/*************************************************************************** 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 //************************************************************************** // 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 //************************************************************************** // global allocation helpers #define auto_alloc(m, t) pool_alloc(static_cast(m)->m_respool, t) #define auto_alloc_clear(m, t) pool_alloc_clear(static_cast(m)->m_respool, t) #define auto_alloc_array(m, t, c) pool_alloc_array(static_cast(m)->m_respool, t, c) #define auto_alloc_array_clear(m, t, c) pool_alloc_array_clear(static_cast(m)->m_respool, t, c) #define auto_free(m, v) pool_free(static_cast(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 debug_view_manager; 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 _sound_private sound_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 _cheat_private cheat_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 region_list; // memory region class region_info { DISABLE_COPYING(region_info); friend class running_machine; template friend class tagged_list; friend resource_pool_object::~resource_pool_object(); // construction/destruction region_info(running_machine &machine, const char *name, UINT32 length, UINT32 flags); ~region_info(); public: // getters region_info *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; region_info * m_next; astring m_name; generic_ptr m_base; UINT32 m_length; UINT32 m_flags; }; // this structure holds generic pointers that are commonly used struct generic_pointers { generic_ptr nvram; // generic NVRAM UINT32 nvram_size; generic_ptr videoram; // videoram UINT32 videoram_size; 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 }; 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 }; // description of the currently-running machine class running_machine { DISABLE_COPYING(running_machine); typedef void (*notify_callback)(running_machine &machine); typedef void (*logerror_callback)(running_machine &machine, const char *string); public: // construction/destruction running_machine(const game_driver &driver, const machine_config &config, core_options &options, bool exit_to_game_select = false); ~running_machine(); // fetch items by name inline device_t *device(const char *tag); template inline T *device(const char *tag) { return downcast(device(tag)); } inline const input_port_config *port(const char *tag); inline const region_info *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.len() != 0); } 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; } // 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 region_info *region_alloc(const char *name, UINT32 length, UINT32 flags); void region_free(const char *name); // 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 device_t * firstcpu; // first CPU (allows for quick iteration via typenext) // 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 sound_private * sound_data; // internal data from sound.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 cheat_private * cheat_data; // internal data from cheat.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 debug_view_manager * m_debug_view; // internal data from debugvw.c // driver-specific information void * driver_data; // drivers can hang data off of here instead of using globals 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; 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; }; //************************************************************************** // 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 region_info *running_machine::region(const char *tag) { return m_regionlist.find(tag); } inline UINT32 mame_rand(running_machine *machine) { return machine->rand(); } inline UINT8 *memory_region(running_machine *machine, const char *name) { const region_info *region = machine->region(name); return (region != NULL) ? region->base() : NULL; } inline UINT32 memory_region_length(running_machine *machine, const char *name) { const region_info *region = machine->region(name); return (region != NULL) ? region->bytes() : 0; } #endif /* __MACHINE_H__ */