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misc.c
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misc.c
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/***************************************************************************
* 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 <assert.h>
#include "misc.h"
#include "cdrom.h"
#include "psxhw.h"
#include "mdec.h"
#include "ppf.h"
#include "gpu.h"
#include "Gamecube/wiiSXconfig.h"
#include "Gamecube/fileBrowser/fileBrowser-libfat.h"
#include "dfsound/externals.h"
#include "database.h"
int Log = 0;
char CdromId[10];
char debugInfo[256];
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;
int block = SWAP32(*((uint32_t*) b));
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) == 0) return -1; \
buf = (void *)CDR_getBuffer(); \
if (buf == NULL) return -1; \
/*else CheckPPFCache((u8 *)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 void events_restore(void)
{
int i;
for (i = 0; i < PSXINT_COUNT; i++)
event_cycles[i] = psxRegs.intCycle[i].sCycle + psxRegs.intCycle[i].cycle;
event_cycles[PSXINT_RCNT] = psxNextsCounter + psxNextCounter;
psxRegs.interrupt |= 1 << PSXINT_RCNT;
psxRegs.interrupt &= (1 << PSXINT_COUNT) - 1;
}
int GetCdromFile(u8 *mdir, u8 *time, char *filename) {
struct iso_directory_record *dir;
int retval = -1;
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 += (u8)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);
retval = 0;
break;
}
}
}
return retval;
}
static void SetBootRegs(u32 pc, u32 gp, u32 sp)
{
//printf("%s %08x %08x %08x\n", __func__, pc, gp, sp);
psxCpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
psxRegs.pc = pc;
psxRegs.GPR.n.gp = gp;
psxRegs.GPR.n.sp = sp ? sp : 0x801fff00;
psxRegs.GPR.n.fp = psxRegs.GPR.n.sp;
psxRegs.GPR.n.t0 = psxRegs.GPR.n.sp; // mimic A(43)
psxRegs.GPR.n.t3 = pc;
psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
}
int BiosBootBypass() {
struct CdrStat stat = { 0, 0, };
assert(psxRegs.pc == 0x80030000);
// no bypass if the lid is open
CDR__getStatus(&stat);
if (stat.Status & 0x10)
return 0;
// skip BIOS logos and region check
psxCpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
psxRegs.pc = psxRegs.GPR.n.ra;
return 1;
}
static void getFromCnf(char *buf, const char *key, u32 *val)
{
buf = strstr(buf, key);
if (buf)
buf = strchr(buf, '=');
if (buf)
*val = strtol(buf + 1, NULL, 16);
}
int LoadCdrom() {
EXE_HEADER tmpHead;
struct iso_directory_record *dir;
u8 time[4], *buf;
u8 mdir[4096];
if (!Config.HLE) {
if (psxRegs.pc != 0x80030000) // BiosBootBypass'ed or custom BIOS?
