1 /* $OpenBSD: oplreg.h,v 1.1 1999/01/02 00:02:40 niklas Exp $ */ 2 /* $NetBSD: oplreg.h,v 1.3 1998/11/25 22:17:06 augustss Exp $ */ 3 4 /* 5 * Copyright (c) 1997 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (augustss@netbsd.org). 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* Offsets from base address */ 41 #define OPL_L 0 42 #define OPL_R 2 43 44 /* Offsets from base+[OPL_L|OPL_R] */ 45 #define OPL_STATUS 0 46 #define OPL_STATUS_IRQ 0x80 47 #define OPL_STATUS_FT1 0x40 48 #define OPL_STATUS_FT2 0x20 49 #define OPL_STATUS_MASK 0xE0 50 #define OPL_ADDR 0 51 #define OPL_DATA 1 52 53 #define OPL_TEST 0x01 54 #define OPL_ENABLE_WAVE_SELECT 0x20 55 56 #define OPL_TIMER1 0x02 57 #define OPL_TIMER2 0x03 58 59 #define OPL_TIMER_CONTROL 0x04 /* Left */ 60 #define OPL_TIMER1_START 0x01 61 #define OPL_TIMER2_START 0x02 62 #define OPL_TIMER2_MASK 0x20 63 #define OPL_TIMER1_MASK 0x40 64 #define OPL_IRQ_RESET 0x80 65 66 #define OPL_CONNECTION_SELECT 0x04 /* Right */ 67 #define OPL_NOCONNECTION 0x00 68 #define OPL_R_4OP_0 0x01 69 #define OPL_R_4OP_1 0x02 70 #define OPL_R_4OP_2 0x04 71 #define OPL_L_4OP_0 0x08 72 #define OPL_L_4OP_1 0x10 73 #define OPL_L_4OP_2 0x20 74 75 #define OPL_MODE 0x05 /* Right */ 76 #define OPL3_ENABLE 0x01 77 #define OPL4_ENABLE 0x02 78 79 #define OPL_KBD_SPLIT 0x08 /* Left */ 80 #define OPL_KEYBOARD_SPLIT 0x40 81 #define OPL_COMPOSITE_SINE_WAVE_MODE 0x80 82 83 #define OPL_PERCUSSION 0xbd /* Left */ 84 #define OPL_NOPERCUSSION 0x00 85 #define OPL_HIHAT 0x01 86 #define OPL_CYMBAL 0x02 87 #define OPL_TOMTOM 0x04 88 #define OPL_SNAREDRUM 0x08 89 #define OPL_BASSDRUM 0x10 90 #define OPL_PERCUSSION_ENABLE 0x20 91 #define OPL_VIBRATO_DEPTH 0x40 92 #define OPL_TREMOLO_DEPTH 0x80 93 94 /* 95 * Offsets to the register banks for operators. 96 */ 97 /* AM/VIB/EG/KSR/Multiple (0x20 to 0x35) */ 98 #define OPL_AM_VIB 0x20 99 #define OPL_KSR 0x10 100 #define OPL_SUSTAIN 0x20 101 #define OPL_VIBRATO 0x40 102 #define OPL_TREMOLO 0x80 103 #define OPL_MULTIPLE_MASK 0x0f 104 105 /* KSL/Total level (0x40 to 0x55) */ 106 #define OPL_KSL_LEVEL 0x40 107 #define OPL_KSL_MASK 0xc0 /* Envelope scaling bits */ 108 #define OPL_TOTAL_LEVEL_MASK 0x3f /* Strength (volume) of OP */ 109 110 /* Attack / Decay rate (0x60 to 0x75) */ 111 #define OPL_ATTACK_DECAY 0x60 112 #define OPL_ATTACK_MASK 0xf0 113 #define DECAY_MASK 0x0f 114 115 /* Sustain level / Release rate (0x80 to 0x95) */ 116 #define OPL_SUSTAIN_RELEASE 0x80 117 #define OPL_SUSTAIN_MASK 0xf0 118 #define OPL_RELEASE_MASK 0x0f 119 120 /* Wave select (0xE0 to 0xF5) */ 121 #define OPL_WAVE_SELECT 0xe0 122 123 #define OPL_MAXREG 0xf5 124 125 /* 126 * Offsets to the register banks for voices. 127 */ 128 /* F-Number low bits (0xA0 to 0xA8). */ 129 #define OPL_FNUM_LOW 0xa0 130 131 /* F-number high bits / Key on / Block (octave) (0xB0 to 0xB8) */ 132 #define OPL_KEYON_BLOCK 0xb0 133 #define OPL_KEYON_BIT 0x20 134 #define OPL_BLOCKNUM_MASK 0x1c 135 #define OPL_FNUM_HIGH_MASK 0x03 136 137 /* Feedback / Connection (0xc0 to 0xc8) */ 138 #define OPL_FEEDBACK_CONNECTION 0xc0 139 #define OPL_FEEDBACK_MASK 0x0e 140 #define OPL_CONNECTION_BIT 0x01 141 #define OPL_STEREO_BITS 0x30 /* OPL-3 only */ 142 #define OPL_VOICE_TO_LEFT 0x10 143 #define OPL_VOICE_TO_RIGHT 0x20 144 145 #define OPL2_NVOICE 9 146 #define OPL3_NVOICE 18 147