Temporarily reverted r64524 until I (or someone else) find the time to sort out the stuff.

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@64536 e17a0e51-4ae3-4d35-97c3-1a29b211df97

1 files changed, 748 insertions, 782 deletions

diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index 533dfd71..98a8738e 100644
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -1,782 +1,748 @@
-/***************************************************************************
- *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
- ***************************************************************************/
-
-/*
-* Miscellaneous functions, including savestates and CD-ROM loading.
-*/
-
-#include "misc.h"
-#include "cdrom.h"
-#include "mdec.h"
-#include "ppf.h"
-
-char CdromId[10] = "";
-char CdromLabel[33] = "";
-
-// PSX Executable types
-#define PSX_EXE     1
-#define CPE_EXE     2
-#define COFF_EXE    3
-#define INVALID_EXE 4
-
-#define ISODCL(from, to) (to - from + 1)
-
-struct iso_directory_record {
-	char length			[ISODCL (1, 1)]; /* 711 */
-	char ext_attr_length		[ISODCL (2, 2)]; /* 711 */
-	char extent			[ISODCL (3, 10)]; /* 733 */
-	char size			[ISODCL (11, 18)]; /* 733 */
-	char date			[ISODCL (19, 25)]; /* 7 by 711 */
-	char flags			[ISODCL (26, 26)];
-	char file_unit_size		[ISODCL (27, 27)]; /* 711 */
-	char interleave			[ISODCL (28, 28)]; /* 711 */
-	char volume_sequence_number	[ISODCL (29, 32)]; /* 723 */
-	unsigned char name_len		[ISODCL (33, 33)]; /* 711 */
-	char name			[1];
-};
-
-static void mmssdd( char *b, char *p )
-{
-	int m, s, d;
-#if defined(__BIGENDIAN__)
-	int block = (b[0] & 0xff) | ((b[1] & 0xff) << 8) | ((b[2] & 0xff) << 16) | (b[3] << 24);
-#else
-	int block = *((int*)b);
-#endif
-
-	block += 150;
-	m = block / 4500;			// minutes
-	block = block - m * 4500;	// minutes rest
-	s = block / 75;				// seconds
-	d = block - s * 75;			// seconds rest
-
-	m = ((m / 10) << 4) | m % 10;
-	s = ((s / 10) << 4) | s % 10;
-	d = ((d / 10) << 4) | d % 10;	
-
-	p[0] = m;
-	p[1] = s;
-	p[2] = d;
-}
-
-#define incTime() \
-	time[0] = btoi(time[0]); time[1] = btoi(time[1]); time[2] = btoi(time[2]); \
-	time[2]++; \
-	if(time[2] == 75) { \
-		time[2] = 0; \
-		time[1]++; \
-		if (time[1] == 60) { \
-			time[1] = 0; \
-			time[0]++; \
-		} \
-	} \
-	time[0] = itob(time[0]); time[1] = itob(time[1]); time[2] = itob(time[2]);
-
-#define READTRACK() \
-	if (CDR_readTrack(time) == -1) return -1; \
-	buf = CDR_getBuffer(); \
-	if (buf == NULL) return -1; else CheckPPFCache(buf, time[0], time[1], time[2]);
-
-#define READDIR(_dir) \
-	READTRACK(); \
-	memcpy(_dir, buf + 12, 2048); \
- \
-	incTime(); \
-	READTRACK(); \
-	memcpy(_dir + 2048, buf + 12, 2048);
-
-static int GetCdromFile(u8 *mdir, u8 *time, char *filename) {
-	struct iso_directory_record *dir;
-	u8 ddir[4096];
-	u8 *buf;
-	int i;
-
-	// only try to scan if a filename is given
-	if (!strlen(filename)) return -1;
-
-	i = 0;
-	while (i < 4096) {
-		dir = (struct iso_directory_record*) &mdir[i];
-		if (dir->length[0] == 0) {
-			return -1;
-		}
-		i += dir->length[0];
-
-		if (dir->flags[0] & 0x2) { // it's a dir
-			if (!strnicmp((char *)&dir->name[0], filename, dir->name_len[0])) {
-				if (filename[dir->name_len[0]] != '\\') continue;
-
-				filename += dir->name_len[0] + 1;
-
-				mmssdd(dir->extent, (char *)time);
-				READDIR(ddir);
-				i = 0;
-				mdir = ddir;
-			}
-		} else {
-			if (!strnicmp((char *)&dir->name[0], filename, strlen(filename))) {
-				mmssdd(dir->extent, (char *)time);
-				break;
-			}
-		}
-	}
-	return 0;
-}
-
-int LoadCdrom() {
-	EXE_HEADER tmpHead;
-	struct iso_directory_record *dir;
-	u8 time[4], *buf;
-	u8 mdir[4096];
-	char exename[256];
-
-	if (!Config.HLE) {
-		if (!Config.SlowBoot) psxRegs.pc = psxRegs.GPR.n.ra;
-		return 0;
-	}
-
-	time[0] = itob(0); time[1] = itob(2); time[2] = itob(0x10);
-
-	READTRACK();
-
-	// skip head and sub, and go to the root directory record
-	dir = (struct iso_directory_record*) &buf[12+156]; 
-
-	mmssdd(dir->extent, (char*)time);
-
-	READDIR(mdir);
-
-	// Load SYSTEM.CNF and scan for the main executable
-	if (GetCdromFile(mdir, time, "SYSTEM.CNF;1") == -1) {
-		// if SYSTEM.CNF is missing, start an existing PSX.EXE
-		if (GetCdromFile(mdir, time, "PSX.EXE;1") == -1) return -1;
-
-		READTRACK();
-	}
-	else {
-		// read the SYSTEM.CNF
-		READTRACK();
-
-		sscanf((char *)buf + 12, "BOOT = cdrom:\\%256s", exename);
-		if (GetCdromFile(mdir, time, exename) == -1) {
-			sscanf((char *)buf + 12, "BOOT = cdrom:%256s", exename);
-			if (GetCdromFile(mdir, time, exename) == -1) {
-				char *ptr = strstr((char *)buf + 12, "cdrom:");
-				if (ptr != NULL) {
-					ptr += 6;
-					while (*ptr == '\\' || *ptr == '/') ptr++;
-					strncpy(exename, ptr, 255);
-					exename[255] = '\0';
-					ptr = exename;
-					while (*ptr != '\0' && *ptr != '\r' && *ptr != '\n') ptr++;
-					*ptr = '\0';
-					if (GetCdromFile(mdir, time, exename) == -1)
-						return -1;
-				} else
-					return -1;
-			}
-		}
-
-		// Read the EXE-Header
-		READTRACK();
-	}
-
-	memcpy(&tmpHead, buf + 12, sizeof(EXE_HEADER));
-
