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https://git.code.sf.net/p/fuse-emulator/fuse
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108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/* machine.h: Routines for handling the various machine types
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Copyright (c) 1999-2004 Philip Kendall
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$Id$
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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
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author contact information:
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E-mail: pak21-fuse@srcf.ucam.org
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Postal address: 15 Crescent Road, Wokingham, Berks, RG40 2DB, England
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*/
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#ifndef FUSE_MACHINE_H
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#define FUSE_MACHINE_H
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#include <stdlib.h>
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#include <libspectrum.h>
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#include "ay.h"
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#include "display.h"
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#include "memory.h"
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#include "spectrum.h"
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typedef libspectrum_byte (*spectrum_unattached_port_fn)( void );
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/* How long do things take to happen; fields are pulled from libspectrum
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via the libspectrum_timings_* functions */
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typedef struct machine_timings {
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/* Processor speed */
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libspectrum_dword processor_speed;
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/* Line timings in tstates */
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libspectrum_word left_border, horizontal_screen, right_border;
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libspectrum_word tstates_per_line;
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/* Frame timing */
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libspectrum_dword tstates_per_frame;
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} machine_timings;
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typedef struct fuse_machine_info {
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libspectrum_machine machine; /* which machine type is this? */
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const char *id; /* Used to select from command line */
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int capabilities; /* Capabilities of this machine */
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int (*reset)(void); /* Reset function */
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int timex; /* Timex machine (keyboard emulation/loading sounds etc.) */
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machine_timings timings; /* How long do things take to happen? */
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/* Redraw line y this many tstates after interrupt */
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libspectrum_dword line_times[DISPLAY_SCREEN_HEIGHT+1];
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spectrum_raminfo ram; /* How do we access memory, and what's currently
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paged in */
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spectrum_unattached_port_fn unattached_port; /* What to return if we read
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from a port which isn't
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attached to anything */
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ayinfo ay; /* The AY-8-3912 chip */
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int (*shutdown)( void );
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int (*memory_map)( void );
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} fuse_machine_info;
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extern fuse_machine_info **machine_types; /* All available machines */
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extern int machine_count; /* of which there are this many */
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extern fuse_machine_info *machine_current; /* The currently selected machine */
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int machine_init_machines( void );
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int machine_select( libspectrum_machine type );
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int machine_select_id( const char *id );
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const char* machine_get_id( libspectrum_machine type );
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int machine_set_timings( fuse_machine_info *machine );
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int machine_load_rom_bank( memory_page* bank_map, size_t which, int page_num,
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const char *filename, size_t expected_length );
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int machine_load_rom( size_t which, int page_num, const char *filename,
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size_t expected_length );
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int machine_reset( void );
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int machine_end( void );
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#endif /* #ifndef FUSE_MACHINE_H */
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