mirror of
https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 07:17:45 -04:00
efcba75f8a
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@574 be3aeb3a-fb24-0410-a615-afba39da0efa
111 lines
2.9 KiB
C
111 lines
2.9 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 _CD_SYS_H
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#define _CD_SYS_H
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#include "cd_file.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define INT_TO_BCDB(c) \
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((c) > 99)?(0x99):((((c) / 10) << 4) + ((c) % 10));
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#define INT_TO_BCDW(c) \
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((c) > 99)?(0x0909):((((c) / 10) << 8) + ((c) % 10));
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#define BCDB_TO_INT(c) \
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(((c) >> 4) * 10) + ((c) & 0xF);
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#define BCDW_TO_INT(c) \
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(((c) >> 8) * 10) + ((c) & 0xF);
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typedef struct
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{
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unsigned char M;
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unsigned char S;
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unsigned char F;
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} _msf;
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typedef struct
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{
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// unsigned char Type; // always 1 (data) for 1st track, 0 (audio) for others
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// unsigned char Num; // unused
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_msf MSF;
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//
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char ftype; // TYPE_ISO, TYPE_BIN, TYPE_MP3
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void *F;
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int Length;
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int Offset; // sector offset, when single file is used for multiple virtual tracks
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short KBtps; // kbytes per sec for mp3s (bitrate / 1000 / 8)
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short pad;
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} _scd_track;
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typedef struct
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{
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// unsigned char First_Track; // always 1
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_scd_track Tracks[100];
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unsigned int Last_Track;
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} _scd_toc;
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typedef struct {
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unsigned int Status_CDD;
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unsigned int Status_CDC;
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int Cur_LBA;
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unsigned int Cur_Track;
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int File_Add_Delay;
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char CDD_Complete;
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int pad[6];
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} _scd;
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PICO_INTERNAL void LBA_to_MSF(int lba, _msf *MSF);
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PICO_INTERNAL int Track_to_LBA(int track);
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// moved to pico.h
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// int Insert_CD(char *iso_name, int is_bin);
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// void Stop_CD(void);
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PICO_INTERNAL void Check_CD_Command(void);
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PICO_INTERNAL int Init_CD_Driver(void);
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PICO_INTERNAL void End_CD_Driver(void);
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PICO_INTERNAL void Reset_CD(void);
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PICO_INTERNAL int Get_Status_CDD_c0(void);
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PICO_INTERNAL int Stop_CDD_c1(void);
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PICO_INTERNAL int Get_Pos_CDD_c20(void);
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PICO_INTERNAL int Get_Track_Pos_CDD_c21(void);
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PICO_INTERNAL int Get_Current_Track_CDD_c22(void);
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PICO_INTERNAL int Get_Total_Lenght_CDD_c23(void);
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PICO_INTERNAL int Get_First_Last_Track_CDD_c24(void);
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PICO_INTERNAL int Get_Track_Adr_CDD_c25(void);
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PICO_INTERNAL int Play_CDD_c3(void);
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PICO_INTERNAL int Seek_CDD_c4(void);
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PICO_INTERNAL int Pause_CDD_c6(void);
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PICO_INTERNAL int Resume_CDD_c7(void);
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PICO_INTERNAL int Fast_Foward_CDD_c8(void);
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PICO_INTERNAL int Fast_Rewind_CDD_c9(void);
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PICO_INTERNAL int CDD_cA(void);
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PICO_INTERNAL int Close_Tray_CDD_cC(void);
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PICO_INTERNAL int Open_Tray_CDD_cD(void);
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PICO_INTERNAL int CDD_Def(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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