void psxReset() {
psxCpu->Reset();
printf("Reset\n");
psxMemReset();
printf("psxMemReset\n");
memset(&psxRegs, 0, sizeof(psxRegs));
psxRegs.pc = 0xbfc00000; // Start in bootstrap
psxRegs.CP0.r[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1
psxRegs.CP0.r[15] = 0x00000002; // PRevID = Revision ID, same as R3000A
printf("psxHwReset\n");
psxHwReset();
psxBiosInit();
printf("psxBiosInit\n");
if (!Config.HLE){
printf("psxExecuteBios\n");
psxExecuteBios();
printf("psxExecuteBios Ok\n");
}
#ifdef EMU_LOG
EMU_LOG("*BIOS END*\n");
#endif
Log = 0;
}
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;
void* psxmaddr;
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(§ion_address, 4, 1, tmpFile);
fread(§ion_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(§ion, 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 {
psxmaddr = PSXM(SWAP32(section.s_paddr));
assert(psxmaddr != NULL);
memset(psxmaddr, 0, SWAP32(section.s_size));
}
}
break;
case INVALID_EXE:
SysPrintf("%s", _("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;
}
int Load(const char *ExePath) {
FILE *tmpFile;
EXE_HEADER tmpHead;
int type;
int retval = 0;
u8 opcode;
u32 section_address, section_size;
void *mem;
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 {
type = PSXGetFileType(tmpFile);
switch (type) {
case PSX_EXE:
fread(&tmpHead,sizeof(EXE_HEADER),1,tmpFile);
section_address = SWAP32(tmpHead.t_addr);
section_size = SWAP32(tmpHead.t_size);
mem = PSXM(section_address);
if (mem != NULL) {
fseek(tmpFile, 0x800, SEEK_SET);
fread_to_ram(mem, section_size, 1, tmpFile);
psxCpu->Clear(section_address, section_size / 4);
}
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(§ion_address, 4, 1, tmpFile);
fread(§ion_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
mem = PSXM(section_address);
if (mem != NULL) {
fread_to_ram(mem, section_size, 1, tmpFile);
psxCpu->Clear(section_address, section_size / 4);
}
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:
SysPrintf(_("COFF files not supported.\n"));
retval = -1;
break;
case INVALID_EXE:
SysPrintf(_("This file does not appear to be a valid PSX EXE file.\n"));
SysPrintf(_("(did you forget -cdfile ?)\n"));
retval = -1;
break;
}
}
if (retval != 0) {
CdromId[0] = '\0';
CdromLabel[0] = '\0';
}
return retval;
}