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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 | ||
52 | extern s8 *psxM; | |
53 | #define psxMs8(mem) psxM[(mem) & 0x1fffff] | |
54 | #define psxMs16(mem) (SWAP16(*(s16 *)&psxM[(mem) & 0x1fffff])) | |
55 | #define psxMs32(mem) (SWAP32(*(s32 *)&psxM[(mem) & 0x1fffff])) | |
56 | #define psxMu8(mem) (*(u8 *)&psxM[(mem) & 0x1fffff]) | |
57 | #define psxMu16(mem) (SWAP16(*(u16 *)&psxM[(mem) & 0x1fffff])) | |
58 | #define psxMu32(mem) (SWAP32(*(u32 *)&psxM[(mem) & 0x1fffff])) | |
59 | ||
60 | #define psxMs8ref(mem) psxM[(mem) & 0x1fffff] | |
61 | #define psxMs16ref(mem) (*(s16 *)&psxM[(mem) & 0x1fffff]) | |
62 | #define psxMs32ref(mem) (*(s32 *)&psxM[(mem) & 0x1fffff]) | |
63 | #define psxMu8ref(mem) (*(u8 *)&psxM[(mem) & 0x1fffff]) | |
64 | #define psxMu16ref(mem) (*(u16 *)&psxM[(mem) & 0x1fffff]) | |
65 | #define psxMu32ref(mem) (*(u32 *)&psxM[(mem) & 0x1fffff]) | |
66 | ||
67 | extern s8 *psxP; | |
68 | #define psxPs8(mem) psxP[(mem) & 0xffff] | |
69 | #define psxPs16(mem) (SWAP16(*(s16 *)&psxP[(mem) & 0xffff])) | |
70 | #define psxPs32(mem) (SWAP32(*(s32 *)&psxP[(mem) & 0xffff])) | |
71 | #define psxPu8(mem) (*(u8 *)&psxP[(mem) & 0xffff]) | |
72 | #define psxPu16(mem) (SWAP16(*(u16 *)&psxP[(mem) & 0xffff])) | |
73 | #define psxPu32(mem) (SWAP32(*(u32 *)&psxP[(mem) & 0xffff])) | |
74 | ||
75 | #define psxPs8ref(mem) psxP[(mem) & 0xffff] | |
76 | #define psxPs16ref(mem) (*(s16 *)&psxP[(mem) & 0xffff]) | |
77 | #define psxPs32ref(mem) (*(s32 *)&psxP[(mem) & 0xffff]) | |
78 | #define psxPu8ref(mem) (*(u8 *)&psxP[(mem) & 0xffff]) | |
79 | #define psxPu16ref(mem) (*(u16 *)&psxP[(mem) & 0xffff]) | |
80 | #define psxPu32ref(mem) (*(u32 *)&psxP[(mem) & 0xffff]) | |
81 | ||
82 | extern s8 *psxR; | |
83 | #define psxRs8(mem) psxR[(mem) & 0x7ffff] | |
84 | #define psxRs16(mem) (SWAP16(*(s16 *)&psxR[(mem) & 0x7ffff])) | |
85 | #define psxRs32(mem) (SWAP32(*(s32 *)&psxR[(mem) & 0x7ffff])) | |
86 | #define psxRu8(mem) (*(u8* )&psxR[(mem) & 0x7ffff]) | |
87 | #define psxRu16(mem) (SWAP16(*(u16 *)&psxR[(mem) & 0x7ffff])) | |
88 | #define psxRu32(mem) (SWAP32(*(u32 *)&psxR[(mem) & 0x7ffff])) | |
89 | ||
90 | #define psxRs8ref(mem) psxR[(mem) & 0x7ffff] | |
91 | #define psxRs16ref(mem) (*(s16*)&psxR[(mem) & 0x7ffff]) | |
92 | #define psxRs32ref(mem) (*(s32*)&psxR[(mem) & 0x7ffff]) | |
93 | #define psxRu8ref(mem) (*(u8 *)&psxR[(mem) & 0x7ffff]) | |
94 | #define psxRu16ref(mem) (*(u16*)&psxR[(mem) & 0x7ffff]) | |
95 | #define psxRu32ref(mem) (*(u32*)&psxR[(mem) & 0x7ffff]) | |
96 | ||
97 | extern s8 *psxH; | |
