1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105
|
/* specdrum.c: Routines for handling the Specdrum Drum Kit
Copyright (c) 2011 Jon Mitchell
$Id: specdrum.c 4926 2013-05-05 07:58:18Z sbaldovi $
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:
Philip: philip-fuse@shadowmagic.org.uk
Jon: ooblick@gmail.com
*/
#include <config.h>
#include <libspectrum.h>
#include "compat.h"
#include "machine.h"
#include "module.h"
#include "periph.h"
#include "settings.h"
#include "sound.h"
#include "specdrum.h"
#include "spectrum.h"
static void specdrum_reset( int hard_reset );
static void specdrum_enabled_snapshot( libspectrum_snap *snap );
static void specdrum_from_snapshot( libspectrum_snap *snap );
static void specdrum_to_snapshot( libspectrum_snap *snap );
static module_info_t specdrum_module_info = {
specdrum_reset,
NULL,
specdrum_enabled_snapshot,
specdrum_from_snapshot,
specdrum_to_snapshot
} ;
static const periph_port_t specdrum_ports[] = {
{ 0x00ff, 0x00df, NULL, sound_specdrum_write },
{ 0, 0, NULL, NULL }
};
static const periph_t specdrum_periph = {
&settings_current.specdrum,
specdrum_ports,
1,
NULL
};
void
specdrum_init( void )
{
module_register( &specdrum_module_info );
periph_register( PERIPH_TYPE_SPECDRUM, &specdrum_periph );
}
static void
specdrum_reset( int hard_reset GCC_UNUSED )
{
machine_current->specdrum.specdrum_dac = 0;
}
static void
specdrum_enabled_snapshot( libspectrum_snap *snap )
{
if( libspectrum_snap_specdrum_active( snap ) )
settings_current.specdrum = 1;
}
static void
specdrum_from_snapshot( libspectrum_snap *snap )
{
if( !libspectrum_snap_specdrum_active( snap ) ) return;
/* We just set the internal machine status to the last read specdrum_dac
* instead of trying to write to the sound routines, as at this stage
* sound isn't initialised so there is no synth to write to
*/
machine_current->specdrum.specdrum_dac = libspectrum_snap_specdrum_dac( snap );
}
static void specdrum_to_snapshot( libspectrum_snap *snap )
{
if( !periph_is_active( PERIPH_TYPE_SPECDRUM ) ) return;
libspectrum_snap_set_specdrum_active( snap, 1 );
libspectrum_snap_set_specdrum_dac( snap, machine_current->specdrum.specdrum_dac );
}
|