1 /* $NetBSD: oplreg.h,v 1.6 2008/04/28 20:23:51 martin 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@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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* Offsets from base address */ 33 #define OPL_L 0 34 #define OPL_R 2 35 36 /* Offsets from base+[OPL_L|OPL_R] */ 37 #define OPL_STATUS 0 38 #define OPL_STATUS_IRQ 0x80 39 #define OPL_STATUS_FT1 0x40 40 #define OPL_STATUS_FT2 0x20 41 #define OPL_STATUS_MASK 0xE0 42 #define OPL_ADDR 0 43 #define OPL_DATA 1 44 45 #define OPL_TEST 0x01 46 #define OPL_ENABLE_WAVE_SELECT 0x20 47 48 #define OPL_TIMER1 0x02 49 #define OPL_TIMER2 0x03 50 51 #define OPL_TIMER_CONTROL 0x04 /* Left */ 52 #define OPL_TIMER1_START 0x01 53 #define OPL_TIMER2_START 0x02 54 #define OPL_TIMER2_MASK 0x20 55 #define OPL_TIMER1_MASK 0x40 56 #define OPL_IRQ_RESET 0x80 57 58 #define OPL_CONNECTION_SELECT 0x04 /* Right */ 59 #define OPL_NOCONNECTION 0x00 60 #define OPL_R_4OP_0 0x01 61 #define OPL_R_4OP_1 0x02 62 #define OPL_R_4OP_2 0x04 63 #define OPL_L_4OP_0 0x08 64 #define OPL_L_4OP_1 0x10 65 #define OPL_L_4OP_2 0x20 66 67 #define OPL_MODE 0x05 /* Right */ 68 #define OPL3_ENABLE 0x01 69 #define OPL4_ENABLE 0x02 70 71 #define OPL_KBD_SPLIT 0x08 /* Left */ 72 #define OPL_KEYBOARD_SPLIT 0x40 73 #define OPL_COMPOSITE_SINE_WAVE_MODE 0x80 74 75 #define OPL_PERCUSSION 0xbd /* Left */ 76 #define OPL_NOPERCUSSION 0x00 77 #define OPL_HIHAT 0x01 78 #define OPL_CYMBAL 0x02 79 #define OPL_TOMTOM 0x04 80 #define OPL_SNAREDRUM 0x08 81 #define OPL_BASSDRUM 0x10 82 #define OPL_PERCUSSION_ENABLE 0x20 83 #define OPL_VIBRATO_DEPTH 0x40 84 #define OPL_TREMOLO_DEPTH 0x80 85 86 /* 87 * Offsets to the register banks for operators. 88 */ 89 /* AM/VIB/EG/KSR/Multiple (0x20 to 0x35) */ 90 #define OPL_AM_VIB 0x20 91 #define OPL_KSR 0x10 92 #define OPL_SUSTAIN 0x20 93 #define OPL_VIBRATO 0x40 94 #define OPL_TREMOLO 0x80 95 #define OPL_MULTIPLE_MASK 0x0f 96 97 /* KSL/Total level (0x40 to 0x55) */ 98 #define OPL_KSL_LEVEL 0x40 99 #define OPL_KSL_MASK 0xc0 /* Envelope scaling bits */ 100 #define OPL_TOTAL_LEVEL_MASK 0x3f /* Strength (volume) of OP */ 101 102 /* Attack / Decay rate (0x60 to 0x75) */ 103 #define OPL_ATTACK_DECAY 0x60 104 #define OPL_ATTACK_MASK 0xf0 105 #define DECAY_MASK 0x0f 106 107 /* Sustain level / Release rate (0x80 to 0x95) */ 108 #define OPL_SUSTAIN_RELEASE 0x80 109 #define OPL_SUSTAIN_MASK 0xf0 110 #define OPL_RELEASE_MASK 0x0f 111 112 /* Wave select (0xE0 to 0xF5) */ 113 #define OPL_WAVE_SELECT 0xe0 114 115 #define OPL_MAXREG 0xf5 116 117 /* 118 * Offsets to the register banks for voices. 119 */ 120 /* F-Number low bits (0xA0 to 0xA8). */ 121 #define OPL_FNUM_LOW 0xa0 122 123 /* F-number high bits / Key on / Block (octave) (0xB0 to 0xB8) */ 124 #define OPL_KEYON_BLOCK 0xb0 125 #define OPL_KEYON_BIT 0x20 126 #define OPL_BLOCKNUM_MASK 0x1c 127 #define OPL_FNUM_HIGH_MASK 0x03 128 129 /* Feedback / Connection (0xc0 to 0xc8) */ 130 #define OPL_FEEDBACK_CONNECTION 0xc0 131 #define OPL_FEEDBACK_MASK 0x0e 132 #define OPL_CONNECTION_BIT 0x01 133 #define OPL_STEREO_BITS 0x30 /* OPL-3 only */ 134 #define OPL_VOICE_TO_LEFT 0x10 135 #define OPL_VOICE_TO_RIGHT 0x20 136 137 #define OPL2_NVOICE 9 138 #define OPL3_NVOICE 18 139