Pico/cd/LC89510.h

   1 /***********************************************************\r
   2  *                                                         *\r
   3  * This source was taken from the Gens project             *\r
   4  * Written by Stéphane Dallongeville                       *\r
   5  * Copyright (c) 2002 by Stéphane Dallongeville            *\r
   6  * Modified/adapted for PicoDrive by notaz, 2007           *\r
   7  *                                                         *\r
   8  ***********************************************************/\r
   9 \r
  10 #ifndef _LC89510_H\r
  11 #define _LC89510_H\r
  12 \r
  13 #ifdef __cplusplus\r
  14 extern "C" {\r
  15 #endif\r
  16 \r
  17 typedef struct\r
  18 {\r
  19         unsigned char Buffer[(32 * 1024 * 2) + 2352];\r
  20 //      unsigned int Host_Data;         // unused\r
  21 //      unsigned int DMA_Adr;           // 0A\r
  22 //      unsigned int Stop_Watch;        // 0C\r
  23         unsigned int COMIN;\r
  24         unsigned int IFSTAT;\r
  25         union\r
  26         {\r
  27                 struct\r
  28                 {\r
  29                         unsigned char L;\r
  30                         unsigned char H;\r
  31                         unsigned short unused;\r
  32                 } B;\r
  33                 int N;\r
  34         } DBC;\r
  35         union\r
  36         {\r
  37                 struct\r
  38                 {\r
  39                         unsigned char L;\r
  40                         unsigned char H;\r
  41                         unsigned short unused;\r
  42                 } B;\r
  43                 int N;\r
  44         } DAC;\r
  45         union\r
  46         {\r
  47                 struct\r
  48                 {\r
  49                         unsigned char B0;\r
  50                         unsigned char B1;\r
  51                         unsigned char B2;\r
  52                         unsigned char B3;\r
  53                 } B;\r
  54                 unsigned int N;\r
  55         } HEAD;\r
  56         union\r
  57         {\r
  58                 struct\r
  59                 {\r
  60                         unsigned char L;\r
  61                         unsigned char H;\r
  62                         unsigned short unused;\r
  63                 } B;\r
  64                 int N;\r
  65         } PT;\r
  66         union\r
  67         {\r
  68                 struct\r
  69                 {\r
  70                         unsigned char L;\r
  71                         unsigned char H;\r
  72                         unsigned short unused;\r
  73                 } B;\r
  74                 int N;\r
  75         } WA;\r
  76         union\r
  77         {\r
  78                 struct\r
  79                 {\r
  80                         unsigned char B0;\r
  81                         unsigned char B1;\r
  82                         unsigned char B2;\r
  83                         unsigned char B3;\r
  84                 } B;\r
  85                 unsigned int N;\r
  86         } STAT;\r
  87         unsigned int SBOUT;\r
  88         unsigned int IFCTRL;\r
  89         union\r
  90         {\r
  91                 struct\r
  92                 {\r
  93                         unsigned char B0;\r
  94                         unsigned char B1;\r
  95                         unsigned char B2;\r
  96                         unsigned char B3;\r
  97                 } B;\r
  98                 unsigned int N;\r
  99         } CTRL;\r
 100         unsigned int Decode_Reg_Read;\r
 101 } CDC;\r
 102 \r
 103 typedef struct\r
 104 {\r
 105 //      unsigned short Fader;   // 34\r
 106 //      unsigned short Control; // 36\r
 107 //      unsigned short Cur_Comm;// unused\r
 108 \r
 109         // "Receive status"\r
 110         unsigned short Status;\r
 111         unsigned short Minute;\r
 112         unsigned short Seconde;\r
 113         unsigned short Frame;\r
 114         unsigned char  Ext;\r
 115         unsigned char  pad[3];\r
 116 } CDD;\r
 117 \r
 118 \r
 119 PICO_INTERNAL_ASM unsigned short Read_CDC_Host(int is_sub);\r
 120 PICO_INTERNAL void LC89510_Reset(void);\r
 121 PICO_INTERNAL void Update_CDC_TRansfer(int which);\r
 122 PICO_INTERNAL void CDC_Update_Header(void);\r
 123 \r
 124 PICO_INTERNAL unsigned char CDC_Read_Reg(void);\r
 125 PICO_INTERNAL void CDC_Write_Reg(unsigned char Data);\r
 126 \r
 127 PICO_INTERNAL void CDD_Export_Status(void);\r
 128 PICO_INTERNAL void CDD_Import_Command(void);\r
 129 \r
 130 #ifdef __cplusplus\r
 131 };\r
 132 #endif\r
 133 \r
 134 #endif\r
 135 \r