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https://git.code.sf.net/p/fuse-emulator/fuse
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101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/* melodik.c: Routines for handling the Melodik interface
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Copyright (c) 2009-2016 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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Philip: philip-fuse@shadowmagic.org.uk
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*/
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#include <config.h>
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#include <libspectrum.h>
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#include "ay.h"
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#include "compat.h"
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#include "infrastructure/startup_manager.h"
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#include "melodik.h"
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#include "module.h"
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#include "periph.h"
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#include "settings.h"
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static void melodik_enabled_snapshot( libspectrum_snap *snap );
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static void melodik_from_snapshot( libspectrum_snap *snap );
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static void melodik_to_snapshot( libspectrum_snap *snap );
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static module_info_t melodik_module_info = {
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/* .reset = */ NULL,
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/* .romcs = */ NULL,
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/* .snapshot_enabled = */ melodik_enabled_snapshot,
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/* .snapshot_from = */ melodik_from_snapshot,
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/* .snapshot_to = */ melodik_to_snapshot,
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};
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static const periph_port_t melodik_ports[] = {
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{ 0xc002, 0xc000, ay_registerport_read, ay_registerport_write },
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{ 0xc002, 0x8000, NULL, ay_dataport_write },
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{ 0, 0, NULL, NULL }
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};
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static const periph_t melodik_periph = {
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/* .option = */ &settings_current.melodik,
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/* .ports = */ melodik_ports,
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/* .hard_reset = */ 1,
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/* .activate = */ NULL,
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};
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static void
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melodik_enabled_snapshot( libspectrum_snap *snap )
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{
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settings_current.melodik = libspectrum_snap_melodik_active( snap );
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}
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static void
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melodik_from_snapshot( libspectrum_snap *snap )
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{
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if( periph_is_active( PERIPH_TYPE_MELODIK ) )
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ay_state_from_snapshot( snap );
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}
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static void
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melodik_to_snapshot( libspectrum_snap *snap )
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{
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int active = periph_is_active( PERIPH_TYPE_MELODIK );
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libspectrum_snap_set_melodik_active( snap, active );
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}
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static int
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melodik_init( void *context )
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{
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module_register( &melodik_module_info );
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periph_register( PERIPH_TYPE_MELODIK, &melodik_periph );
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return 0;
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}
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void
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melodik_register_startup( void )
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{
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startup_manager_module dependencies[] = { STARTUP_MANAGER_MODULE_SETUID };
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startup_manager_register( STARTUP_MANAGER_MODULE_MELODIK, dependencies,
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ARRAY_SIZE( dependencies ), melodik_init, NULL,
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NULL );
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}
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