-	psxRegs.pc = SWAP32(tmpHead.pc0);
-	psxRegs.GPR.n.gp = SWAP32(tmpHead.gp0);
-	psxRegs.GPR.n.sp = SWAP32(tmpHead.s_addr); 
-	if (psxRegs.GPR.n.sp == 0) psxRegs.GPR.n.sp = 0x801fff00;
-
-	tmpHead.t_size = SWAP32(tmpHead.t_size);
-	tmpHead.t_addr = SWAP32(tmpHead.t_addr);
-
-	// Read the rest of the main executable
-	while (tmpHead.t_size) {
-		void *ptr = (void *)PSXM(tmpHead.t_addr);
-
-		incTime();
-		READTRACK();
-
-		if (ptr != NULL) memcpy(ptr, buf+12, 2048);
-
-		tmpHead.t_size -= 2048;
-		tmpHead.t_addr += 2048;
-	}
-
-	return 0;
-}
-
-int LoadCdromFile(const char *filename, EXE_HEADER *head) {
-	struct iso_directory_record *dir;
-	u8 time[4],*buf;
-	u8 mdir[4096];
-	char exename[256];
-	u32 size, addr;
-
-	sscanf(filename, "cdrom:\\%256s", exename);
-
-	time[0] = itob(0); time[1] = itob(2); time[2] = itob(0x10);
-
-	READTRACK();
-
-	// skip head and sub, and go to the root directory record
-	dir = (struct iso_directory_record *)&buf[12 + 156]; 
-
-	mmssdd(dir->extent, (char*)time);
-
-	READDIR(mdir);
-
-	if (GetCdromFile(mdir, time, exename) == -1) return -1;
-
-	READTRACK();
-
-	memcpy(head, buf + 12, sizeof(EXE_HEADER));
-	size = head->t_size;
-	addr = head->t_addr;
-
-	while (size) {
-		incTime();
-		READTRACK();
-
-		memcpy((void *)PSXM(addr), buf + 12, 2048);
-
-		size -= 2048;
-		addr += 2048;
-	}
-
-	return 0;
-}
-
-int CheckCdrom() {
-	struct iso_directory_record *dir;
-	unsigned char time[4], *buf;
-	unsigned char mdir[4096];
-	char exename[256];
-	int i, c;
-
-	FreePPFCache();
-
-	time[0] = itob(0);
-	time[1] = itob(2);
-	time[2] = itob(0x10);
-
-	READTRACK();
-
-	CdromLabel[0] = '\0';
-	CdromId[0] = '\0';
-
-	strncpy(CdromLabel, (char *)buf + 52, 32);
-
-	// skip head and sub, and go to the root directory record
-	dir = (struct iso_directory_record *)&buf[12 + 156]; 
-
-	mmssdd(dir->extent, (char *)time);
-
-	READDIR(mdir);
-
-	if (GetCdromFile(mdir, time, "SYSTEM.CNF;1") != -1) {
-		READTRACK();
-
-		sscanf((char *)buf + 12, "BOOT = cdrom:\\%256s", exename);
-		if (GetCdromFile(mdir, time, exename) == -1) {
-			sscanf((char *)buf + 12, "BOOT = cdrom:%256s", exename);
-			if (GetCdromFile(mdir, time, exename) == -1) {
-				char *ptr = strstr((char *)buf + 12, "cdrom:");			// possibly the executable is in some subdir
-				if (ptr != NULL) {
-					ptr += 6;
-					while (*ptr == '\\' || *ptr == '/') ptr++;
-					strncpy(exename, ptr, 255);
-					exename[255] = '\0';
-					ptr = exename;
-					while (*ptr != '\0' && *ptr != '\r' && *ptr != '\n') ptr++;
-					*ptr = '\0';
-					if (GetCdromFile(mdir, time, exename) == -1)
-					 	return -1;		// main executable not found
-				} else
-					return -1;
-			}
-		}
-	} else if (GetCdromFile(mdir, time, "PSX.EXE;1") != -1) {
-		strcpy(exename, "PSX.EXE;1");
-		strcpy(CdromId, "SLUS99999");
-	} else
-		return -1;		// SYSTEM.CNF and PSX.EXE not found
-
-	if (CdromId[0] == '\0') {
-		i = strlen(exename);
-		if (i >= 2) {
-			if (exename[i - 2] == ';') i-= 2;
-			c = 8; i--;
-			while (i >= 0 && c >= 0) {
-				if (isalnum(exename[i])) CdromId[c--] = exename[i];
-				i--;
-			}
-		}
-	}
-
-	if (Config.PsxAuto) { // autodetect system (pal or ntsc)
-		if((CdromId[2] == 'e') || (CdromId[2] == 'E') ||
-			!strncmp(CdromId, "PBPX95001", 10) || // according to redump.org, these PAL
-			!strncmp(CdromId, "PBPX95007", 10) || // demos have a non-standard ID;
-			!strncmp(CdromId, "PBPX95008", 10))   // add more serials if they are discovered.
-			Config.PsxType = PSX_TYPE_PAL; // pal
-		else Config.PsxType = PSX_TYPE_NTSC; // ntsc
-	}
-
-	if (CdromLabel[0] == ' ') {
-		strncpy(CdromLabel, CdromId, 9);
-	}
-	SysPrintf(_("CD-ROM Label: %.32s\n"), CdromLabel);
-	SysPrintf(_("CD-ROM ID: %.9s\n"), CdromId);
-
-	BuildPPFCache();
-	LoadSBI();
-
-	return 0;
-}
-
-static int PSXGetFileType(FILE *f) {
-	unsigned long current;
-	u8 mybuf[2048];
-	EXE_HEADER *exe_hdr;
-	FILHDR *coff_hdr;
-
-	current = ftell(f);
-	fseek(f, 0L, SEEK_SET);
-	if(fread(mybuf, 2048, 1, f) != 1)
-		return INVALID_EXE;
-	fseek(f, current, SEEK_SET);
-
-	exe_hdr = (EXE_HEADER *)mybuf;
-	if (memcmp(exe_hdr->id, "PS-X EXE", 8) == 0)
-		return PSX_EXE;
-
-	if (mybuf[0] == 'C' && mybuf[1] == 'P' && mybuf[2] == 'E')
-		return CPE_EXE;
-
-	coff_hdr = (FILHDR *)mybuf;
-	if (SWAPu16(coff_hdr->f_magic) == 0x0162)
-		return COFF_EXE;
-
-	return INVALID_EXE;
-}
-
-static void LoadLibPS() {
-	char buf[MAXPATHLEN];
-	FILE *f;
-
-	// Load Net Yaroze runtime library (if exists)
-	sprintf(buf, "%s/libps.exe", Config.BiosDir);
-	f = fopen(buf, "rb");
-
-	if (f != NULL) {
-		fseek(f, 0x800, SEEK_SET);
-		if(fread(psxM + 0x10000, 0x61000, 1, f) != 1)
-			perror(buf);
-		fclose(f);
-	}
-}
-
-int Load(const char *ExePath) {
-	FILE *tmpFile;
-	EXE_HEADER tmpHead;
-	FILHDR coffHead;
-	AOUTHDR optHead;
-	SCNHDR section;
-	int type, i;
-	int retval = 0;
-	u8 opcode;
-	u32 section_address, section_size;
-
-	strncpy(CdromId, "SLUS99999", 9);
-	strncpy(CdromLabel, "SLUS_999.99", 11);
-
-	tmpFile = fopen(ExePath, "rb");
-	if (tmpFile == NULL) {
-		SysPrintf(_("Error opening file: %s.\n"), ExePath);
-		retval = -1;
-	} else {
-		LoadLibPS();
-
