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1 | /*************************************************************************** |
2 | * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team * | |
3 | * * | |
4 | * This program is free software; you can redistribute it and/or modify * | |
5 | * it under the terms of the GNU General Public License as published by * | |
6 | * the Free Software Foundation; either version 2 of the License, or * | |
7 | * (at your option) any later version. * | |
8 | * * | |
9 | * This program is distributed in the hope that it will be useful, * | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
12 | * GNU General Public License for more details. * | |
13 | * * | |
14 | * You should have received a copy of the GNU General Public License * | |
15 | * along with this program; if not, write to the * | |
16 | * Free Software Foundation, Inc., * | |
17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA. * | |
18 | ***************************************************************************/ | |
19 | ||
20 | #ifndef __CDROM_H__ | |
21 | #define __CDROM_H__ | |
22 | ||
23 | #ifdef __cplusplus | |
24 | extern "C" { | |
25 | #endif | |
26 | ||
27 | #include "psxcommon.h" | |
28 | #include "decode_xa.h" | |
29 | #include "r3000a.h" | |
30 | #include "plugins.h" | |
31 | #include "psxmem.h" | |
32 | #include "psxhw.h" | |
33 | ||
34 | #define btoi(b) ((b) / 16 * 10 + (b) % 16) /* BCD to u_char */ | |
35 | #define itob(i) ((i) / 10 * 16 + (i) % 10) /* u_char to BCD */ | |
36 | ||
37 | #define MSF2SECT(m, s, f) (((m) * 60 + (s) - 2) * 75 + (f)) | |
38 | ||
39 | #define CD_FRAMESIZE_RAW 2352 | |
40 | #define DATA_SIZE (CD_FRAMESIZE_RAW - 12) | |
41 | ||
42 | #define SUB_FRAMESIZE 96 | |
43 | ||
44 | typedef struct { | |
45 | unsigned char OCUP; | |
46 | unsigned char Reg1Mode; | |
47 | unsigned char Reg2; | |
48 | unsigned char CmdProcess; | |
49 | unsigned char Ctrl; | |
50 | unsigned char Stat; | |
51 | ||
52 | unsigned char StatP; | |
53 | ||
54 | unsigned char Transfer[CD_FRAMESIZE_RAW]; | |
55 | unsigned char *pTransfer; | |
56 | ||
57 | unsigned char Prev[4]; | |
58 | unsigned char Param[8]; | |
59 | unsigned char Result[8]; | |
60 | ||
61 | unsigned char ParamC; | |
62 | unsigned char ParamP; | |
63 | unsigned char ResultC; | |
64 | unsigned char ResultP; | |
65 | unsigned char ResultReady; | |
66 | unsigned char Cmd; | |
67 | unsigned char Readed; | |
68 | u32 Reading; | |
69 | ||
70 | unsigned char ResultTN[6]; | |
71 | unsigned char ResultTD[4]; | |
72 | unsigned char SetSector[4]; | |
73 | unsigned char SetSectorSeek[4]; | |
74 | unsigned char Track; | |
75 | boolean Play, Muted; | |
76 | int CurTrack; | |
77 | int Mode, File, Channel; | |
78 | int Reset; | |
79 | int RErr; | |
80 | int FirstSector; | |
81 | ||
82 | xa_decode_t Xa; | |
83 | ||
84 | int Init; | |
85 | ||
86 | unsigned char Irq; | |
87 | u32 eCycle; | |
88 | ||
89 | boolean Seeked; | |
90 | } cdrStruct; | |
91 | ||
92 | extern cdrStruct cdr; | |
93 | ||
94 | void cdrReset(); | |
95 | void cdrInterrupt(); | |
96 | void cdrReadInterrupt(); | |
97 | unsigned char cdrRead0(void); | |
98 | unsigned char cdrRead1(void); | |
99 | unsigned char cdrRead2(void); | |
100 | unsigned char cdrRead3(void); | |
101 | void cdrWrite0(unsigned char rt); | |
102 | void cdrWrite1(unsigned char rt); | |
103 | void cdrWrite2(unsigned char rt); | |
104 | void cdrWrite3(unsigned char rt); | |
105 | int cdrFreeze(gzFile f, int Mode); | |
106 | ||
107 | #ifdef __cplusplus | |
108 | } | |
109 | #endif | |
110 | #endif |