95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/*
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* Copyright (C) 2010-2019 Fabio Cavallo (aka FHorse)
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*
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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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*
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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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*
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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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*/
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#ifndef FDS_H_
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#define FDS_H_
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#include "common.h"
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enum fds_operations { FDS_OP_NONE, FDS_OP_READ, FDS_OP_WRITE };
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#if defined (__cplusplus)
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#define EXTERNC extern "C"
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#else
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#define EXTERNC
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#endif
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EXTERNC struct _fds {
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// snd
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BYTE enabled_snd_reg;
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struct _fds_snd {
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struct _fds_snd_wave {
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BYTE data[64];
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BYTE writable;
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BYTE volume;
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BYTE index;
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int32_t counter;
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/* ------------------------------------------------------- */
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/* questi valori non e' necessario salvarli nei savestates */
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/* ------------------------------------------------------- */
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/* */ BYTE clocked; /* */
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/* ------------------------------------------------------- */
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} wave;
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struct _fds_snd_envelope {
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BYTE speed;
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BYTE disabled;
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} envelope;
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struct _fds_snd_main {
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BYTE silence;
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WORD frequency;
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SWORD output;
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} main;
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struct _fds_snd_volume {
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BYTE speed;
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BYTE mode;
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BYTE increase;
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BYTE gain;
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uint32_t counter;
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} volume;
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struct _fds_snd_sweep {
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SBYTE bias;
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BYTE mode;
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BYTE increase;
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BYTE speed;
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BYTE gain;
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uint32_t counter;
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} sweep;
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struct _fds_snd_modulation {
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SBYTE data[64];
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WORD frequency;
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BYTE disabled;
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BYTE index;
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int32_t counter;
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SWORD mod;
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} modulation;
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} snd;
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};
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EXTERNC void extcl_apu_tick_FDS(struct _fds* fds);
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EXTERNC void fds_reset(struct _fds* fds);
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#undef EXTERNC
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#endif /* FDS_H_ */
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