-		type = PSXGetFileType(tmpFile);
-		switch (type) {
-			case PSX_EXE:
-				if(fread(&tmpHead, sizeof(EXE_HEADER), 1, tmpFile) != 1 ||
-				   fseek(tmpFile, 0x800, SEEK_SET) < 0 ||
-				   fread(PSXM(SWAP32(tmpHead.t_addr)), SWAP32(tmpHead.t_size), 1, tmpFile) != 1) {
-					retval = -1;
-					perror(ExePath);
-				}
-				fclose(tmpFile);
-				if(retval == -1) break;
-				psxRegs.pc = SWAP32(tmpHead.pc0);
-				psxRegs.GPR.n.gp = SWAP32(tmpHead.gp0);
-				psxRegs.GPR.n.sp = SWAP32(tmpHead.s_addr); 
-				if (psxRegs.GPR.n.sp == 0)
-					psxRegs.GPR.n.sp = 0x801fff00;
-				retval = 0;
-				break;
-
-			case CPE_EXE:
-				fseek(tmpFile, 6, SEEK_SET); /* Something tells me we should go to 4 and read the "08 00" here... */
-				do {
-					if(fread(&opcode, 1, 1, tmpFile) != 1) {
-						perror(ExePath);
-						retval = -1;
-						break;
-					}
-					switch (opcode) {
-						case 1: /* Section loading */
-							if(fread(&section_address, 4, 1, tmpFile) != 1 ||
-							   fread(&section_size, 4, 1, tmpFile) != 1) {
-								retval = -1;
-								perror(ExePath);
-								break;
-							}
-							section_address = SWAPu32(section_address);
-							section_size = SWAPu32(section_size);
-#ifdef EMU_LOG
-							EMU_LOG("Loading %08X bytes from %08X to %08X\n", section_size, ftell(tmpFile), section_address);
-#endif
-							if(fread(PSXM(section_address), section_size, 1, tmpFile) != 1) {
-								retval = -1;
-								perror(ExePath);
-							}
-							break;
-						case 3: /* register loading (PC only?) */
-							if(fseek(tmpFile, 2, SEEK_CUR) < 0 || /* unknown field */
-							   fread(&psxRegs.pc, 4, 1, tmpFile) != 1) {
-								retval = -1;
-								perror(ExePath);
-								break;
-							}
-							psxRegs.pc = SWAPu32(psxRegs.pc);
-							break;
-						case 0: /* End of file */
-							break;
-						default:
-							SysPrintf(_("Unknown CPE opcode %02x at position %08x.\n"), opcode, ftell(tmpFile) - 1);
-							retval = -1;
-							break;
-					}
-				} while (opcode != 0 && retval == 0);
-				break;
-
-			case COFF_EXE:
-				if(fread(&coffHead, sizeof(coffHead), 1, tmpFile) != 1 ||
-				   fread(&optHead, sizeof(optHead), 1, tmpFile) != 1) {
-					retval = -1;
-					perror(ExePath);
-					break;
-				}
-
-				psxRegs.pc = SWAP32(optHead.entry);
-				psxRegs.GPR.n.sp = 0x801fff00;
-
-				for (i = 0; i < SWAP16(coffHead.f_nscns); i++) {
-					if(fseek(tmpFile, sizeof(FILHDR) + SWAP16(coffHead.f_opthdr) + sizeof(section) * i, SEEK_SET) < 0 ||
-					   fread(&section, sizeof(section), 1, tmpFile) != 1) {
-						retval = -1;
-						perror(ExePath);
-						break;
-					}
-
-					if (section.s_scnptr != 0) {
-						if(fseek(tmpFile, SWAP32(section.s_scnptr), SEEK_SET) < 0 ||
-						   fread(PSXM(SWAP32(section.s_paddr)), SWAP32(section.s_size), 1, tmpFile) != 1) {
-							retval = -1;
-							perror(ExePath);
-							break;
-						}
-					} else {
-						memset(PSXM(SWAP32(section.s_paddr)), 0, SWAP32(section.s_size));
-					}
-				}
-				break;
-
-			case INVALID_EXE:
-				SysPrintf(_("This file does not appear to be a valid PSX file.\n"));
-				retval = -1;
-				break;
-		}
-	}
-
-	if (retval != 0) {
-		CdromId[0] = '\0';
-		CdromLabel[0] = '\0';
-	}
-
-	return retval;
-}
-
-// STATES
-
-static const char PcsxHeader[32] = "STv4 PCSX v" PACKAGE_VERSION;
-
-// Savestate Versioning!
-// If you make changes to the savestate version, please increment the value below.
-static const u32 SaveVersion = 0x8b410006;
-
-int SaveState(const char *file) {
-	gzFile f;
-	GPUFreeze_t *gpufP;
-	SPUFreeze_t *spufP;
-	int Size;
-	unsigned char *pMem;
-
-	f = gzopen(file, "wb");
-	if (f == NULL) return -1;
-
-	gzwrite(f, (void *)PcsxHeader, 32);
-	gzwrite(f, (void *)&SaveVersion, sizeof(u32));
-	gzwrite(f, (void *)&Config.HLE, sizeof(boolean));
-
-	pMem = (unsigned char *)malloc(128 * 96 * 3);
-	if (pMem == NULL) return -1;
-	GPU_getScreenPic(pMem);
-	gzwrite(f, pMem, 128 * 96 * 3);
-	free(pMem);
-
-	if (Config.HLE)
-		psxBiosFreeze(1);
-
-	gzwrite(f, psxM, 0x00200000);
-	gzwrite(f, psxR, 0x00080000);
-	gzwrite(f, psxH, 0x00010000);
-	gzwrite(f, (void *)&psxRegs, sizeof(psxRegs));
-
-	// gpu
-	gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
-	gpufP->ulFreezeVersion = 1;
-	GPU_freeze(1, gpufP);
-	gzwrite(f, gpufP, sizeof(GPUFreeze_t));
-	free(gpufP);
-
-	// spu
-	spufP = (SPUFreeze_t *) malloc(16);
-	SPU_freeze(2, spufP);
-	Size = spufP->Size; gzwrite(f, &Size, 4);
-	free(spufP);
-	spufP = (SPUFreeze_t *) malloc(Size);
-	SPU_freeze(1, spufP);
-	gzwrite(f, spufP, Size);
-	free(spufP);
-
-	sioFreeze(f, 1);
-	cdrFreeze(f, 1);
-	psxHwFreeze(f, 1);
-	psxRcntFreeze(f, 1);
-	mdecFreeze(f, 1);
-
-	gzclose(f);
-
-	return 0;
-}
-
-int LoadState(const char *file) {
-	gzFile f;
-	GPUFreeze_t *gpufP;
-	SPUFreeze_t *spufP;
-	int Size;
-	char header[32];
-	u32 version;
-	boolean hle;
-
-	f = gzopen(file, "rb");
-	if (f == NULL) return -1;
-
-	gzread(f, header, sizeof(header));
-	gzread(f, &version, sizeof(u32));
-	gzread(f, &hle, sizeof(boolean));
-
-	if (strncmp("STv4 PCSX", header, 9) != 0 || version != SaveVersion || hle != Config.HLE) {
-		gzclose(f);
-		return -1;
-	}
