machine &machine) const
{
// we clear here for historical reasons, as many existing driver states
// assume everything is NULL before starting
return auto_alloc_clear(&machine, _DeviceClass(machine, *this));
}
};
// ======================> driver_device
// base class for machine driver-specific devices
class driver_device : public device_t
{
public:
// construction/destruction
driver_device(running_machine &machine, const driver_device_config_base &config);
virtual ~driver_device();
// additional video helpers
virtual bool video_update(screen_device &screen, bitmap_t &bitmap, const rectangle &cliprect);
virtual void video_eof();
protected:
// helpers called at startup
virtual void driver_start();
virtual void machine_start();
virtual void sound_start();
virtual void video_start();
// helpers called at reset
virtual void driver_reset();
virtual void machine_reset();
virtual void sound_reset();
virtual void video_reset();
// device-level overrides
virtual void device_start();
virtual void device_reset();
// internal state
const driver_device_config_base &m_config;
};
//**************************************************************************
// INLINE FUNCTIONS
//**************************************************************************
inline device_t *running_machine::device(const char *tag)
{
return m_devicelist.find(tag);
}
inline const input_port_config *running_machine::port(const char *tag)
{
return m_portlist.find(tag);
}
inline const memory_region *running_machine::region(const char *tag)
{
return m_regionlist.find(tag);
}
#endif /* __MACHINE_H__ */
|