oplreg.h revision 1.4
1 /* $NetBSD: oplreg.h,v 1.4 2003/12/04 13:57:30 keihan Exp $ */ 2 3 /* 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss (at) NetBSD.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* Offsets from base address */ 40 #define OPL_L 0 41 #define OPL_R 2 42 43 /* Offsets from base+[OPL_L|OPL_R] */ 44 #define OPL_STATUS 0 45 #define OPL_STATUS_IRQ 0x80 46 #define OPL_STATUS_FT1 0x40 47 #define OPL_STATUS_FT2 0x20 48 #define OPL_STATUS_MASK 0xE0 49 #define OPL_ADDR 0 50 #define OPL_DATA 1 51 52 #define OPL_TEST 0x01 53 #define OPL_ENABLE_WAVE_SELECT 0x20 54 55 #define OPL_TIMER1 0x02 56 #define OPL_TIMER2 0x03 57 58 #define OPL_TIMER_CONTROL 0x04 /* Left */ 59 #define OPL_TIMER1_START 0x01 60 #define OPL_TIMER2_START 0x02 61 #define OPL_TIMER2_MASK 0x20 62 #define OPL_TIMER1_MASK 0x40 63 #define OPL_IRQ_RESET 0x80 64 65 #define OPL_CONNECTION_SELECT 0x04 /* Right */ 66 #define OPL_NOCONNECTION 0x00 67 #define OPL_R_4OP_0 0x01 68 #define OPL_R_4OP_1 0x02 69 #define OPL_R_4OP_2 0x04 70 #define OPL_L_4OP_0 0x08 71 #define OPL_L_4OP_1 0x10 72 #define OPL_L_4OP_2 0x20 73 74 #define OPL_MODE 0x05 /* Right */ 75 #define OPL3_ENABLE 0x01 76 #define OPL4_ENABLE 0x02 77 78 #define OPL_KBD_SPLIT 0x08 /* Left */ 79 #define OPL_KEYBOARD_SPLIT 0x40 80 #define OPL_COMPOSITE_SINE_WAVE_MODE 0x80 81 82 #define OPL_PERCUSSION 0xbd /* Left */ 83 #define OPL_NOPERCUSSION 0x00 84 #define OPL_HIHAT 0x01 85 #define OPL_CYMBAL 0x02 86 #define OPL_TOMTOM 0x04 87 #define OPL_SNAREDRUM 0x08 88 #define OPL_BASSDRUM 0x10 89 #define OPL_PERCUSSION_ENABLE 0x20 90 #define OPL_VIBRATO_DEPTH 0x40 91 #define OPL_TREMOLO_DEPTH 0x80 92 93 /* 94 * Offsets to the register banks for operators. 95 */ 96 /* AM/VIB/EG/KSR/Multiple (0x20 to 0x35) */ 97 #define OPL_AM_VIB 0x20 98 #define OPL_KSR 0x10 99 #define OPL_SUSTAIN 0x20 100 #define OPL_VIBRATO 0x40 101 #define OPL_TREMOLO 0x80 102 #define OPL_MULTIPLE_MASK 0x0f 103 104 /* KSL/Total level (0x40 to 0x55) */ 105 #define OPL_KSL_LEVEL 0x40 106 #define OPL_KSL_MASK 0xc0 /* Envelope scaling bits */ 107 #define OPL_TOTAL_LEVEL_MASK 0x3f /* Strength (volume) of OP */ 108 109 /* Attack / Decay rate (0x60 to 0x75) */ 110 #define OPL_ATTACK_DECAY 0x60 111 #define OPL_ATTACK_MASK 0xf0 112 #define DECAY_MASK 0x0f 113 114 /* Sustain level / Release rate (0x80 to 0x95) */ 115 #define OPL_SUSTAIN_RELEASE 0x80 116 #define OPL_SUSTAIN_MASK 0xf0 117 #define OPL_RELEASE_MASK 0x0f 118 119 /* Wave select (0xE0 to 0xF5) */ 120 #define OPL_WAVE_SELECT 0xe0 121 122 #define OPL_MAXREG 0xf5 123 124 /* 125 * Offsets to the register banks for voices. 126 */ 127 /* F-Number low bits (0xA0 to 0xA8). */ 128 #define OPL_FNUM_LOW 0xa0 129 130 /* F-number high bits / Key on / Block (octave) (0xB0 to 0xB8) */ 131 #define OPL_KEYON_BLOCK 0xb0 132 #define OPL_KEYON_BIT 0x20 133 #define OPL_BLOCKNUM_MASK 0x1c 134 #define OPL_FNUM_HIGH_MASK 0x03 135 136 /* Feedback / Connection (0xc0 to 0xc8) */ 137 #define OPL_FEEDBACK_CONNECTION 0xc0 138 #define OPL_FEEDBACK_MASK 0x0e 139 #define OPL_CONNECTION_BIT 0x01 140 #define OPL_STEREO_BITS 0x30 /* OPL-3 only */ 141 #define OPL_VOICE_TO_LEFT 0x10 142 #define OPL_VOICE_TO_RIGHT 0x20 143 144 #define OPL2_NVOICE 9 145 #define OPL3_NVOICE 18 146
Indexes created Mon Sep 29 18:09:42 GMT 2025