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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 __PSXMEMORY_H__ | |
21 | #define __PSXMEMORY_H__ | |
22 | ||
23 | #ifdef __cplusplus | |
24 | extern "C" { | |
25 | #endif | |
26 | ||
27 | #include "psxcommon.h" | |
28 | ||
29 | #if defined(__BIGENDIAN__) | |
30 | ||
31 | #define _SWAP16(b) ((((unsigned char *)&(b))[0] & 0xff) | (((unsigned char *)&(b))[1] & 0xff) << 8) | |
32 | #define _SWAP32(b) ((((unsigned char *)&(b))[0] & 0xff) | ((((unsigned char *)&(b))[1] & 0xff) << 8) | ((((unsigned char *)&(b))[2] & 0xff) << 16) | (((unsigned char *)&(b))[3] << 24)) | |
33 | ||
34 | #define SWAP16(v) ((((v) & 0xff00) >> 8) +(((v) & 0xff) << 8)) | |
35 | #define SWAP32(v) ((((v) & 0xff000000ul) >> 24) + (((v) & 0xff0000ul) >> 8) + (((v) & 0xff00ul)<<8) +(((v) & 0xfful) << 24)) | |
36 | #define SWAPu32(v) SWAP32((u32)(v)) | |
37 | #define SWAPs32(v) SWAP32((s32)(v)) | |
38 | ||
39 | #define SWAPu16(v) SWAP16((u16)(v)) | |
40 | #define SWAPs16(v) SWAP16((s16)(v)) | |
41 | ||
42 | #else | |
43 | ||
44 | #define SWAP16(b) (b) | |
45 | #define SWAP32(b) (b) | |
46 | ||
47 | #define SWAPu16(b) (b) | |
48 | #define SWAPu32(b) (b) | |
49 | ||
50 | #endif | |
51 | ||
b012a437 PC |
52 | #define INVALID_PTR ((void *)-1) |
53 | ||
ef79bbde P |
54 | extern s8 *psxM; |
55 | #define psxMs8(mem) psxM[(mem) & 0x1fffff] | |
56 | #define psxMs16(mem) (SWAP16(*(s16 *)&psxM[(mem) & 0x1fffff])) | |
57 | #define psxMs32(mem) (SWAP32(*(s32 *)&psxM[(mem) & 0x1fffff])) | |
58 | #define psxMu8(mem) (*(u8 *)&psxM[(mem) & 0x1fffff]) | |
59 | #define psxMu16(mem) (SWAP16(*(u16 *)&psxM[(mem) & 0x1fffff])) | |
60 | #define psxMu32(mem) (SWAP32(*(u32 *)&psxM[(mem) & 0x1fffff])) | |
61 | ||
62 | #define psxMs8ref(mem) psxM[(mem) & 0x1fffff] | |
63 | #define psxMs16ref(mem) (*(s16 *)&psxM[(mem) & 0x1fffff]) | |
64 | #define psxMs32ref(mem) (*(s32 *)&psxM[(mem) & 0x1fffff]) | |
65 | #define psxMu8ref(mem) (*(u8 *)&psxM[(mem) & 0x1fffff]) | |
66 | #define psxMu16ref(mem) (*(u16 *)&psxM[(mem) & 0x1fffff]) | |
67 | #define psxMu32ref(mem) (*(u32 *)&psxM[(mem) & 0x1fffff]) | |
68 | ||
69 | extern s8 *psxP; | |
70 | #define psxPs8(mem) psxP[(mem) & 0xffff] | |
71 | #define psxPs16(mem) (SWAP16(*(s16 *)&psxP[(mem) & 0xffff])) | |
72 | #define psxPs32(mem) (SWAP32(*(s32 *)&psxP[(mem) & 0xffff])) | |
73 | #define psxPu8(mem) (*(u8 *)&psxP[(mem) & 0xffff]) | |
74 | #define psxPu16(mem) (SWAP16(*(u16 *)&psxP[(mem) & 0xffff])) | |
75 | #define psxPu32(mem) (SWAP32(*(u32 *)&psxP[(mem) & 0xffff])) | |
76 | ||
77 | #define psxPs8ref(mem) psxP[(mem) & 0xffff] | |
78 | #define psxPs16ref(mem) (*(s16 *)&psxP[(mem) & 0xffff]) | |
79 | #define psxPs32ref(mem) (*(s32 *)&psxP[(mem) & 0xffff]) | |
80 | #define psxPu8ref(mem) (*(u8 *)&psxP[(mem) & 0xffff]) | |
81 | #define psxPu16ref(mem) (*(u16 *)&psxP[(mem) & 0xffff]) | |
