mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-10-27 00:29:39 -04:00
1cfc5cc4ce
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@576 be3aeb3a-fb24-0410-a615-afba39da0efa
135 lines
2.5 KiB
C
135 lines
2.5 KiB
C
/***********************************************************
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* *
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* This source was taken from the Gens project *
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* Written by Stéphane Dallongeville *
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* Copyright (c) 2002 by Stéphane Dallongeville *
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* Modified/adapted for PicoDrive by notaz, 2007 *
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* *
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***********************************************************/
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#ifndef _LC89510_H
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#define _LC89510_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct
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{
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unsigned char Buffer[(32 * 1024 * 2) + 2352];
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// unsigned int Host_Data; // unused
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// unsigned int DMA_Adr; // 0A
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// unsigned int Stop_Watch; // 0C
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unsigned int COMIN;
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unsigned int IFSTAT;
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union
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{
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struct
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{
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unsigned char L;
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unsigned char H;
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unsigned short unused;
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} B;
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int N;
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} DBC;
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union
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{
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struct
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{
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unsigned char L;
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unsigned char H;
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unsigned short unused;
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} B;
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int N;
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} DAC;
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union
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{
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struct
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{
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unsigned char B0;
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unsigned char B1;
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unsigned char B2;
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unsigned char B3;
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} B;
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unsigned int N;
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} HEAD;
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union
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{
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struct
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{
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unsigned char L;
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unsigned char H;
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unsigned short unused;
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} B;
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int N;
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} PT;
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union
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{
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struct
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{
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unsigned char L;
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unsigned char H;
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unsigned short unused;
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} B;
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int N;
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} WA;
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union
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{
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struct
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{
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unsigned char B0;
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unsigned char B1;
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unsigned char B2;
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unsigned char B3;
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} B;
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unsigned int N;
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} STAT;
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unsigned int SBOUT;
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unsigned int IFCTRL;
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union
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{
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struct
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{
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unsigned char B0;
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unsigned char B1;
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unsigned char B2;
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unsigned char B3;
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} B;
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unsigned int N;
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} CTRL;
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unsigned int Decode_Reg_Read;
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} CDC;
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typedef struct
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{
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// unsigned short Fader; // 34
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// unsigned short Control; // 36
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// unsigned short Cur_Comm;// unused
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// "Receive status"
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unsigned short Status;
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unsigned short Minute;
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unsigned short Seconde;
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unsigned short Frame;
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unsigned char Ext;
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unsigned char pad[3];
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} CDD;
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PICO_INTERNAL_ASM unsigned short Read_CDC_Host(int is_sub);
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PICO_INTERNAL void LC89510_Reset(void);
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PICO_INTERNAL void Update_CDC_TRansfer(int which);
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PICO_INTERNAL void CDC_Update_Header(void);
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PICO_INTERNAL unsigned char CDC_Read_Reg(void);
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PICO_INTERNAL void CDC_Write_Reg(unsigned char Data);
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PICO_INTERNAL void CDD_Export_Status(void);
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PICO_INTERNAL void CDD_Import_Command(void);
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#ifdef __cplusplus
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};
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#endif
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#endif
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