1 /***************************************************************************
2 * Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
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. *
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. *
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 ***************************************************************************/
20 #ifndef __PSXMEMORY_H__
21 #define __PSXMEMORY_H__
27 #include "psxcommon.h"
29 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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))
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))
39 #define SWAPu16(v) SWAP16((u16)(v))
40 #define SWAPs16(v) SWAP16((s16)(v))
47 #define SWAPu16(b) (b)
48 #define SWAPu32(b) (b)
52 #define INVALID_PTR ((void *)-1)
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]))
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])
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]))
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])
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]))
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])
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]))
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])
114 extern u8 **psxMemWLUT;
115 extern u8 **psxMemRLUT;
117 #define PSXM(mem) (psxMemRLUT[(mem) >> 16] == INVALID_PTR ? INVALID_PTR : (u8*)(psxMemRLUT[(mem) >> 16] + ((mem) & 0xffff)))
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)))
125 #define PSXMu32ref(mem) (*(u32 *)PSXM(mem))
129 void psxMemShutdown();
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);