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