return 0;
if (!LoadCdBios)
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();
char exename[256];
sscanf((char *)buf + 12, "BOOT = cdrom:\\%255s", exename);
if (GetCdromFile(mdir, time, exename) == -1) {
sscanf((char *)buf + 12, "BOOT = cdrom:%255s", 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));
SetBootRegs(SWAP32(tmpHead.pc0), SWAP32(tmpHead.gp0), SWAP32(tmpHead.s_addr));
tmpHead.t_size = SWAP32(tmpHead.t_size);
tmpHead.t_addr = SWAP32(tmpHead.t_addr);
psxCpu->Clear(tmpHead.t_addr, tmpHead.t_size / 4);
//psxCpu->Reset();
// Read the rest of the main executable
while (tmpHead.t_size & ~2047) {
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, u8 *time_bcd_out) {
struct iso_directory_record *dir;
u8 time[4],*buf;
u8 mdir[4096];
char exename[256];
const char *p1, *p2;
u32 size, addr;
void *mem;
if (filename == INVALID_PTR)
return -1;
p1 = filename;
if ((p2 = strchr(p1, ':')))
p1 = p2 + 1;
while (*p1 == '\\')
p1++;
snprintf(exename, sizeof(exename), "%s", p1);
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();
incTime();
memcpy(head, buf + 12, sizeof(EXE_HEADER));
size = SWAP32(head->t_size);
addr = SWAP32(head->t_addr);
psxCpu->Clear(addr, size / 4);
//psxCpu->Reset();
psxRegs.ICache_valid = FALSE;
while (size & ~2047) {
READTRACK();
incTime();
mem = PSXM(addr);
if (mem != INVALID_PTR)
memcpy(mem, buf + 12, 2048);
size -= 2048;
addr += 2048;
}
if (time_bcd_out)
memcpy(time_bcd_out, time, 3);
return 0;
}
void CheckPsxType()
{
if (
/* Make sure Wild Arms SCUS-94608 is not detected as a PAL game. */
((CdromId[0] == 's' || CdromId[0] == 'S') && (CdromId[2] == 'e' || CdromId[2] == 'E')) ||
!strncmp(CdromId, "DTLS3035", 8) ||
!strncmp(CdromId, "PBPX95001", 9) || // according to redump.org, these PAL
!strncmp(CdromId, "PBPX95007", 9) || // discs have a non-standard ID;
!strncmp(CdromId, "PBPX95008", 9)) // add more serials if they are discovered.
Config.PsxType = PSX_TYPE_PAL; // pal
else Config.PsxType = PSX_TYPE_NTSC; // ntsc
}
int CheckCdrom() {
struct iso_directory_record *dir;
unsigned char time[4];
char *buf;
unsigned char mdir[4096];
char exename[256];
int i, len, c;
FreePPFCache();
time[0] = itob(0);
time[1] = itob(2);
time[2] = itob(0x10);
READTRACK();
memset(CdromLabel, 0, sizeof(CdromLabel));
memset(CdromId, 0, sizeof(CdromId));
memset(exename, 0, sizeof(exename));
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(buf + 12, "BOOT = cdrom:\\%255s", exename);
if (GetCdromFile(mdir, time, exename) == -1) {
sscanf(buf + 12, "BOOT = cdrom:%255s", 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;
}
}
/* Workaround for Wild Arms EU/US which has non-standard string causing incorrect region detection */
if (exename[0] == 'E' && exename[1] == 'X' && exename[2] == 'E' && exename[3] == '\\') {
size_t offset = 4;
size_t i, len = strlen(exename) - offset;
for (i = 0; i < len; i++)
exename[i] = exename[i + offset];
exename[i] = '\0';
}
} 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') {
len = strlen(exename);
c = 0;
for (i = 0; i < len; ++i) {
if (exename[i] == ';' || c >= sizeof(CdromId) - 1)
break;
if (isalnum(exename[i]))
CdromId[c++] = exename[i];