98 | #define psxHs8(mem) psxH[(mem) & 0xffff] | |
99 | #define psxHs16(mem) (SWAP16(*(s16 *)&psxH[(mem) & 0xffff])) | |
100 | #define psxHs32(mem) (SWAP32(*(s32 *)&psxH[(mem) & 0xffff])) | |
101 | #define psxHu8(mem) (*(u8 *)&psxH[(mem) & 0xffff]) | |
102 | #define psxHu16(mem) (SWAP16(*(u16 *)&psxH[(mem) & 0xffff])) | |
103 | #define psxHu32(mem) (SWAP32(*(u32 *)&psxH[(mem) & 0xffff])) | |
104 | ||
105 | #define psxHs8ref(mem) psxH[(mem) & 0xffff] | |
106 | #define psxHs16ref(mem) (*(s16 *)&psxH[(mem) & 0xffff]) | |
107 | #define psxHs32ref(mem) (*(s32 *)&psxH[(mem) & 0xffff]) | |
108 | #define psxHu8ref(mem) (*(u8 *)&psxH[(mem) & 0xffff]) | |
109 | #define psxHu16ref(mem) (*(u16 *)&psxH[(mem) & 0xffff]) | |
110 | #define psxHu32ref(mem) (*(u32 *)&psxH[(mem) & 0xffff]) | |
111 | ||
112 | extern u8 **psxMemWLUT; | |
113 | extern u8 **psxMemRLUT; | |
114 | ||
115 | #define PSXM(mem) (psxMemRLUT[(mem) >> 16] == 0 ? NULL : (u8*)(psxMemRLUT[(mem) >> 16] + ((mem) & 0xffff))) | |
116 | #define PSXMs8(mem) (*(s8 *)PSXM(mem)) | |
117 | #define PSXMs16(mem) (SWAP16(*(s16 *)PSXM(mem))) | |
118 | #define PSXMs32(mem) (SWAP32(*(s32 *)PSXM(mem))) | |
119 | #define PSXMu8(mem) (*(u8 *)PSXM(mem)) | |
120 | #define PSXMu16(mem) (SWAP16(*(u16 *)PSXM(mem))) | |
121 | #define PSXMu32(mem) (SWAP32(*(u32 *)PSXM(mem))) | |
122 | ||
123 | #define PSXMu32ref(mem) (*(u32 *)PSXM(mem)) | |
124 | ||
125 | #if !defined(PSXREC) && (defined(__x86_64__) || defined(__i386__) || defined(__ppc__)) && !defined(NOPSXREC) | |
126 | #define PSXREC | |
127 | #endif | |
128 | ||
129 | int psxMemInit(); | |
130 | void psxMemReset(); | |
131 | void psxMemShutdown(); | |
132 | ||
133 | u8 psxMemRead8 (u32 mem); | |
134 | u16 psxMemRead16(u32 mem); | |
135 | u32 psxMemRead32(u32 mem); | |
136 | void psxMemWrite8 (u32 mem, u8 value); | |
137 | void psxMemWrite16(u32 mem, u16 value); | |
138 | void psxMemWrite32(u32 mem, u32 value); | |
139 | void *psxMemPointer(u32 mem); | |
140 | ||
28bc5688 | 141 | extern u32 event_cycles[7]; |
ae602c19 | 142 | extern u32 next_interupt; |
143 | ||
144 | #define new_dyna_set_event(e, c) { \ | |
654e8cfb | 145 | s32 c_ = c; \ |
146 | u32 abs_ = psxRegs.cycle + c_; \ | |
147 | s32 odi_ = next_interupt - psxRegs.cycle; \ | |
148 | event_cycles[e] = abs_; \ | |
149 | if (c_ < odi_) { \ | |
150 | /*printf("%u: next_interupt %d -> %d (%u)\n", psxRegs.cycle, odi_, c_, abs_);*/ \ | |
151 | next_interupt = abs_; \ | |
ae602c19 | 152 | } \ |
153 | } | |
154 | ||
ef79bbde P |
155 | #ifdef __cplusplus |
156 | } | |
157 | #endif | |
158 | #endif |