-
-	psxCpu->Reset();
-	gzseek(f, 128 * 96 * 3, SEEK_CUR);
-
-	gzread(f, psxM, 0x00200000);
-	gzread(f, psxR, 0x00080000);
-	gzread(f, psxH, 0x00010000);
-	gzread(f, (void *)&psxRegs, sizeof(psxRegs));
-
-	if (Config.HLE)
-		psxBiosFreeze(0);
-
-	// gpu
-	gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));
-	gzread(f, gpufP, sizeof(GPUFreeze_t));
-	GPU_freeze(0, gpufP);
-	free(gpufP);
-
-	// spu
-	gzread(f, &Size, 4);
-	spufP = (SPUFreeze_t *)malloc(Size);
-	gzread(f, spufP, Size);
-	SPU_freeze(0, spufP);
-	free(spufP);
-
-	sioFreeze(f, 0);
-	cdrFreeze(f, 0);
-	psxHwFreeze(f, 0);
-	psxRcntFreeze(f, 0);
-	mdecFreeze(f, 0);
-
-	gzclose(f);
-
-	return 0;
-}
-
-int CheckState(const char *file) {
-	gzFile f;
-	char header[32];
-	u32 version;
-	boolean hle;
-
-	f = gzopen(file, "rb");
-	if (f == NULL) return -1;
-
-	gzread(f, header, sizeof(header));
-	gzread(f, &version, sizeof(u32));
-	gzread(f, &hle, sizeof(boolean));
-
-	gzclose(f);
-
-	if (strncmp("STv4 PCSX", header, 9) != 0 || version != SaveVersion || hle != Config.HLE)
-		return -1;
-
-	return 0;
-}
-
-// NET Function Helpers
-
-int SendPcsxInfo() {
-	if (NET_recvData == NULL || NET_sendData == NULL)
-		return 0;
-
-	NET_sendData(&Config.Xa, sizeof(Config.Xa), PSE_NET_BLOCKING);
-	NET_sendData(&Config.Sio, sizeof(Config.Sio), PSE_NET_BLOCKING);
-	NET_sendData(&Config.SpuIrq, sizeof(Config.SpuIrq), PSE_NET_BLOCKING);
-	NET_sendData(&Config.RCntFix, sizeof(Config.RCntFix), PSE_NET_BLOCKING);
-	NET_sendData(&Config.PsxType, sizeof(Config.PsxType), PSE_NET_BLOCKING);
-	NET_sendData(&Config.Cpu, sizeof(Config.Cpu), PSE_NET_BLOCKING);
-
-	return 0;
-}
-
-int RecvPcsxInfo() {
-	int tmp;
-
-	if (NET_recvData == NULL || NET_sendData == NULL)
-		return 0;
-
-	NET_recvData(&Config.Xa, sizeof(Config.Xa), PSE_NET_BLOCKING);
-	NET_recvData(&Config.Sio, sizeof(Config.Sio), PSE_NET_BLOCKING);
-	NET_recvData(&Config.SpuIrq, sizeof(Config.SpuIrq), PSE_NET_BLOCKING);
-	NET_recvData(&Config.RCntFix, sizeof(Config.RCntFix), PSE_NET_BLOCKING);
-	NET_recvData(&Config.PsxType, sizeof(Config.PsxType), PSE_NET_BLOCKING);
-
-	SysUpdate();
-
-	tmp = Config.Cpu;
-	NET_recvData(&Config.Cpu, sizeof(Config.Cpu), PSE_NET_BLOCKING);
-	if (tmp != Config.Cpu) {
-		psxCpu->Shutdown();
-#ifdef PSXREC
-		if (Config.Cpu == CPU_INTERPRETER) psxCpu = &psxInt;
-		else psxCpu = &psxRec;
-#else
-		psxCpu = &psxInt;
-#endif
-		if (psxCpu->Init() == -1) {
-			SysClose(); return -1;
-		}
-		psxCpu->Reset();
-	}
-
-	return 0;
-}
-
-// remove the leading and trailing spaces in a string
-void trim(char *str) {
-	int pos = 0;
-	char *dest = str;
-
-	// skip leading blanks
-	while (str[pos] <= ' ' && str[pos] > 0)
-		pos++;
-
-	while (str[pos]) {
-		*(dest++) = str[pos];
-		pos++;
-	}
-
-	*(dest--) = '\0'; // store the null
-
-	// remove trailing blanks
-	while (dest >= str && *dest <= ' ' && *dest > 0)
-		*(dest--) = '\0';
-}
-
-// lookup table for crc calculation
-static unsigned short crctab[256] = {
-	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, 0x8108,
-	0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,
-	0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, 0x9339, 0x8318, 0xB37B,
-	0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,
-	0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE,
-	0xF5CF, 0xC5AC, 0xD58D, 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,
-	0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D,
-	0xC7BC, 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
-	0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, 0x5AF5,
-	0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,
-	0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, 0x6CA6, 0x7C87, 0x4CE4,
-	0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,
-	0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13,
-	0x2E32, 0x1E51, 0x0E70, 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,
-	0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E,
-	0xE16F, 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
-	0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, 0x02B1,
-	0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,
-	0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, 0x34E2, 0x24C3, 0x14A0,
-	0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,
-	0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657,
-	0x7676, 0x4615, 0x5634, 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,
-	0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882,
-	0x28A3, 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
-	0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, 0xFD2E,
-	0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,
-	0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, 0xEF1F, 0xFF3E, 0xCF5D,
-	0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,
-	0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
-};
-
-u16 calcCrc(u8 *d, int len) {
-	u16 crc = 0;
-	int i;
-
-	for (i = 0; i < len; i++) {
-		crc = crctab[(crc >> 8) ^ d[i]] ^ (crc << 8);
-	}
-
-	return ~crc;
-}
+/***************************************************************************

