mirror of
https://git.code.sf.net/p/fuse-emulator/fuse
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ba77c2ab67
To avoid clashes with any similarly named system files (thanks, BogDan Vatra and Sergio Baldoví).
86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/* beta.h: Routines for handling the Beta disk interface
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Copyright (c) 2003-2016 Fredrick Meunier, Philip Kendall
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Copyright (c) 2015 Stuart Brady
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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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Fred: fredm@spamcop.net
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*/
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#ifndef FUSE_BETA_H
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#define FUSE_BETA_H
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#include <libspectrum.h>
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#include "memory_pages.h"
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#include "fdd.h"
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extern int beta_available; /* Is the Beta disk interface available for use? */
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extern int beta_active; /* Is the Beta disk interface enabled? */
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extern int beta_builtin; /* Is the Beta disk interface built-in? */
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/* A 16KB memory chunk accessible by the Z80 when /ROMCS is low */
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extern memory_page beta_memory_map_romcs[MEMORY_PAGES_IN_16K];
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extern libspectrum_word beta_pc_mask; /* Bits to mask in PC for enable check */
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extern libspectrum_word beta_pc_value; /* Value to compare masked PC against */
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void beta_register_startup( void );
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void beta_page( void );
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void beta_unpage( void );
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void beta_cr_write( libspectrum_word port, libspectrum_byte b );
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libspectrum_byte beta_sr_read( libspectrum_word port, libspectrum_byte *attached );
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libspectrum_byte beta_tr_read( libspectrum_word port, libspectrum_byte *attached );
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void beta_tr_write( libspectrum_word port, libspectrum_byte b );
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libspectrum_byte beta_sec_read( libspectrum_word port, libspectrum_byte *attached );
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void beta_sec_write( libspectrum_word port, libspectrum_byte b );
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libspectrum_byte beta_dr_read( libspectrum_word port, libspectrum_byte *attached );
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void beta_dr_write( libspectrum_word port, libspectrum_byte b );
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libspectrum_byte beta_sp_read( libspectrum_word port, libspectrum_byte *attached );
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void beta_sp_write( libspectrum_word port, libspectrum_byte b );
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typedef enum beta_drive_number {
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BETA_DRIVE_A = 0,
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BETA_DRIVE_B,
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BETA_DRIVE_C,
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BETA_DRIVE_D,
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BETA_NUM_DRIVES,
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} beta_drive_number;
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int beta_disk_insert( beta_drive_number which, const char *filename,
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int autoload );
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int beta_disk_eject( beta_drive_number which );
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int beta_disk_save( beta_drive_number which, int saveas );
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int beta_disk_flip( beta_drive_number which, int flip );
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int beta_disk_writeprotect( beta_drive_number which, int wrprot );
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int beta_disk_write( beta_drive_number which, const char *filename );
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fdd_t *beta_get_fdd( beta_drive_number which );
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int beta_unittest( void );
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#endif /* #ifndef FUSE_BETA_H */
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