}
}
if (CdromId[0] == '\0')
strcpy(CdromId, "SLUS99999");
if (forceNTSC){
Config.PsxType = PSX_TYPE_NTSC;
}
else if (Config.PsxAuto) { // autodetect system (pal or ntsc)
CheckPsxType();
}
if (CdromLabel[0] == ' ') {
memcpy(CdromLabel, CdromId, 9);
}
SysPrintf(_("CD-ROM Label: %.32s\n"), CdromLabel);
SysPrintf(_("CD-ROM ID: %.9s\n"), CdromId);
for(i = 32; i>0; i--) {
if(CdromLabel[i]==' ') {
CdromLabel[i]=0;
}
}
for(i = 9; i>0; i--) {
if(CdromId[i]==' ') {
CdromId[i]=0;
}
}
Apply_Hacks_Cdrom();
// xjsxjs197 mem too small
// BuildPPFCache();
return 0;
}
static int PSXGetFileType(fileBrowser_file *f) {
unsigned long current;
u32 mybuf[2048];
EXE_HEADER *exe_hdr;
FILHDR *coff_hdr;
current = f->offset;
isoFile_seekFile(f, 0, FILE_BROWSER_SEEK_SET);
isoFile_readFile(f, mybuf, 2048);
isoFile_seekFile(f, current, FILE_BROWSER_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 (coff_hdr->f_magic == 0x0162)
return COFF_EXE;
return INVALID_EXE;
}
/* TODO Error handling - return integer for each error case below, defined in an enum. Pass variable on return */
int Load(fileBrowser_file *exe) {
EXE_HEADER tmpHead;
int temp;
int retval = 0;
strncpy(CdromId, "Homebrew\0", 9);
strncpy(CdromLabel, "Demo\0", 5);
if (isoFile_readFile(exe, &temp, 4) != 4) {
SysMessage(_("Error opening file: %s"), exe->name);
retval = 0;
} else {
exe->offset = 0; //reset the offset back to 0
int type = PSXGetFileType(exe);
switch (type) {
case PSX_EXE:
isoFile_readFile(exe, &tmpHead, sizeof(EXE_HEADER));
isoFile_seekFile(exe, 0x800, FILE_BROWSER_SEEK_SET);
isoFile_readFile(exe, (void *)PSXM(SWAP32(tmpHead.t_addr)), SWAP32(tmpHead.t_size));
SetBootRegs(SWAP32(tmpHead.pc0), SWAP32(tmpHead.gp0), SWAP32(tmpHead.s_addr));
retval = 0;
break;
case CPE_EXE:
SysMessage(_("CPE files not supported."));
retval = -1;
break;
case COFF_EXE:
SysMessage(_("COFF files not supported."));
retval = -1;
break;
case INVALID_EXE:
SysMessage(_("This file does not appear to be a valid PSX file."));
retval = -1;
break;
}
}
return retval;
}
// STATES
void LoadingBar_showBar(float percent, const char* string);
const char PcsxHeader[32] = "STv4 PCSX 3.0";
char* statespath = "/wiisxrx/savestates/";
static unsigned int savestates_slot = 0;
extern unsigned char *psxVub;
#define iGPUHeight 512
#define SAVE_STATE_MSG "Saving State .."
#define LOAD_STATE_MSG "Loading State .."
void savestates_select_slot(unsigned int s)
{
if (s > 9) {
return;
}
savestates_slot = s;
}
#define MISC_MAGIC 0x4353494d
struct misc_save_data {
u32 magic;
u32 gteBusyCycle;
u32 muldivBusyCycle;
u32 biuReg;
u32 biosBranchCheck;
u32 gpuIdleAfter;
u32 gpuSr;
u32 frame_counter;
int CdromFrontendId;
};
int SaveState() {
struct misc_save_data *misc = (void *)(psxH + 0xf000);
gzFile f;
GPUFreeze_t *gpufP;
SPUFreeze_t *spufP;
int Size;
unsigned char *pMem;
char *filename;
//assert(!psxRegs.branching);
//assert(!psxRegs.cpuInRecursion);
//assert(!misc->magic); // After SaveState ->LoadState, attempting to save the state again will result in an error
misc->magic = MISC_MAGIC;
misc->gteBusyCycle = psxRegs.gteBusyCycle;
misc->muldivBusyCycle = psxRegs.muldivBusyCycle;
