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https://git.code.sf.net/p/fuse-emulator/fuse
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108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/* machine.h: Routines for handling the various machine types
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Copyright (c) 1999-2001 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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#ifndef _STDLIB_H
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#include <stdlib.h>
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#endif /* #ifndef _STDLIB_H */
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#ifndef FUSE_AY_H
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#include "ay.h"
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#endif /* #ifndef FUSE_AY_H */
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#ifndef FUSE_DISPLAY_H
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#include "display.h"
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#endif /* #ifndef FUSE_DISPLAY_H */
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#ifndef FUSE_TYPES_H
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#include "types.h"
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#endif /* #ifndef FUSE_TYPES_H */
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#ifndef FUSE_SPECTRUM_H
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#include "spectrum.h"
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#endif /* #ifndef FUSE_SPECTRUM_H */
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typedef struct machine_timings {
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DWORD hz; /* Processor speed in Hz */
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WORD left_border_cycles; /* T-states spent drawing left border */
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WORD screen_cycles; /* T-states spent drawing screen */
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WORD right_border_cycles; /* T-states spent drawing right border */
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WORD retrace_cycles; /* T-states spent in horizontal retrace */
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WORD cycles_per_line; /* = sum of above four values */
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WORD lines_per_frame;
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DWORD cycles_per_frame; /* = cycles_per_line * lines_per_frame */
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} machine_timings;
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typedef struct machine_info {
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int machine; /* which machine type is this? */
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int (*reset)(void); /* Reset function */
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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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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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size_t rom_count;
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BYTE **roms;
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spectrum_port_info *peripherals; /* Which peripherals do we have? */
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ayinfo ay; /* The AY-8-3912 chip */
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} machine_info;
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extern machine_info *machine_current;
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int machine_init_machines( void );
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int machine_select_first( void );
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int machine_select_next( void );
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int machine_select( int type );
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void machine_set_timings( machine_info *machine, DWORD hz,
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WORD left_border_cycles, WORD screen_cycles,
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WORD right_border_cycles, WORD retrace_cycles,
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WORD lines_per_frame, DWORD first_line);
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int machine_allocate_roms( machine_info *machine, size_t count );
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int machine_read_rom( machine_info *machine, size_t number,
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const char* filename );
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int machine_find_rom( const char *filename );
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int machine_end( void );
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#endif /* #ifndef FUSE_MACHINE_H */
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