1 /* Project 16 Source Code~
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2 * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
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4 * This file is part of Project 16.
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6 * Project 16 is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 3 of the License, or
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9 * (at your option) any later version.
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11 * Project 16 is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>, or
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18 * write to the Free Software Foundation, Inc., 51 Franklin Street,
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19 * Fifth Floor, Boston, MA 02110-1301 USA.
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26 #include "src/lib/16_head.h"
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27 #include "src/lib/16_tail.h"
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28 #include <hw/8254/8254.h> /* 8254 timer */
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29 #include <hw/adlib/adlib.h>
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30 #include <hw/vga/vga.h>
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31 #include <hw/dos/dos.h>
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32 #include <hw/8259/8259.h>
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34 #define MIN_REGISTER 0x01
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35 #define MAX_REGISTER 0xF5
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36 #define ADLIB_FM_ADDRESS 0x388 /* adlib address/status register */
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37 #define ADLIB_FM_DATA 0x389 /* adlib data register */
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40 * FM Instrument definition for .SBI files - SoundBlaster instrument
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41 * - these are the important parts - we will skip the header, but since
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42 * I am not sure where it starts and ends so I have had to guess.
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43 * However it SEEMS! to work. Each array has two values, one for
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47 byte SoundCharacteristic[2]; /* modulator frequency multiple... */
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48 byte Level[2]; /* modulator frequency level... */
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49 byte AttackDecay[2]; /* modulator attack/decay... */
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50 byte SustainRelease[2]; /* modulator sustain/release... */
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51 byte WaveSelect[2]; /* output waveform distortion */
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52 byte Feedback; /* feedback algorithm and strength */
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55 extern void interrupt (*old_irq0)(void);
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57 void opl2out(word reg, word data);
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58 void opl3out(word reg, word data);
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59 void opl3exp(word data);
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61 void FMReset(void/*int percusiveMode*/);
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62 void FMKeyOff(int voice);
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63 void FMKeyOn(int voice, int freq, int octave);
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64 void FMSetVoice(int voiceNum, FMInstrument *ins);
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66 void SD_Initimf(global_game_variables_t *gvar);
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67 void SD_imf_free_music(global_game_variables_t *gvar);
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68 int SD_imf_load_music(const char *path, global_game_variables_t *gvar);
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69 void interrupt irq0(void);
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70 void SD_imf_tick(global_game_variables_t *gvar);
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71 void SD_adlib_shut_up();
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73 #endif /*__16_SND_H_*/
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