misc->biuReg = psxRegs.biuReg;
misc->biosBranchCheck = psxRegs.biosBranchCheck;
misc->gpuIdleAfter = psxRegs.gpuIdleAfter;
misc->gpuSr = HW_GPU_STATUS;
misc->frame_counter = frame_counter;
//misc->CdromFrontendId = CdromFrontendId;
/* fix the filename to %s.st%u format */
filename = malloc(1024);
#ifdef HW_RVL
sprintf(filename, "%s%s%s.st%u",(saveStateDevice==SAVESTATEDEVICE_USB)?"usb:":"sd:",
statespath, CdromId, savestates_slot);
#else
sprintf(filename, "sd:%s%s.st%u", statespath, CdromId, savestates_slot);
#endif
f = gzopen(filename, "wb");
free(filename);
if (!f) {
return 0;
}
psxCpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
LoadingBar_showBar(0.0f, SAVE_STATE_MSG);
pauseRemovalThread();
gzwrite(f, (void*)PcsxHeader, 32);
gzwrite(f, (void *)&Config.HLE, sizeof(bool));
pMem = (unsigned char *) malloc(128 * 96 * 3);
if (pMem == NULL) return -1;
//gpuPtr->getScreenPic(pMem);
gzwrite(f, pMem, 128 * 96 * 3);
free(pMem);
if (Config.HLE) {
psxBiosFreeze(1);
}
LoadingBar_showBar(0.10f, SAVE_STATE_MSG);
gzwrite(f, psxM, 0x00200000);
LoadingBar_showBar(0.40f, SAVE_STATE_MSG);
gzwrite(f, psxR, 0x00080000);
LoadingBar_showBar(0.60f, SAVE_STATE_MSG);
gzwrite(f, psxH, 0x00010000);
// only partial save of psxRegisters to maintain savestate compat
gzwrite(f, (void*)&psxRegs, offsetof(psxRegisters, gteBusyCycle));
LoadingBar_showBar(0.70f, SAVE_STATE_MSG);
// gpu
gpufP = (GPUFreeze_t *) malloc(sizeof(GPUFreeze_t));
gpufP->ulFreezeVersion = 1;
gpuPtr->freeze(1, gpufP);
gzwrite(f, gpufP, sizeof(GPUFreeze_t));
free(gpufP);
// When using the lightrec core at that time, the memory of WiiStation was already less than 2MB
// so the VRAM data was directly saved to file
gzwrite(f, &psxVub[0], 1024 * iGPUHeight * 2);
LoadingBar_showBar(0.80f, SAVE_STATE_MSG);
// spu
spufP = (SPUFreeze_t *) malloc(16);
SPU_freeze(2, spufP, psxRegs.cycle);
Size = spufP->ulFreezeSize; gzwrite(f, &Size, 4);
free(spufP);
spufP = (SPUFreeze_t *) malloc(Size);
SPU_freeze(1, spufP, psxRegs.cycle);
gzwrite(f, spufP, Size);
free(spufP);
LoadingBar_showBar(0.90f, SAVE_STATE_MSG);
sioFreeze(f, 1);
cdrFreeze(f, 1);
psxHwFreeze(f, 1);
psxRcntFreeze(f, 1);
mdecFreeze(f, 1);
//new_dyna_freeze(f, 1);
LoadingBar_showBar(0.99f, SAVE_STATE_MSG);
gzclose(f);
continueRemovalThread();
LoadingBar_showBar(1.0f, SAVE_STATE_MSG);
return 1; //ok
}
int LoadState() {
struct misc_save_data *misc = (void *)(psxH + 0xf000);
u32 biosBranchCheckOld = psxRegs.biosBranchCheck;
gzFile f;
GPUFreeze_t *gpufP;
SPUFreeze_t *spufP;
int Size;
char header[32];
char *filename;
/* fix the filename to %s.st%u format */
filename = malloc(1024);
#ifdef HW_RVL
sprintf(filename, "%s%s%s.st%u",(saveStateDevice==SAVESTATEDEVICE_USB)?"usb:":"sd:",
statespath, CdromId, savestates_slot);
#else
sprintf(filename, "sd:%s%s.st%u", statespath, CdromId, savestates_slot);
#endif
f = gzopen(filename, "rb");
free(filename);
if (!f) {
return 0;
}
pauseRemovalThread();
LoadingBar_showBar(0.0f, LOAD_STATE_MSG);
gzread(f, header, sizeof(header));
gzread(f, (void *)&Config.HLE, sizeof(bool));
LoadingBar_showBar(0.10f, LOAD_STATE_MSG);
if (strncmp(PcsxHeader, header, sizeof(header))) { gzclose(f); return -1; }
