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141 lines
3.2 KiB
C
141 lines
3.2 KiB
C
/*
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** Nofrendo (c) 1998-2000 Matthew Conte (matt@conte.com)
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**
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**
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** This program is free software; you can redistribute it and/or
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** modify it under the terms of version 2 of the GNU Library General
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** Public License as published by the Free Software Foundation.
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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 GNU
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** Library General Public License for more details. To obtain a
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** copy of the GNU Library General Public License, write to the Free
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** Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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**
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** Any permitted reproduction of these routines, in whole or in part,
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** must bear this legend.
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**
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**
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** fds_snd.c
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**
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** Famicom Disk System sound emulation
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** $Id$
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*/
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#include <stdio.h>
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#include "types.h"
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#include "nes_apu.h"
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#include "fds_snd.h"
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static int32 fds_incsize = 0;
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/* mix sound channels together */
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static int32
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fds_process (void)
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{
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int32 output;
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output = 0;
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return output;
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}
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/* write to registers */
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static void
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fds_write (uint32 address, uint8 value)
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{
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}
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/* reset state of vrcvi sound channels */
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static void
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fds_reset (void)
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{
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fds_incsize = apu_getcyclerate ();
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}
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static void
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fds_init (void)
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{
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}
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/* TODO: bleh */
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static void
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fds_shutdown (void)
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{
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}
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static apu_memwrite fds_memwrite[] = {
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{0x4040, 0x4092, fds_write},
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{(uint32) - 1, (uint32) - 1, NULL}
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};
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apuext_t fds_ext = {
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fds_init,
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fds_shutdown,
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fds_reset,
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fds_process,
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NULL, /* no reads */
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fds_memwrite
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};
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/*
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** $Log$
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** Revision 1.4 2008/03/26 07:40:55 slomo
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** * gst/nsf/Makefile.am:
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** * gst/nsf/fds_snd.c:
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** * gst/nsf/mmc5_snd.c:
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** * gst/nsf/nsf.c:
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** * gst/nsf/types.h:
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** * gst/nsf/vrc7_snd.c:
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** * gst/nsf/vrcvisnd.c:
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** * gst/nsf/memguard.c:
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** * gst/nsf/memguard.h:
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** Remove memguard again and apply hopefully all previously dropped
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** local patches. Should be really better than the old version now.
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**
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** Revision 1.3 2008-03-25 15:56:10 slomo
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** Patch by: Andreas Henriksson <andreas at fatal dot set>
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** * gst/nsf/Makefile.am:
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** * gst/nsf/dis6502.h:
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** * gst/nsf/fds_snd.c:
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** * gst/nsf/fds_snd.h:
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** * gst/nsf/fmopl.c:
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** * gst/nsf/fmopl.h:
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** * gst/nsf/gstnsf.c:
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** * gst/nsf/log.c:
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** * gst/nsf/log.h:
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** * gst/nsf/memguard.c:
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** * gst/nsf/memguard.h:
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** * gst/nsf/mmc5_snd.c:
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** * gst/nsf/mmc5_snd.h:
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** * gst/nsf/nes6502.c:
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** * gst/nsf/nes6502.h:
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** * gst/nsf/nes_apu.c:
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** * gst/nsf/nes_apu.h:
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** * gst/nsf/nsf.c:
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** * gst/nsf/nsf.h:
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** * gst/nsf/osd.h:
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** * gst/nsf/types.h:
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** * gst/nsf/vrc7_snd.c:
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** * gst/nsf/vrc7_snd.h:
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** * gst/nsf/vrcvisnd.c:
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** * gst/nsf/vrcvisnd.h:
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** Update our internal nosefart to nosefart-2.7-mls to fix segfaults
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** on some files. Fixes bug #498237.
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** Remove some // comments, fix some compiler warnings and use pow()
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** instead of a slow, selfmade implementation.
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**
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** Revision 1.1 2003/04/08 20:53:00 ben
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** Adding more files...
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**
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** Revision 1.3 2000/07/03 02:18:53 matt
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** much better external module exporting
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**
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** Revision 1.2 2000/06/20 04:06:16 matt
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** migrated external sound definition to apu module
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**
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** Revision 1.1 2000/06/20 00:06:47 matt
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** initial revision
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**
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*/
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