+ *   Copyright (C) 2007 Ryan Schultz, PCSX-df Team, PCSX team              *

+ *                                                                         *

+ *   This program is free software; you can redistribute it and/or modify  *

+ *   it under the terms of the GNU General Public License as published by  *

+ *   the Free Software Foundation; either version 2 of the License, or     *

+ *   (at your option) any later version.                                   *

+ *                                                                         *

+ *   This program is distributed in the hope that it will be useful,       *

+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *

+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

+ *   GNU General Public License for more details.                          *

+ *                                                                         *

+ *   You should have received a copy of the GNU General Public License     *

+ *   along with this program; if not, write to the                         *

+ *   Free Software Foundation, Inc.,                                       *

+ *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *

+ ***************************************************************************/

+

+/*

+* Miscellaneous functions, including savestates and CD-ROM loading.

+*/

+

+#include "misc.h"

+#include "cdrom.h"

+#include "mdec.h"

+#include "ppf.h"

+

+char CdromId[10] = "";

+char CdromLabel[33] = "";

+

+// PSX Executable types

+#define PSX_EXE     1

+#define CPE_EXE     2

+#define COFF_EXE    3

+#define INVALID_EXE 4

+

+#define ISODCL(from, to) (to - from + 1)

+

+struct iso_directory_record {

+	char length			[ISODCL (1, 1)]; /* 711 */

+	char ext_attr_length		[ISODCL (2, 2)]; /* 711 */

+	char extent			[ISODCL (3, 10)]; /* 733 */

+	char size			[ISODCL (11, 18)]; /* 733 */

+	char date			[ISODCL (19, 25)]; /* 7 by 711 */

+	char flags			[ISODCL (26, 26)];

+	char file_unit_size		[ISODCL (27, 27)]; /* 711 */

+	char interleave			[ISODCL (28, 28)]; /* 711 */

+	char volume_sequence_number	[ISODCL (29, 32)]; /* 723 */

+	unsigned char name_len		[ISODCL (33, 33)]; /* 711 */

+	char name			[1];

+};

+

+void mmssdd( char *b, char *p )

+{

+	int m, s, d;

+#if defined(__BIGENDIAN__)

+	int block = (b[0] & 0xff) | ((b[1] & 0xff) << 8) | ((b[2] & 0xff) << 16) | (b[3] << 24);

+#else

+	int block = *((int*)b);

+#endif

+

+	block += 150;

+	m = block / 4500;			// minutes

+	block = block - m * 4500;	// minutes rest

+	s = block / 75;				// seconds

+	d = block - s * 75;			// seconds rest

+

+	m = ((m / 10) << 4) | m % 10;

+	s = ((s / 10) << 4) | s % 10;

+	d = ((d / 10) << 4) | d % 10;	

+

+	p[0] = m;

+	p[1] = s;

+	p[2] = d;

+}

+

+#define incTime() \

+	time[0] = btoi(time[0]); time[1] = btoi(time[1]); time[2] = btoi(time[2]); \

+	time[2]++; \

+	if(time[2] == 75) { \

+		time[2] = 0; \

+		time[1]++; \

+		if (time[1] == 60) { \

+			time[1] = 0; \

+			time[0]++; \

+		} \

+	} \

+	time[0] = itob(time[0]); time[1] = itob(time[1]); time[2] = itob(time[2]);

+

+#define READTRACK() \

+	if (CDR_readTrack(time) == -1) return -1; \

+	buf = CDR_getBuffer(); \

+	if (buf == NULL) return -1; else CheckPPFCache(buf, time[0], time[1], time[2]);

+

+#define READDIR(_dir) \

+	READTRACK(); \

+	memcpy(_dir, buf + 12, 2048); \

+ \

+	incTime(); \

+	READTRACK(); \

+	memcpy(_dir + 2048, buf + 12, 2048);

+

+int GetCdromFile(u8 *mdir, u8 *time, s8 *filename) {

+	struct iso_directory_record *dir;

+	char ddir[4096];

+	u8 *buf;

+	int i;

+

+	// only try to scan if a filename is given

+	if (!strlen(filename)) return -1;

+

+	i = 0;

+	while (i < 4096) {

+		dir = (struct iso_directory_record*) &mdir[i];

+		if (dir->length[0] == 0) {

+			return -1;

+		}

+		i += dir->length[0];

+

+		if (dir->flags[0] & 0x2) { // it's a dir

+			if (!strnicmp((char *)&dir->name[0], filename, dir->name_len[0])) {

+				if (filename[dir->name_len[0]] != '\\') continue;

+

+				filename += dir->name_len[0] + 1;

+

+				mmssdd(dir->extent, (char *)time);

+				READDIR(ddir);

+				i = 0;

+				mdir = ddir;

+			}

+		} else {

+			if (!strnicmp((char *)&dir->name[0], filename, strlen(filename))) {

+				mmssdd(dir->extent, (char *)time);

+				break;

+			}

+		}

+	}

+	return 0;

+}

+

+int LoadCdrom() {

+	EXE_HEADER tmpHead;

+	struct iso_directory_record *dir;

+	u8 time[4], *buf;

+	u8 mdir[4096];

+	s8 exename[256];

+

+	if (!Config.HLE) {

+		if (!Config.SlowBoot) psxRegs.pc = psxRegs.GPR.n.ra;

+		return 0;

+	}

+

+	time[0] = itob(0); time[1] = itob(2); time[2] = itob(0x10);

+

+	READTRACK();

+

+	// skip head and sub, and go to the root directory record

+	dir = (struct iso_directory_record*) &buf[12+156]; 

+

+	mmssdd(dir->extent, (char*)time);

+

+	READDIR(mdir);

+

+	// Load SYSTEM.CNF and scan for the main executable

+	if (GetCdromFile(mdir, time, "SYSTEM.CNF;1") == -1) {

+		// if SYSTEM.CNF is missing, start an existing PSX.EXE

+		if (GetCdromFile(mdir, time, "PSX.EXE;1") == -1) return -1;

+

+		READTRACK();

+	}

+	else {

+		// read the SYSTEM.CNF

+		READTRACK();

+

+		sscanf((char *)buf + 12, "BOOT = cdrom:\\%256s", exename);

+		if (GetCdromFile(mdir, time, exename) == -1) {

+			sscanf((char *)buf + 12, "BOOT = cdrom:%256s", exename);

+			if (GetCdromFile(mdir, time, exename) == -1) {

+				char *ptr = strstr(buf + 12, "cdrom:");

+				if (ptr != NULL) {

+					ptr += 6;

+					while (*ptr == '\\' || *ptr == '/') ptr++;

