pcsx2/CDVD/CdRom.h

/*  PCSX2 - PS2 Emulator for PCs
 *  Copyright (C) 2002-2010  PCSX2 Dev Team
 *
 *  PCSX2 is free software: you can redistribute it and/or modify it under the terms
 *  of the GNU Lesser General Public License as published by the Free Software Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 *  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 *  PURPOSE.  See the GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along with PCSX2.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __CDROM_H__
#define __CDROM_H__

#include "IopCommon.h"
#include "PS2Edefs.h"

// Not used.
typedef struct {
        s32     y0, y1;
} ADPCM_Decode_t;

// Not used.
typedef struct {
        s32                             freq;
        s32                             nbits;
        s32                             stereo;
        s32                             nsamples;
        ADPCM_Decode_t  left, right;
        s16                     pcm[16384];
} xa_decode_t;

struct cdrStruct
{
        u8 OCUP;
        u8 Reg1Mode;
        u8 Reg2;
        u8 CmdProcess;
        u8 Ctrl;
        u8 Stat;

        u8 StatP;

        u8 Transfer[2352];
        u8 *pTransfer;

        u8 Prev[4];
        u8 Param[8];
        u8 Result[8];

        u8 ParamC;
        u8 ParamP;
        u8 ResultC;
        u8 ResultP;
        u8 ResultReady;
        u8 Cmd;
        u8 Readed;
        u32 Reading;

        cdvdTN ResultTN;
        u8 ResultTD[4];
        u8 SetSector[4];
        u8 SetSectorSeek[4];
        u8 Track;
        int Play;
        int CurTrack;
        int Mode, File, Channel, Muted;
        int Reset;
        int RErr;
        int FirstSector;

        xa_decode_t Xa;

        int Init;

        u8 Irq;
        u32 eCycle;

        char Unused[4087];
};

extern cdrStruct cdr;

void cdrReset();
void  cdrInterrupt();
void  cdrReadInterrupt();
u8   cdrRead0(void);
u8   cdrRead1(void);
u8   cdrRead2(void);
u8   cdrRead3(void);
void cdrWrite0(u8 rt);
void cdrWrite1(u8 rt);
void cdrWrite2(u8 rt);
void cdrWrite3(u8 rt);

#endif /* __CDROM_H__ */
1	/* PCSX2 - PS2 Emulator for PCs
2	* Copyright (C) 2002-2010 PCSX2 Dev Team
3	*
4	* PCSX2 is free software: you can redistribute it and/or modify it under the terms
5	* of the GNU Lesser General Public License as published by the Free Software Found-
6	* ation, either version 3 of the License, or (at your option) any later version.
7	*
8	* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
9	* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
10	* PURPOSE. See the GNU General Public License for more details.
11	*
12	* You should have received a copy of the GNU General Public License along with PCSX2.
13	* If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#ifndef __CDROM_H__
17	#define __CDROM_H__
18
19	#include "IopCommon.h"
20	#include "PS2Edefs.h"
21
22	// Not used.
23	typedef struct {
24	s32 y0, y1;
25	} ADPCM_Decode_t;
26
27	// Not used.
28	typedef struct {
29	s32 freq;
30	s32 nbits;
31	s32 stereo;
32	s32 nsamples;
33	ADPCM_Decode_t left, right;
34	s16 pcm[16384];
35	} xa_decode_t;
36
37	struct cdrStruct
38	{
39	u8 OCUP;
40	u8 Reg1Mode;
41	u8 Reg2;
42	u8 CmdProcess;
43	u8 Ctrl;
44	u8 Stat;
45
46	u8 StatP;
47
48	u8 Transfer[2352];
49	u8 *pTransfer;
50
51	u8 Prev[4];
52	u8 Param[8];
53	u8 Result[8];
54
55	u8 ParamC;
56	u8 ParamP;
57	u8 ResultC;
58	u8 ResultP;
59	u8 ResultReady;
60	u8 Cmd;
61	u8 Readed;
62	u32 Reading;
63
64	cdvdTN ResultTN;
65	u8 ResultTD[4];
66	u8 SetSector[4];
67	u8 SetSectorSeek[4];
68	u8 Track;
69	int Play;
70	int CurTrack;
71	int Mode, File, Channel, Muted;
72	int Reset;
73	int RErr;
74	int FirstSector;
75
76	xa_decode_t Xa;
77
78	int Init;
79
80	u8 Irq;
81	u32 eCycle;
82
83	char Unused[4087];
84	};
85
86	extern cdrStruct cdr;
87
88	void cdrReset();
89	void cdrInterrupt();
90	void cdrReadInterrupt();
91	u8 cdrRead0(void);
92	u8 cdrRead1(void);
93	u8 cdrRead2(void);
94	u8 cdrRead3(void);
95	void cdrWrite0(u8 rt);
96	void cdrWrite1(u8 rt);
97	void cdrWrite2(u8 rt);
98	void cdrWrite3(u8 rt);
99
100	#endif /* __CDROM_H__ */