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/* machine.h: Routines for handling the various machine types
Copyright (c) 1999-2011 Philip Kendall
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#ifndef FUSE_MACHINE_H
#define FUSE_MACHINE_H
#include <stdlib.h>
#include <libspectrum.h>
#include "display.h"
#include "peripherals/ay.h"
#include "peripherals/covox.h"
#include "peripherals/specdrum.h"
#include "spectrum.h"
typedef libspectrum_byte (*spectrum_unattached_port_fn)( void );
/* How long do things take to happen; fields are pulled from libspectrum
via the libspectrum_timings_* functions */
typedef struct machine_timings {
/* Processor speed */
libspectrum_dword processor_speed;
/* Line timings in tstates */
libspectrum_word left_border, horizontal_screen, right_border;
libspectrum_word tstates_per_line;
/* Interrupt length */
libspectrum_word interrupt_length;
/* Frame timing */
libspectrum_dword tstates_per_frame;
} machine_timings;
typedef struct fuse_machine_info {
libspectrum_machine machine; /* which machine type is this? */
const char *id; /* Used to select from command line */
int capabilities; /* Capabilities of this machine */
int (*reset)(void); /* Reset function */
int timex; /* Timex machine (keyboard emulation/loading sounds etc.) */
machine_timings timings; /* How long do things take to happen? */
/* Redraw line y this many tstates after interrupt */
libspectrum_dword line_times[DISPLAY_SCREEN_HEIGHT+1];
spectrum_raminfo ram; /* How do we access memory, and what's currently
paged in */
spectrum_unattached_port_fn unattached_port; /* What to return if we read
from a port which isn't
attached to anything */
ayinfo ay; /* The AY-3-8912 chip */
specdrum_info specdrum; /* SpecDrum settings */
covox_info covox; /* Covox settings */
int (*shutdown)( void );
int (*memory_map)( void );
} fuse_machine_info;
extern fuse_machine_info **machine_types; /* All available machines */
extern int machine_count; /* of which there are this many */
extern fuse_machine_info *machine_current; /* The currently selected machine */
void machine_register_startup( void );
int machine_select( libspectrum_machine type );
int machine_select_id( const char *id );
const char* machine_get_id( libspectrum_machine type );
int machine_load_rom_bank_from_buffer( memory_page* bank_map, int page_num,
unsigned char *buffer, size_t length, int custom );
int machine_load_rom_bank( memory_page* bank_map, int page_num,
const char *filename, const char *fallback, size_t expected_length );
int machine_load_rom( int page_num, const char *filename, const char *fallback,
size_t expected_length );
int machine_reset( int hard_reset );
#endif /* #ifndef FUSE_MACHINE_H */
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