+					strncpy(exename, ptr, 255);

+					exename[255] = '\0';

+					ptr = exename;

+					while (*ptr != '\0' && *ptr != '\r' && *ptr != '\n') ptr++;

+					*ptr = '\0';

+					if (GetCdromFile(mdir, time, exename) == -1)

+						return -1;

+				} else

+					return -1;

+			}

+		}

+

+		// Read the EXE-Header

+		READTRACK();

+	}

+

+	memcpy(&tmpHead, buf + 12, sizeof(EXE_HEADER));

+

+	psxRegs.pc = SWAP32(tmpHead.pc0);

+	psxRegs.GPR.n.gp = SWAP32(tmpHead.gp0);

+	psxRegs.GPR.n.sp = SWAP32(tmpHead.s_addr); 

+	if (psxRegs.GPR.n.sp == 0) psxRegs.GPR.n.sp = 0x801fff00;

+

+	tmpHead.t_size = SWAP32(tmpHead.t_size);

+	tmpHead.t_addr = SWAP32(tmpHead.t_addr);

+

+	// Read the rest of the main executable

+	while (tmpHead.t_size) {

+		void *ptr = (void *)PSXM(tmpHead.t_addr);

+

+		incTime();

+		READTRACK();

+

+		if (ptr != NULL) memcpy(ptr, buf+12, 2048);

+

+		tmpHead.t_size -= 2048;

+		tmpHead.t_addr += 2048;

+	}

+

+	return 0;

+}

+

+int LoadCdromFile(const char *filename, EXE_HEADER *head) {

+	struct iso_directory_record *dir;

+	u8 time[4],*buf;

+	u8 mdir[4096], exename[256];

+	u32 size, addr;

+

+	sscanf(filename, "cdrom:\\%256s", exename);

+

+	time[0] = itob(0); time[1] = itob(2); time[2] = itob(0x10);

+

+	READTRACK();

+

+	// skip head and sub, and go to the root directory record

+	dir = (struct iso_directory_record *)&buf[12 + 156]; 

+

+	mmssdd(dir->extent, (char*)time);

+

+	READDIR(mdir);

+

+	if (GetCdromFile(mdir, time, exename) == -1) return -1;

+

+	READTRACK();

+

+	memcpy(head, buf + 12, sizeof(EXE_HEADER));

+	size = head->t_size;

+	addr = head->t_addr;

+

+	while (size) {

+		incTime();

+		READTRACK();

+

+		memcpy((void *)PSXM(addr), buf + 12, 2048);

+

+		size -= 2048;

+		addr += 2048;

+	}

+

+	return 0;

+}

+

+int CheckCdrom() {

+	struct iso_directory_record *dir;

+	unsigned char time[4], *buf;

+	unsigned char mdir[4096];

+	char exename[256];

+	int i, c;

+

+	FreePPFCache();

+

+	time[0] = itob(0);

+	time[1] = itob(2);

+	time[2] = itob(0x10);

+

+	READTRACK();

+

+	CdromLabel[0] = '\0';

+	CdromId[0] = '\0';

+

+	strncpy(CdromLabel, buf + 52, 32);

+

+	// skip head and sub, and go to the root directory record

+	dir = (struct iso_directory_record *)&buf[12 + 156]; 

+

+	mmssdd(dir->extent, (char *)time);

+

+	READDIR(mdir);

+

+	if (GetCdromFile(mdir, time, "SYSTEM.CNF;1") != -1) {

+		READTRACK();

+

+		sscanf((char *)buf + 12, "BOOT = cdrom:\\%256s", exename);

+		if (GetCdromFile(mdir, time, exename) == -1) {

+			sscanf((char *)buf + 12, "BOOT = cdrom:%256s", exename);

+			if (GetCdromFile(mdir, time, exename) == -1) {

+				char *ptr = strstr(buf + 12, "cdrom:");			// possibly the executable is in some subdir

+				if (ptr != NULL) {

+					ptr += 6;

+					while (*ptr == '\\' || *ptr == '/') ptr++;

+					strncpy(exename, ptr, 255);

+					exename[255] = '\0';

+					ptr = exename;

+					while (*ptr != '\0' && *ptr != '\r' && *ptr != '\n') ptr++;

+					*ptr = '\0';

+					if (GetCdromFile(mdir, time, exename) == -1)

+					 	return -1;		// main executable not found

+				} else

+					return -1;

+			}

+		}

+	} else if (GetCdromFile(mdir, time, "PSX.EXE;1") != -1) {

+		strcpy(exename, "PSX.EXE;1");

+		strcpy(CdromId, "SLUS99999");

+	} else

+		return -1;		// SYSTEM.CNF and PSX.EXE not found

+

+	if (CdromId[0] == '\0') {

+		i = strlen(exename);

+		if (i >= 2) {

+			if (exename[i - 2] == ';') i-= 2;

+			c = 8; i--;

+			while (i >= 0 && c >= 0) {

+				if (isalnum(exename[i])) CdromId[c--] = exename[i];

+				i--;

+			}

+		}

+	}

+

+	if (Config.PsxAuto) { // autodetect system (pal or ntsc)

+		if((CdromId[2] == 'e') || (CdromId[2] == 'E') ||

+			!strncmp(CdromId, "PBPX95001", 10) || // according to redump.org, these PAL

+			!strncmp(CdromId, "PBPX95007", 10) || // demos have a non-standard ID;

+			!strncmp(CdromId, "PBPX95008", 10))   // add more serials if they are discovered.

+			Config.PsxType = PSX_TYPE_PAL; // pal

+		else Config.PsxType = PSX_TYPE_NTSC; // ntsc

+	}

+

+	if (CdromLabel[0] == ' ') {

+		strncpy(CdromLabel, CdromId, 9);

+	}

+	SysPrintf(_("CD-ROM Label: %.32s\n"), CdromLabel);

+	SysPrintf(_("CD-ROM ID: %.9s\n"), CdromId);

+

+	BuildPPFCache();

+	LoadSBI();

+

+	return 0;

+}

+

+static int PSXGetFileType(FILE *f) {

+	unsigned long current;

+	u8 mybuf[2048];

+	EXE_HEADER *exe_hdr;

+	FILHDR *coff_hdr;

+

+	current = ftell(f);

+	fseek(f, 0L, SEEK_SET);

+	fread(mybuf, 2048, 1, f);

+	fseek(f, current, SEEK_SET);

+

+	exe_hdr = (EXE_HEADER *)mybuf;

+	if (memcmp(exe_hdr->id, "PS-X EXE", 8) == 0)

+		return PSX_EXE;

+

+	if (mybuf[0] == 'C' && mybuf[1] == 'P' && mybuf[2] == 'E')

+		return CPE_EXE;

+

+	coff_hdr = (FILHDR *)mybuf;

+	if (SWAPu16(coff_hdr->f_magic) == 0x0162)

