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/* beta.h: Routines for handling the Beta disk interface
Copyright (c) 2003-2016 Fredrick Meunier, Philip Kendall
Copyright (c) 2015 Stuart Brady
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
Fred: fredm@spamcop.net
*/
#ifndef FUSE_BETA_H
#define FUSE_BETA_H
#include <libspectrum.h>
#include "memory_pages.h"
#include "fdd.h"
extern int beta_available; /* Is the Beta disk interface available for use? */
extern int beta_active; /* Is the Beta disk interface enabled? */
extern int beta_builtin; /* Is the Beta disk interface built-in? */
/* A 16KB memory chunk accessible by the Z80 when /ROMCS is low */
extern memory_page beta_memory_map_romcs[MEMORY_PAGES_IN_16K];
extern libspectrum_word beta_pc_mask; /* Bits to mask in PC for enable check */
extern libspectrum_word beta_pc_value; /* Value to compare masked PC against */
void beta_register_startup( void );
void beta_page( void );
void beta_unpage( void );
void beta_cr_write( libspectrum_word port, libspectrum_byte b );
libspectrum_byte beta_sr_read( libspectrum_word port, libspectrum_byte *attached );
libspectrum_byte beta_tr_read( libspectrum_word port, libspectrum_byte *attached );
void beta_tr_write( libspectrum_word port, libspectrum_byte b );
libspectrum_byte beta_sec_read( libspectrum_word port, libspectrum_byte *attached );
void beta_sec_write( libspectrum_word port, libspectrum_byte b );
libspectrum_byte beta_dr_read( libspectrum_word port, libspectrum_byte *attached );
void beta_dr_write( libspectrum_word port, libspectrum_byte b );
libspectrum_byte beta_sp_read( libspectrum_word port, libspectrum_byte *attached );
void beta_sp_write( libspectrum_word port, libspectrum_byte b );
typedef enum beta_drive_number {
BETA_DRIVE_A = 0,
BETA_DRIVE_B,
BETA_DRIVE_C,
BETA_DRIVE_D,
BETA_NUM_DRIVES,
} beta_drive_number;
int beta_disk_insert( beta_drive_number which, const char *filename,
int autoload );
int beta_disk_eject( beta_drive_number which );
int beta_disk_save( beta_drive_number which, int saveas );
int beta_disk_flip( beta_drive_number which, int flip );
int beta_disk_writeprotect( beta_drive_number which, int wrprot );
int beta_disk_write( beta_drive_number which, const char *filename );
fdd_t *beta_get_fdd( beta_drive_number which );
int beta_unittest( void );
#endif /* #ifndef FUSE_BETA_H */
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