| 1 | /* SCCSID = %W% %E% */
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| 2 | /****************************************************************************
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| 3 | * *
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| 4 | * Copyright (c) IBM Corporation 1994 - 1997. *
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| 5 | * Copyright (c) Voyetra Technologies 1990-1993. All rights reserved *
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| 6 | * *
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| 7 | * The following IBM OS/2 source code is provided to you solely for the *
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| 8 | * the purpose of assisting you in your development of OS/2 device drivers. *
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| 9 | * You may use this code in accordance with the IBM License Agreement *
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| 10 | * provided in the IBM Device Driver Source Kit for OS/2. *
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| 11 | * *
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| 12 | ****************************************************************************/
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| 13 | /**@internal %W%
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| 14 | * Initialization routines for the FMSYNTH object.
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| 15 | * @version %I%
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| 16 | * @context
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| 17 | * Unless otherwise noted, all interfaces are Ring-0, 16-bit, kernel stack.
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| 18 | * @notes
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| 19 | * @history
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| 20 | */
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| 21 |
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| 22 | extern "C" {
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| 23 | #include <os2.h>
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| 24 | #include <os2medef.h>
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| 25 | #include <ssm.h>
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| 26 | #include <audio.h>
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| 27 | #include <meerror.h>
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| 28 | #include "fmadlib.h"
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| 29 | #include "fmglobal.h"
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| 30 | }
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| 31 | #include "fmsynth.hpp"
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| 32 |
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| 33 | /* Macros
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| 34 | */
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| 35 |
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| 36 | #define min(a,b) (((a) < (b)) ? (a) : (b))
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| 37 | #define max(a,b) (((a) > (b)) ? (a) : (b))
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| 38 |
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| 39 | /* ------------------------------ FMInit -
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| 40 | ** SapiMain
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| 41 | ** Synth Driver initialization function
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| 42 | */
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| 43 | BOOL FMSYNTH::FMInit()
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| 44 | {
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| 45 | int bend;
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| 46 | // BOOL fRet=TRUE;
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| 47 |
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| 48 | // percussion_channel = GetDrumCh() -1;
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| 49 | percussion_channel = 10-1;
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| 50 | bend = 2;
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| 51 |
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| 52 | sapi_pitch_range = (int) min (max (bend,1),12);
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| 53 | /*
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| 54 | if (fRet)
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| 55 | {
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| 56 | #ifdef FM_MONITOR
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| 57 | StringOut("FMMAIN:Reset OPL-3");
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| 58 | #endif
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| 59 |
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| 60 | #ifdef FM_MONITOR
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| 61 | StringOut("FMMAIN:Reset OPL-3 OK");
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| 62 | #endif
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| 63 | }
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| 64 | */
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| 65 | reset_all();
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| 66 |
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| 67 | return TRUE;
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| 68 | }
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| 69 |
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| 70 | static void clear_pgms(void)
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| 71 | {
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| 72 | int i;
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| 73 |
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| 74 | for (i=0; i < MAX_NUMBER_OF_OPERATORS; i++)
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| 75 | last_pgm[i] = (char) 0xff;
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| 76 | }
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| 77 |
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| 78 |
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| 79 | /* ---------------------------- do_reset -
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| 80 | ** Main reset module. Initialize the module.
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| 81 | ** Flag true means cold init.
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| 82 | */
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| 83 | void FMSYNTH::do_reset(int first)
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| 84 | {
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| 85 | shut_off_all(); // shut off any notes which are playing
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| 86 | init_q(); // reset note queue vars
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| 87 | clear_pgms();
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| 88 | if (first)
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| 89 | {
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| 90 | init_chan_etc(); // initialize channel stat structure
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| 91 | SoundColdInit();
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| 92 | set_pitch_range(sapi_pitch_range);
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| 93 | }
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| 94 | }
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| 95 |
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| 96 |
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| 97 | /* -------------------------- reset_all -
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| 98 | ** Initialize entire module : cold
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| 99 | */
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| 100 | void FMSYNTH::reset_all(void)
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| 101 | {
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| 102 | max_melo_voice = MAX_PERC_MODE_VX;
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| 103 | fm_mode = MODE_PERC;
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| 104 | num_slots = NUM_SLOTS_CHIP;
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| 105 | number_of_operators = NUMBER_OF_OPERATORS_CHIP; // make sure these are ok
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| 106 | // 9/9/91
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| 107 | do_reset(1);
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| 108 | SetOplMode(fm_mode == MODE_PERC); // 9/23/91 bgf
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| 109 | }
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