oplreg.h revision 1.2
1 /* $NetBSD: oplreg.h,v 1.2 1998/08/26 13:08:10 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Lennart Augustsson 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* Offsets from base address */ 39 #define OPL_L 0 40 #define OPL_R 2 41 42 /* Offsets from base+[OPL_L|OPL_R] */ 43 #define OPL_STATUS 0 44 #define OPL_STATUS_IRQ 0x80 45 #define OPL_STATUS_FT1 0x40 46 #define OPL_STATUS_FT2 0x20 47 #define OPL_STATUS_MASK 0xE0 48 #define OPL_ADDR 0 49 #define OPL_DATA 1 50 51 #define OPL_TEST 0x01 52 #define OPL_ENABLE_WAVE_SELECT 0x20 53 54 #define OPL_TIMER1 0x02 55 #define OPL_TIMER2 0x03 56 57 #define OPL_TIMER_CONTROL 0x04 /* Left */ 58 #define OPL_TIMER1_START 0x01 59 #define OPL_TIMER2_START 0x02 60 #define OPL_TIMER2_MASK 0x20 61 #define OPL_TIMER1_MASK 0x40 62 #define OPL_IRQ_RESET 0x80 63 64 #define OPL_CONNECTION_SELECT 0x04 /* Right */ 65 #define OPL_NOCONNECTION 0x00 66 #define OPL_R_4OP_0 0x01 67 #define OPL_R_4OP_1 0x02 68 #define OPL_R_4OP_2 0x04 69 #define OPL_L_4OP_0 0x08 70 #define OPL_L_4OP_1 0x10 71 #define OPL_L_4OP_2 0x20 72 73 #define OPL_MODE 0x05 /* Right */ 74 #define OPL3_ENABLE 0x01 75 #define OPL4_ENABLE 0x02 76 77 #define OPL_KBD_SPLIT 0x08 /* Left */ 78 #define OPL_KEYBOARD_SPLIT 0x40 79 #define OPL_COMPOSITE_SINE_WAVE_MODE 0x80 80 81 #define OPL_PERCUSSION 0xbd /* Left */ 82 #define OPL_NOPERCUSSION 0x00 83 #define OPL_HIHAT 0x01 84 #define OPL_CYMBAL 0x02 85 #define OPL_TOMTOM 0x04 86 #define OPL_SNAREDRUM 0x08 87 #define OPL_BASSDRUM 0x10 88 #define OPL_PERCUSSION_ENABLE 0x20 89 #define OPL_VIBRATO_DEPTH 0x40 90 #define OPL_TREMOLO_DEPTH 0x80 91 92 /* 93 * Offsets to the register banks for operators. 94 */ 95 /* AM/VIB/EG/KSR/Multiple (0x20 to 0x35) */ 96 #define OPL_AM_VIB 0x20 97 #define OPL_KSR 0x10 98 #define OPL_SUSTAIN 0x20 99 #define OPL_VIBRATO 0x40 100 #define OPL_TREMOLO 0x80 101 #define OPL_MULTIPLE_MASK 0x0f 102 103 /* KSL/Total level (0x40 to 0x55) */ 104 #define OPL_KSL_LEVEL 0x40 105 #define OPL_KSL_MASK 0xc0 /* Envelope scaling bits */ 106 #define OPL_TOTAL_LEVEL_MASK 0x3f /* Strength (volume) of OP */ 107 108 /* Attack / Decay rate (0x60 to 0x75) */ 109 #define OPL_ATTACK_DECAY 0x60 110 #define OPL_ATTACK_MASK 0xf0 111 #define DECAY_MASK 0x0f 112 113 /* Sustain level / Release rate (0x80 to 0x95) */ 114 #define OPL_SUSTAIN_RELEASE 0x80 115 #define OPL_SUSTAIN_MASK 0xf0 116 #define OPL_RELEASE_MASK 0x0f 117 118 /* Wave select (0xE0 to 0xF5) */ 119 #define OPL_WAVE_SELECT 0xe0 120 121 #define OPL_MAXREG 0xf5 122 123 /* 124 * Offsets to the register banks for voices. 125 */ 126 /* F-Number low bits (0xA0 to 0xA8). */ 127 #define OPL_FNUM_LOW 0xa0 128 129 /* F-number high bits / Key on / Block (octave) (0xB0 to 0xB8) */ 130 #define OPL_KEYON_BLOCK 0xb0 131 #define OPL_KEYON_BIT 0x20 132 #define OPL_BLOCKNUM_MASK 0x1c 133 #define OPL_FNUM_HIGH_MASK 0x03 134 135 /* Feedback / Connection (0xc0 to 0xc8) */ 136 #define OPL_FEEDBACK_CONNECTION 0xc0 137 #define OPL_FEEDBACK_MASK 0x0e 138 #define OPL_CONNECTION_BIT 0x01 139 #define OPL_STEREO_BITS 0x30 /* OPL-3 only */ 140 #define OPL_VOICE_TO_LEFT 0x10 141 #define OPL_VOICE_TO_RIGHT 0x20 142 143 #define OPL2_NVOICE 9 144 #define OPL3_NVOICE 18 145
Indexes created Mon Sep 29 21:09:56 GMT 2025