if (Config.HLE)
psxBiosInit();
gzseek(f, 128 * 96 * 3, SEEK_CUR);
gzread(f, psxM, 0x00200000);
LoadingBar_showBar(0.40f, LOAD_STATE_MSG);
gzread(f, psxR, 0x00080000);
LoadingBar_showBar(0.60f, LOAD_STATE_MSG);
gzread(f, psxH, 0x00010000);
gzread(f, (void*)&psxRegs, offsetof(psxRegisters, gteBusyCycle));
psxRegs.gteBusyCycle = psxRegs.cycle;
psxRegs.biosBranchCheck = ~0;
psxRegs.gpuIdleAfter = psxRegs.cycle - 1;
HW_GPU_STATUS &= SWAP32(~PSXGPU_nBUSY);
if (misc->magic == MISC_MAGIC) {
psxRegs.gteBusyCycle = misc->gteBusyCycle;
psxRegs.muldivBusyCycle = misc->muldivBusyCycle;
psxRegs.biuReg = misc->biuReg;
psxRegs.biosBranchCheck = misc->biosBranchCheck;
psxRegs.gpuIdleAfter = misc->gpuIdleAfter;
HW_GPU_STATUS = misc->gpuSr;
frame_counter = misc->frame_counter;
//CdromFrontendId = misc->CdromFrontendId;
}
LoadingBar_showBar(0.70f, LOAD_STATE_MSG);
psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
if (Config.HLE)
psxBiosFreeze(0);
// gpu
gpufP = (GPUFreeze_t *) malloc (sizeof(GPUFreeze_t));
gzread(f, gpufP, sizeof(GPUFreeze_t));
gpuPtr->freeze(0, gpufP);
free(gpufP);
// gpu VRAM load (load directly to save memory)
gzread(f, &psxVub[0], 1024 * iGPUHeight * 2);
gpuSyncPluginSR();
LoadingBar_showBar(0.80f, LOAD_STATE_MSG);
// spu
gzread(f, &Size, 4);
spufP = (SPUFreeze_t *) malloc (Size);
gzread(f, spufP, Size);
SPU_freeze(0, spufP, psxRegs.cycle);
free(spufP);
LoadingBar_showBar(0.99f, LOAD_STATE_MSG);
sioFreeze(f, 0);
cdrFreeze(f, 0);
psxHwFreeze(f, 0);
psxRcntFreeze(f, 0);
mdecFreeze(f, 0);
//new_dyna_freeze(f, 0);
gzclose(f);
continueRemovalThread();
events_restore();
if (Config.HLE)
psxBiosCheckExe(biosBranchCheckOld, 0x60, 1);
LoadingBar_showBar(1.0f, LOAD_STATE_MSG);
return 1;
}
int CheckState(char *file) {
gzFile f;
char header[32];
f = gzopen(file, "rb");
if (f == NULL) return -1;
psxCpu->Reset();
gzread(f, header, 32);
gzclose(f);
if (strncmp("STv4 PCSX", header, 9)) return -1;
return 0;
}
// NET Function Helpers
int SendPcsxInfo() {
if (NET_recvData == NULL || NET_sendData == NULL)
return 0;
// SysPrintf("SendPcsxInfo\n");
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);
// SysPrintf("Send OK\n");
return 0;
}
int RecvPcsxInfo() {
int tmp;
if (NET_recvData == NULL || NET_sendData == NULL)
return 0;
// SysPrintf("RecvPcsxInfo\n");
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);
//psxUpdateVSyncRate();
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)
psxCpu = &psxInt;
else psxCpu = &psxLightrec;
#else
psxCpu = &psxInt;
#endif
if (psxCpu->Init() == -1) {
SysClose(); return -1;
}
psxCpu->Reset();
psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
}
// SysPrintf("Recv OK\n");
return 0;
}
void __Log(char *fmt, ...) {
va_list list;
#ifdef LOG_STDOUT
char tmp[1024];
#endif
va_start(list, fmt);
#ifndef LOG_STDOUT
#if defined (CPU_LOG) || defined(DMA_LOG) || defined(CDR_LOG) || defined(HW_LOG) || \
defined(PSXBIOS_LOG) || defined(GTE_LOG) || defined(PAD_LOG)
vfprintf(emuLog, fmt, list);
#endif
#else
vsprintf(tmp, fmt, list);
SysPrintf(tmp);
#endif
va_end(list);
}
// 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 (u16)(~crc);
}