hw/gustate.h

   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 */