145 lines
5.8 KiB
C
145 lines
5.8 KiB
C
/***************************************************************************
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* Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
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***************************************************************************/
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#ifndef __PSXMEMORY_H__
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#define __PSXMEMORY_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "psxcommon.h"
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#if defined(__BIGENDIAN__)
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#define _SWAP16(b) ((((unsigned char *)&(b))[0] & 0xff) | (((unsigned char *)&(b))[1] & 0xff) << 8)
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#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))
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#define SWAP16(v) ((((v) & 0xff00) >> 8) | (((v) & 0xff) << 8))
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#define SWAP32(v) ((((v) & 0xff000000ul) >> 24) | (((v) & 0xff0000ul) >> 8) | (((v) & 0xff00ul)<<8) | (((v) & 0xfful) << 24))
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#define SWAPu32(v) SWAP32((u32)(v))
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#define SWAPs32(v) SWAP32((s32)(v))
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#define SWAPu16(v) SWAP16((u16)(v))
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#define SWAPs16(v) SWAP16((s16)(v))
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#else
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#define SWAP16(b) (b)
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#define SWAP32(b) (b)
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#define SWAPu16(b) (b)
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#define SWAPu32(b) (b)
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#endif
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extern s8 *psxM;
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#define psxMs8(mem) psxM[(mem) & 0x1fffff]
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#define psxMs16(mem) (SWAP16(*(s16 *)&psxM[(mem) & 0x1fffff]))
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#define psxMs32(mem) (SWAP32(*(s32 *)&psxM[(mem) & 0x1fffff]))
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#define psxMu8(mem) (*(u8 *)&psxM[(mem) & 0x1fffff])
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#define psxMu16(mem) (SWAP16(*(u16 *)&psxM[(mem) & 0x1fffff]))
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#define psxMu32(mem) (SWAP32(*(u32 *)&psxM[(mem) & 0x1fffff]))
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#define psxMs8ref(mem) psxM[(mem) & 0x1fffff]
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#define psxMs16ref(mem) (*(s16 *)&psxM[(mem) & 0x1fffff])
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#define psxMs32ref(mem) (*(s32 *)&psxM[(mem) & 0x1fffff])
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#define psxMu8ref(mem) (*(u8 *)&psxM[(mem) & 0x1fffff])
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#define psxMu16ref(mem) (*(u16 *)&psxM[(mem) & 0x1fffff])
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#define psxMu32ref(mem) (*(u32 *)&psxM[(mem) & 0x1fffff])
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extern s8 *psxP;
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#define psxPs8(mem) psxP[(mem) & 0xffff]
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#define psxPs16(mem) (SWAP16(*(s16 *)&psxP[(mem) & 0xffff]))
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#define psxPs32(mem) (SWAP32(*(s32 *)&psxP[(mem) & 0xffff]))
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#define psxPu8(mem) (*(u8 *)&psxP[(mem) & 0xffff])
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#define psxPu16(mem) (SWAP16(*(u16 *)&psxP[(mem) & 0xffff]))
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#define psxPu32(mem) (SWAP32(*(u32 *)&psxP[(mem) & 0xffff]))
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#define psxPs8ref(mem) psxP[(mem) & 0xffff]
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#define psxPs16ref(mem) (*(s16 *)&psxP[(mem) & 0xffff])
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#define psxPs32ref(mem) (*(s32 *)&psxP[(mem) & 0xffff])
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#define psxPu8ref(mem) (*(u8 *)&psxP[(mem) & 0xffff])
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#define psxPu16ref(mem) (*(u16 *)&psxP[(mem) & 0xffff])
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#define psxPu32ref(mem) (*(u32 *)&psxP[(mem) & 0xffff])
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extern s8 *psxR;
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#define psxRs8(mem) psxR[(mem) & 0x7ffff]
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#define psxRs16(mem) (SWAP16(*(s16 *)&psxR[(mem) & 0x7ffff]))
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#define psxRs32(mem) (SWAP32(*(s32 *)&psxR[(mem) & 0x7ffff]))
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#define psxRu8(mem) (*(u8* )&psxR[(mem) & 0x7ffff])
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#define psxRu16(mem) (SWAP16(*(u16 *)&psxR[(mem) & 0x7ffff]))
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#define psxRu32(mem) (SWAP32(*(u32 *)&psxR[(mem) & 0x7ffff]))
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#define psxRs8ref(mem) psxR[(mem) & 0x7ffff]
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#define psxRs16ref(mem) (*(s16*)&psxR[(mem) & 0x7ffff])
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#define psxRs32ref(mem) (*(s32*)&psxR[(mem) & 0x7ffff])
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#define psxRu8ref(mem) (*(u8 *)&psxR[(mem) & 0x7ffff])
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#define psxRu16ref(mem) (*(u16*)&psxR[(mem) & 0x7ffff])
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#define psxRu32ref(mem) (*(u32*)&psxR[(mem) & 0x7ffff])
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extern s8 *psxH;
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#define psxHs8(mem) psxH[(mem) & 0xffff]
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#define psxHs16(mem) (SWAP16(*(s16 *)&psxH[(mem) & 0xffff]))
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#define psxHs32(mem) (SWAP32(*(s32 *)&psxH[(mem) & 0xffff]))
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#define psxHu8(mem) (*(u8 *)&psxH[(mem) & 0xffff])
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#define psxHu16(mem) (SWAP16(*(u16 *)&psxH[(mem) & 0xffff]))
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#define psxHu32(mem) (SWAP32(*(u32 *)&psxH[(mem) & 0xffff]))
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#define psxHs8ref(mem) psxH[(mem) & 0xffff]
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#define psxHs16ref(mem) (*(s16 *)&psxH[(mem) & 0xffff])
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#define psxHs32ref(mem) (*(s32 *)&psxH[(mem) & 0xffff])
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#define psxHu8ref(mem) (*(u8 *)&psxH[(mem) & 0xffff])
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#define psxHu16ref(mem) (*(u16 *)&psxH[(mem) & 0xffff])
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#define psxHu32ref(mem) (*(u32 *)&psxH[(mem) & 0xffff])
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extern u8 **psxMemWLUT;
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extern u8 **psxMemRLUT;
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#define PSXM(mem) (psxMemRLUT[(mem) >> 16] == 0 ? NULL : (u8*)(psxMemRLUT[(mem) >> 16] + ((mem) & 0xffff)))
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#define PSXMs8(mem) (*(s8 *)PSXM(mem))
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#define PSXMs16(mem) (SWAP16(*(s16 *)PSXM(mem)))
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#define PSXMs32(mem) (SWAP32(*(s32 *)PSXM(mem)))
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#define PSXMu8(mem) (*(u8 *)PSXM(mem))
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#define PSXMu16(mem) (SWAP16(*(u16 *)PSXM(mem)))
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#define PSXMu32(mem) (SWAP32(*(u32 *)PSXM(mem)))
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#define PSXMu32ref(mem) (*(u32 *)PSXM(mem))
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#if !defined(PSXREC) && (defined(__x86_64__) || defined(__i386__) || defined(__ppc__)) && !defined(NOPSXREC)
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#define PSXREC
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#endif
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int psxMemInit();
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void psxMemReset();
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void psxMemShutdown();
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u8 psxMemRead8 (u32 mem);
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u16 psxMemRead16(u32 mem);
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u32 psxMemRead32(u32 mem);
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void psxMemWrite8 (u32 mem, u8 value);
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void psxMemWrite16(u32 mem, u16 value);
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void psxMemWrite32(u32 mem, u32 value);
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void *psxMemPointer(u32 mem);
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#ifdef __cplusplus
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}
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#endif
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#endif
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