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author | Max Horn | 2011-02-09 01:09:01 +0000 |
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committer | Max Horn | 2011-02-09 01:09:01 +0000 |
commit | 42ab839dd6c8a1570b232101eb97f4e54de57935 (patch) | |
tree | 3b763d8913a87482b793e0348c88b9a5f40eecc9 /sound/softsynth/cms.h | |
parent | 386203a3d6ce1abf457c9110d695408ec5f01b85 (diff) | |
download | scummvm-rg350-42ab839dd6c8a1570b232101eb97f4e54de57935.tar.gz scummvm-rg350-42ab839dd6c8a1570b232101eb97f4e54de57935.tar.bz2 scummvm-rg350-42ab839dd6c8a1570b232101eb97f4e54de57935.zip |
AUDIO: Rename sound/ dir to audio/
svn-id: r55850
Diffstat (limited to 'sound/softsynth/cms.h')
-rw-r--r-- | sound/softsynth/cms.h | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/sound/softsynth/cms.h b/sound/softsynth/cms.h deleted file mode 100644 index d5bb7f0a42..0000000000 --- a/sound/softsynth/cms.h +++ /dev/null @@ -1,92 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * 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. - * - * $URL$ - * $Id$ - */ - -#ifndef SOUND_SOFTSYNTH_CMS_H -#define SOUND_SOFTSYNTH_CMS_H - -#include "common/scummsys.h" - -/* this structure defines a channel */ -struct saa1099_channel { - int frequency; /* frequency (0x00..0xff) */ - int freq_enable; /* frequency enable */ - int noise_enable; /* noise enable */ - int octave; /* octave (0x00..0x07) */ - int amplitude[2]; /* amplitude (0x00..0x0f) */ - int envelope[2]; /* envelope (0x00..0x0f or 0x10 == off) */ - - /* vars to simulate the square wave */ - double counter; - double freq; - int level; -}; - -/* this structure defines a noise channel */ -struct saa1099_noise { - /* vars to simulate the noise generator output */ - double counter; - double freq; - int level; /* noise polynomal shifter */ -}; - -/* this structure defines a SAA1099 chip */ -struct SAA1099 { - int stream; /* our stream */ - int noise_params[2]; /* noise generators parameters */ - int env_enable[2]; /* envelope generators enable */ - int env_reverse_right[2]; /* envelope reversed for right channel */ - int env_mode[2]; /* envelope generators mode */ - int env_bits[2]; /* non zero = 3 bits resolution */ - int env_clock[2]; /* envelope clock mode (non-zero external) */ - int env_step[2]; /* current envelope step */ - int all_ch_enable; /* all channels enable */ - int sync_state; /* sync all channels */ - int selected_reg; /* selected register */ - struct saa1099_channel channels[6]; /* channels */ - struct saa1099_noise noise[2]; /* noise generators */ -}; - -class CMSEmulator { -public: - CMSEmulator(uint32 sampleRate) { - _sampleRate = sampleRate; - memset(_saa1099, 0, sizeof(SAA1099)*2); - } - - ~CMSEmulator() { } - - void portWrite(int port, int val); - void readBuffer(int16 *buffer, const int numSamples); -private: - uint32 _sampleRate; - - SAA1099 _saa1099[2]; - - void envelope(int chip, int ch); - void update(int chip, int16 *buffer, int length); - void portWriteIntern(int chip, int offset, int data); -}; - - -#endif |