1 /* 2 * GUSEMU32 - persistent GUS register state 3 * 4 * Copyright (C) 2000-2007 Tibor "TS" Schütz 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef GUSTATE_H 26 #define GUSTATE_H 27 28 /*state block offset*/ 29 #define gusdata (0) 30 31 /* data stored using this structure is in host byte order! */ 32 33 /*access type*/ 34 #define PortRead (0) 35 #define PortWrite (1) 36 37 #define Port8Bitacc (0) 38 #define Port16Bitacc (1) 39 40 /*voice register offsets (in bytes)*/ 41 #define VSRegs (0) 42 #define VSRControl (0) 43 #define VSRegsEnd (VSRControl+VSRegs + 32*(16*2)) 44 #define VSRFreq (2) 45 #define VSRLoopStartHi (4) 46 #define VSRLoopStartLo (6) 47 #define VSRLoopEndHi (8) 48 #define VSRLoopEndLo (10) 49 #define VSRVolRampRate (12) 50 #define VSRVolRampStartVol (14) 51 #define VSRVolRampEndVol (16) 52 #define VSRCurrVol (18) 53 #define VSRCurrPosHi (20) 54 #define VSRCurrPosLo (22) 55 #define VSRPanning (24) 56 #define VSRVolRampControl (26) 57 58 /*voice register offsets (in words)*/ 59 #define wVSRegs (0) 60 #define wVSRControl (0) 61 #define wVSRegsEnd (wVSRControl+wVSRegs + 32*(16)) 62 #define wVSRFreq (1) 63 #define wVSRLoopStartHi (2) 64 #define wVSRLoopStartLo (3) 65 #define wVSRLoopEndHi (4) 66 #define wVSRLoopEndLo (5) 67 #define wVSRVolRampRate (6) 68 #define wVSRVolRampStartVol (7) 69 #define wVSRVolRampEndVol (8) 70 #define wVSRCurrVol (9) 71 #define wVSRCurrPosHi (10) 72 #define wVSRCurrPosLo (11) 73 #define wVSRPanning (12) 74 #define wVSRVolRampControl (13) 75 76 /*GUS register state block: 32 voices, padding filled with remaining registers*/ 77 #define DataRegLoByte3x4 (VSRVolRampControl+2) 78 #define DataRegWord3x4 (DataRegLoByte3x4) 79 #define DataRegHiByte3x5 (VSRVolRampControl+2 +1) 80 #define DMA_2xB (VSRVolRampControl+2+2) 81 #define IRQ_2xB (VSRVolRampControl+2+3) 82 83 #define RegCtrl_2xF (VSRVolRampControl+2+(16*2)) 84 #define Jumper_2xB (VSRVolRampControl+2+(16*2)+1) 85 #define GUS42DMAStart (VSRVolRampControl+2+(16*2)+2) 86 87 #define GUS43DRAMIOlo (VSRVolRampControl+2+(16*2)*2) 88 #define GUSDRAMPOS24bit (GUS43DRAMIOlo) 89 #define GUS44DRAMIOhi (VSRVolRampControl+2+(16*2)*2+2) 90 91 #define voicewavetableirq (VSRVolRampControl+2+(16*2)*3) /* voice IRQ pseudoqueue: 1 bit per voice */ 92 93 #define voicevolrampirq (VSRVolRampControl+2+(16*2)*4) /* voice IRQ pseudoqueue: 1 bit per voice */ 94 95 #define startvoices (VSRVolRampControl+2+(16*2)*5) /* statistics / optimizations */ 96 97 #define IRQStatReg2x6 (VSRVolRampControl+2+(16*2)*6) 98 #define TimerStatus2x8 (VSRVolRampControl+2+(16*2)*6+1) 99 #define TimerDataReg2x9 (VSRVolRampControl+2+(16*2)*6+2) 100 #define MixerCtrlReg2x0 (VSRVolRampControl+2+(16*2)*6+3) 101 102 #define VoiceSelReg3x2 (VSRVolRampControl+2+(16*2)*7) 103 #define FunkSelReg3x3 (VSRVolRampControl+2+(16*2)*7+1) 104 #define AdLibStatus2x8 (VSRVolRampControl+2+(16*2)*7+2) 105 #define StatRead_2xF (VSRVolRampControl+2+(16*2)*7+3) 106 107 #define GUS48SampSpeed (VSRVolRampControl+2+(16*2)*8) 108 #define GUS41DMACtrl (VSRVolRampControl+2+(16*2)*8+1) 109 #define GUS45TimerCtrl (VSRVolRampControl+2+(16*2)*8+2) 110 #define GUS46Counter1 (VSRVolRampControl+2+(16*2)*8+3) 111 112 #define GUS47Counter2 (VSRVolRampControl+2+(16*2)*9) 113 #define GUS49SampCtrl (VSRVolRampControl+2+(16*2)*9+1) 114 #define GUS4cReset (VSRVolRampControl+2+(16*2)*9+2) 115 #define NumVoices (VSRVolRampControl+2+(16*2)*9+3) 116 117 #define TimerIRQs (VSRVolRampControl+2+(16*2)*10) /* delayed IRQ, statistics */ 118 #define BusyTimerIRQs (VSRVolRampControl+2+(16*2)*10+2) /* delayed IRQ, statistics */ 119 120 #define AdLibCommand2xA (VSRVolRampControl+2+(16*2)*11) 121 #define AdLibData2x9 (VSRVolRampControl+2+(16*2)*11+1) 122 #define SB2xCd (VSRVolRampControl+2+(16*2)*11+2) 123 #define SB2xE (VSRVolRampControl+2+(16*2)*11+3) 124 125 #define SynVoiceIRQ8f (VSRVolRampControl+2+(16*2)*12) 126 #define GUS50DMAHigh (VSRVolRampControl+2+(16*2)*12+1) 127 128 #define portaccesses (VSRegsEnd) /* statistics / suspend mode */ 129 130 #define gusdataend (VSRegsEnd+4) 131 132 #endif /* gustate.h */ 133