+		return COFF_EXE;

+

+	return INVALID_EXE;

+}

+

+static void LoadLibPS() {

+	char buf[MAXPATHLEN];

+	FILE *f;

+

+	// Load Net Yaroze runtime library (if exists)

+	sprintf(buf, "%s/libps.exe", Config.BiosDir);

+	f = fopen(buf, "rb");

+

+	if (f != NULL) {

+		fseek(f, 0x800, SEEK_SET);

+		fread(psxM + 0x10000, 0x61000, 1, f);

+		fclose(f);

+	}

+}

+

+int Load(const char *ExePath) {

+	FILE *tmpFile;

+	EXE_HEADER tmpHead;

+	FILHDR coffHead;

+	AOUTHDR optHead;

+	SCNHDR section;

+	int type, i;

+	int retval = 0;

+	u8 opcode;

+	u32 section_address, section_size;

+

+	strncpy(CdromId, "SLUS99999", 9);

+	strncpy(CdromLabel, "SLUS_999.99", 11);

+

+	tmpFile = fopen(ExePath, "rb");

+	if (tmpFile == NULL) {

+		SysPrintf(_("Error opening file: %s.\n"), ExePath);

+		retval = -1;

+	} else {

+		LoadLibPS();

+

+		type = PSXGetFileType(tmpFile);

+		switch (type) {

+			case PSX_EXE:

+				fread(&tmpHead, sizeof(EXE_HEADER), 1, tmpFile);

+				fseek(tmpFile, 0x800, SEEK_SET);		

+				fread(PSXM(SWAP32(tmpHead.t_addr)), SWAP32(tmpHead.t_size), 1, tmpFile);

+				fclose(tmpFile);

+				psxRegs.pc = SWAP32(tmpHead.pc0);

+				psxRegs.GPR.n.gp = SWAP32(tmpHead.gp0);

+				psxRegs.GPR.n.sp = SWAP32(tmpHead.s_addr); 

+				if (psxRegs.GPR.n.sp == 0)

+					psxRegs.GPR.n.sp = 0x801fff00;

+				retval = 0;

+				break;

+

+			case CPE_EXE:

+				fseek(tmpFile, 6, SEEK_SET); /* Something tells me we should go to 4 and read the "08 00" here... */

+				do {

+					fread(&opcode, 1, 1, tmpFile);

+					switch (opcode) {

+						case 1: /* Section loading */

+							fread(&section_address, 4, 1, tmpFile);

+							fread(&section_size, 4, 1, tmpFile);

+							section_address = SWAPu32(section_address);

+							section_size = SWAPu32(section_size);

+#ifdef EMU_LOG

+							EMU_LOG("Loading %08X bytes from %08X to %08X\n", section_size, ftell(tmpFile), section_address);

+#endif

+							fread(PSXM(section_address), section_size, 1, tmpFile);

+							break;

+						case 3: /* register loading (PC only?) */

+							fseek(tmpFile, 2, SEEK_CUR); /* unknown field */

+							fread(&psxRegs.pc, 4, 1, tmpFile);

+							psxRegs.pc = SWAPu32(psxRegs.pc);

+							break;

+						case 0: /* End of file */

+							break;

+						default:

+							SysPrintf(_("Unknown CPE opcode %02x at position %08x.\n"), opcode, ftell(tmpFile) - 1);

+							retval = -1;

+							break;

+					}

+				} while (opcode != 0 && retval == 0);

+				break;

+

+			case COFF_EXE:

+				fread(&coffHead, sizeof(coffHead), 1, tmpFile);

+				fread(&optHead, sizeof(optHead), 1, tmpFile);

+

+				psxRegs.pc = SWAP32(optHead.entry);

+				psxRegs.GPR.n.sp = 0x801fff00;

+

+				for (i = 0; i < SWAP16(coffHead.f_nscns); i++) {

+					fseek(tmpFile, sizeof(FILHDR) + SWAP16(coffHead.f_opthdr) + sizeof(section) * i, SEEK_SET);

+					fread(&section, sizeof(section), 1, tmpFile);

+

+					if (section.s_scnptr != 0) {

+						fseek(tmpFile, SWAP32(section.s_scnptr), SEEK_SET);

+						fread(PSXM(SWAP32(section.s_paddr)), SWAP32(section.s_size), 1, tmpFile);

+					} else {

+						memset(PSXM(SWAP32(section.s_paddr)), 0, SWAP32(section.s_size));

+					}

+				}

+				break;

+

+			case INVALID_EXE:

+				SysPrintf(_("This file does not appear to be a valid PSX file.\n"));

+				retval = -1;

+				break;

+		}

+	}

+

+	if (retval != 0) {

+		CdromId[0] = '\0';

+		CdromLabel[0] = '\0';

+	}

+

+	return retval;

+}

+

+// STATES

+

+static const char PcsxHeader[32] = "STv4 PCSX v" PACKAGE_VERSION;

+

+// Savestate Versioning!

+// If you make changes to the savestate version, please increment the value below.

+static const u32 SaveVersion = 0x8b410006;

+

+int SaveState(const char *file) {

+	gzFile f;

+	GPUFreeze_t *gpufP;

+	SPUFreeze_t *spufP;

+	int Size;

+	unsigned char *pMem;

+

+	f = gzopen(file, "wb");

+	if (f == NULL) return -1;

+

+	gzwrite(f, (void *)PcsxHeader, 32);

+	gzwrite(f, (void *)&SaveVersion, sizeof(u32));

+	gzwrite(f, (void *)&Config.HLE, sizeof(boolean));

+

+	pMem = (unsigned char *)malloc(128 * 96 * 3);

+	if (pMem == NULL) return -1;

+	GPU_getScreenPic(pMem);

+	gzwrite(f, pMem, 128 * 96 * 3);

+	free(pMem);

+

+	if (Config.HLE)

+		psxBiosFreeze(1);

+

+	gzwrite(f, psxM, 0x00200000);

+	gzwrite(f, psxR, 0x00080000);

+	gzwrite(f, psxH, 0x00010000);

+	gzwrite(f, (void *)&psxRegs, sizeof(psxRegs));

+

+	// gpu

+	gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));

+	gpufP->ulFreezeVersion = 1;

+	GPU_freeze(1, gpufP);

+	gzwrite(f, gpufP, sizeof(GPUFreeze_t));

+	free(gpufP);

+

+	// spu

+	spufP = (SPUFreeze_t *) malloc(16);

+	SPU_freeze(2, spufP);

+	Size = spufP->Size; gzwrite(f, &Size, 4);

+	free(spufP);

+	spufP = (SPUFreeze_t *) malloc(Size);

+	SPU_freeze(1, spufP);

+	gzwrite(f, spufP, Size);

+	free(spufP);

+

+	sioFreeze(f, 1);