82 | #define psxPu32ref(mem) (*(u32 *)&psxP[(mem) & 0xffff]) | |
83 | ||
84 | extern s8 *psxR; | |
85 | #define psxRs8(mem) psxR[(mem) & 0x7ffff] | |
86 | #define psxRs16(mem) (SWAP16(*(s16 *)&psxR[(mem) & 0x7ffff])) | |
87 | #define psxRs32(mem) (SWAP32(*(s32 *)&psxR[(mem) & 0x7ffff])) | |
88 | #define psxRu8(mem) (*(u8* )&psxR[(mem) & 0x7ffff]) | |
89 | #define psxRu16(mem) (SWAP16(*(u16 *)&psxR[(mem) & 0x7ffff])) | |
90 | #define psxRu32(mem) (SWAP32(*(u32 *)&psxR[(mem) & 0x7ffff])) | |
91 | ||
92 | #define psxRs8ref(mem) psxR[(mem) & 0x7ffff] | |
93 | #define psxRs16ref(mem) (*(s16*)&psxR[(mem) & 0x7ffff]) | |
94 | #define psxRs32ref(mem) (*(s32*)&psxR[(mem) & 0x7ffff]) | |
95 | #define psxRu8ref(mem) (*(u8 *)&psxR[(mem) & 0x7ffff]) | |
96 | #define psxRu16ref(mem) (*(u16*)&psxR[(mem) & 0x7ffff]) | |
97 | #define psxRu32ref(mem) (*(u32*)&psxR[(mem) & 0x7ffff]) | |
98 | ||
99 | extern s8 *psxH; | |
100 | #define psxHs8(mem) psxH[(mem) & 0xffff] | |
101 | #define psxHs16(mem) (SWAP16(*(s16 *)&psxH[(mem) & 0xffff])) | |
102 | #define psxHs32(mem) (SWAP32(*(s32 *)&psxH[(mem) & 0xffff])) | |
103 | #define psxHu8(mem) (*(u8 *)&psxH[(mem) & 0xffff]) | |
104 | #define psxHu16(mem) (SWAP16(*(u16 *)&psxH[(mem) & 0xffff])) | |
105 | #define psxHu32(mem) (SWAP32(*(u32 *)&psxH[(mem) & 0xffff])) | |
106 | ||
107 | #define psxHs8ref(mem) psxH[(mem) & 0xffff] | |
108 | #define psxHs16ref(mem) (*(s16 *)&psxH[(mem) & 0xffff]) | |
109 | #define psxHs32ref(mem) (*(s32 *)&psxH[(mem) & 0xffff]) | |
110 | #define psxHu8ref(mem) (*(u8 *)&psxH[(mem) & 0xffff]) | |
111 | #define psxHu16ref(mem) (*(u16 *)&psxH[(mem) & 0xffff]) | |
112 | #define psxHu32ref(mem) (*(u32 *)&psxH[(mem) & 0xffff]) | |
113 | ||
114 | extern u8 **psxMemWLUT; | |
115 | extern u8 **psxMemRLUT; | |
116 | ||
b012a437 | 117 | #define PSXM(mem) (psxMemRLUT[(mem) >> 16] == INVALID_PTR ? INVALID_PTR : (u8*)(psxMemRLUT[(mem) >> 16] + ((mem) & 0xffff))) |
ef79bbde P |
118 | #define PSXMs8(mem) (*(s8 *)PSXM(mem)) |
119 | #define PSXMs16(mem) (SWAP16(*(s16 *)PSXM(mem))) | |
120 | #define PSXMs32(mem) (SWAP32(*(s32 *)PSXM(mem))) | |
121 | #define PSXMu8(mem) (*(u8 *)PSXM(mem)) | |
122 | #define PSXMu16(mem) (SWAP16(*(u16 *)PSXM(mem))) | |
123 | #define PSXMu32(mem) (SWAP32(*(u32 *)PSXM(mem))) | |
124 | ||
125 | #define PSXMu32ref(mem) (*(u32 *)PSXM(mem)) | |
126 | ||
ef79bbde P |
127 | int psxMemInit(); |
128 | void psxMemReset(); | |
129 | void psxMemShutdown(); | |
130 | ||
131 | u8 psxMemRead8 (u32 mem); | |
132 | u16 psxMemRead16(u32 mem); | |
133 | u32 psxMemRead32(u32 mem); | |
134 | void psxMemWrite8 (u32 mem, u8 value); | |
135 | void psxMemWrite16(u32 mem, u16 value); | |
136 | void psxMemWrite32(u32 mem, u32 value); | |
137 | void *psxMemPointer(u32 mem); | |
138 | ||
139 | #ifdef __cplusplus | |
140 | } | |
141 | #endif | |
142 | #endif |