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https://git.code.sf.net/p/fuse-emulator/fuse
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90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/* event.h: Routines needed for dealing with the event list
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Copyright (c) 2000-2004 Philip Kendall
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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Author contact information:
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E-mail: philip-fuse@shadowmagic.org.uk
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*/
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#ifndef FUSE_EVENT_H
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#define FUSE_EVENT_H
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#ifdef HAVE_LIB_GLIB
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#include <glib.h>
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#endif /* #ifdef HAVE_LIB_GLIB */
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#include <libspectrum.h>
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/* Information about an event */
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typedef struct event_t {
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libspectrum_dword tstates;
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int type;
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void *user_data;
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} event_t;
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/* A null event type */
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extern int event_type_null;
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/* The function to be called when an event occurs */
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typedef void (*event_fn_t)( libspectrum_dword tstates, int type, void *user_data );
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/* When will the next event happen? */
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extern libspectrum_dword event_next_event;
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/* Register a new event type */
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int event_register( event_fn_t fn, const char *description );
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/* Add an event at the correct place in the event list */
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void event_add_with_data( libspectrum_dword event_time, int type,
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void *user_data );
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static inline void
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event_add( libspectrum_dword event_time, int type )
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{
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event_add_with_data( event_time, type, NULL );
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}
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/* Do all events which have passed */
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int event_do_events(void);
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/* Called at end of frame to reduce T-state count of all entries */
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void event_frame( libspectrum_dword tstates_per_frame );
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/* Force all events between now and the next interrupt to happen */
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void event_force_events( void );
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/* Remove all events of a specific type from the stack */
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void event_remove_type( int type );
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/* Remove all events of a specific type and user data from the stack */
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void event_remove_type_user_data( int type, gpointer user_data );
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/* Clear the event stack */
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void event_reset( void );
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/* Call a user-supplied function for every event in the current list */
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void event_foreach( GFunc function, gpointer user_data );
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/* A textual representation of each event type */
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const char *event_name( int type );
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/* Register the init and end functions */
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void event_register_startup( void );
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#endif /* #ifndef FUSE_EVENT_H */
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