+	cdrFreeze(f, 1);

+	psxHwFreeze(f, 1);

+	psxRcntFreeze(f, 1);

+	mdecFreeze(f, 1);

+

+	gzclose(f);

+

+	return 0;

+}

+

+int LoadState(const char *file) {

+	gzFile f;

+	GPUFreeze_t *gpufP;

+	SPUFreeze_t *spufP;

+	int Size;

+	char header[32];

+	u32 version;

+	boolean hle;

+

+	f = gzopen(file, "rb");

+	if (f == NULL) return -1;

+

+	gzread(f, header, sizeof(header));

+	gzread(f, &version, sizeof(u32));

+	gzread(f, &hle, sizeof(boolean));

+

+	if (strncmp("STv4 PCSX", header, 9) != 0 || version != SaveVersion || hle != Config.HLE) {

+		gzclose(f);

+		return -1;

+	}

+

+	psxCpu->Reset();

+	gzseek(f, 128 * 96 * 3, SEEK_CUR);

+

+	gzread(f, psxM, 0x00200000);

+	gzread(f, psxR, 0x00080000);

+	gzread(f, psxH, 0x00010000);

+	gzread(f, (void *)&psxRegs, sizeof(psxRegs));

+

+	if (Config.HLE)

+		psxBiosFreeze(0);

+

+	// gpu

+	gpufP = (GPUFreeze_t *)malloc(sizeof(GPUFreeze_t));

+	gzread(f, gpufP, sizeof(GPUFreeze_t));

+	GPU_freeze(0, gpufP);

+	free(gpufP);

+

+	// spu

+	gzread(f, &Size, 4);

+	spufP = (SPUFreeze_t *)malloc(Size);

+	gzread(f, spufP, Size);

+	SPU_freeze(0, spufP);

+	free(spufP);

+

+	sioFreeze(f, 0);

+	cdrFreeze(f, 0);

+	psxHwFreeze(f, 0);

+	psxRcntFreeze(f, 0);

+	mdecFreeze(f, 0);

+

+	gzclose(f);

+

+	return 0;

+}

+

+int CheckState(const char *file) {

+	gzFile f;

+	char header[32];

+	u32 version;

+	boolean hle;

+

+	f = gzopen(file, "rb");

+	if (f == NULL) return -1;

+

+	gzread(f, header, sizeof(header));

+	gzread(f, &version, sizeof(u32));

+	gzread(f, &hle, sizeof(boolean));

+

+	gzclose(f);

+

+	if (strncmp("STv4 PCSX", header, 9) != 0 || version != SaveVersion || hle != Config.HLE)

+		return -1;

+

+	return 0;

+}

+

+// NET Function Helpers

+

+int SendPcsxInfo() {

+	if (NET_recvData == NULL || NET_sendData == NULL)

+		return 0;

+

+	NET_sendData(&Config.Xa, sizeof(Config.Xa), PSE_NET_BLOCKING);

+	NET_sendData(&Config.Sio, sizeof(Config.Sio), PSE_NET_BLOCKING);

+	NET_sendData(&Config.SpuIrq, sizeof(Config.SpuIrq), PSE_NET_BLOCKING);

+	NET_sendData(&Config.RCntFix, sizeof(Config.RCntFix), PSE_NET_BLOCKING);

+	NET_sendData(&Config.PsxType, sizeof(Config.PsxType), PSE_NET_BLOCKING);

+	NET_sendData(&Config.Cpu, sizeof(Config.Cpu), PSE_NET_BLOCKING);

+

+	return 0;

+}

+

+int RecvPcsxInfo() {

+	int tmp;

+

+	if (NET_recvData == NULL || NET_sendData == NULL)

+		return 0;

+

+	NET_recvData(&Config.Xa, sizeof(Config.Xa), PSE_NET_BLOCKING);

+	NET_recvData(&Config.Sio, sizeof(Config.Sio), PSE_NET_BLOCKING);

+	NET_recvData(&Config.SpuIrq, sizeof(Config.SpuIrq), PSE_NET_BLOCKING);

+	NET_recvData(&Config.RCntFix, sizeof(Config.RCntFix), PSE_NET_BLOCKING);

+	NET_recvData(&Config.PsxType, sizeof(Config.PsxType), PSE_NET_BLOCKING);

+

+	SysUpdate();

+

+	tmp = Config.Cpu;

+	NET_recvData(&Config.Cpu, sizeof(Config.Cpu), PSE_NET_BLOCKING);

+	if (tmp != Config.Cpu) {

+		psxCpu->Shutdown();

+#ifdef PSXREC

+		if (Config.Cpu == CPU_INTERPRETER) psxCpu = &psxInt;

+		else psxCpu = &psxRec;

+#else

+		psxCpu = &psxInt;

+#endif

+		if (psxCpu->Init() == -1) {

+			SysClose(); return -1;

+		}

+		psxCpu->Reset();

+	}

+

+	return 0;

+}

+

+// remove the leading and trailing spaces in a string

+void trim(char *str) {

+	int pos = 0;

+	char *dest = str;

+

+	// skip leading blanks

+	while (str[pos] <= ' ' && str[pos] > 0)

+		pos++;

+

+	while (str[pos]) {

+		*(dest++) = str[pos];

+		pos++;

+	}

+

+	*(dest--) = '\0'; // store the null

+

+	// remove trailing blanks

+	while (dest >= str && *dest <= ' ' && *dest > 0)

+		*(dest--) = '\0';

+}

+

+// lookup table for crc calculation

+static unsigned short crctab[256] = {

+	0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, 0x8108,

+	0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210,

+	0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, 0x9339, 0x8318, 0xB37B,

+	0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401,

+	0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE,

+	0xF5CF, 0xC5AC, 0xD58D, 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6,

+	0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D,

+	0xC7BC, 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,

+	0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, 0x5AF5,

+	0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC,

+	0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, 0x6CA6, 0x7C87, 0x4CE4,

+	0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD,

+	0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13,

+	0x2E32, 0x1E51, 0x0E70, 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A,

+	0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E,

+	0xE16F, 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,

+	0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, 0x02B1,

+	0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB,

+	0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, 0x34E2, 0x24C3, 0x14A0,

+	0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8,

+	0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657,

+	0x7676, 0x4615, 0x5634, 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9,

+	0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882,

+	0x28A3, 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,

+	0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, 0xFD2E,

+	0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07,

+	0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, 0xEF1F, 0xFF3E, 0xCF5D,

+	0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74,

+	0x2E93, 0x3EB2, 0x0ED1, 0x1EF0

+};

+

+u16 calcCrc(u8 *d, int len) {

+	u16 crc = 0;

+	int i;

+

+	for (i = 0; i < len; i++) {

+		crc = crctab[(crc >> 8) ^ d[i]] ^ (crc << 8);

+	}

+

+	return ~crc;

+}