/////////////////////////////////////////////////////////////////////////////
//
// Upload PS-X EXE - must INCLUDE the header.
// If the header includes the strings "North America", "Japan", or "Europe",
// the appropriate refresh rate is set.
// Returns nonzero on error.
// Will return error for PS2.
//
sint32 EMU_CALL psx_upload_psxexe(void *state, void *program, uint32 size) {
uint32 init_pc;
uint32 init_sp;
uint32 text_start;
uint32 text_size;
if(PSXSTATE->version != 1) return -1;
if(size < 0x801) return -1;
if(memcmp(program, "PS-X EXE", 8)) return -1;
text_start = get32lsb(((uint8*)program) + 0x18);
text_size = get32lsb(((uint8*)program) + 0x1C);
init_pc = get32lsb(((uint8*)program) + 0x10);
init_sp = get32lsb(((uint8*)program) + 0x30);
// Try to determine the region, or leave it at the default if it's not found
if(string_exists(program, 0x800, "North America")) { psx_set_refresh(state, 60); }
else if(string_exists(program, 0x800, "Japan" )) { psx_set_refresh(state, 60); }
else if(string_exists(program, 0x800, "Europe" )) { psx_set_refresh(state, 50); }
if(text_size > (size - 0x800)) { text_size = (size - 0x800); }
iop_upload_to_ram(IOPSTATE, text_start, ((uint8*)program) + 0x800, text_size);
r3000_setreg(iop_get_r3000_state(IOPSTATE), R3000_REG_PC , init_pc);
r3000_setreg(iop_get_r3000_state(IOPSTATE), R3000_REG_GEN+29, init_sp);
return 0;
}
/////////////////////////////////////////////////////////////////////////////
//
// Upload program - must INCLUDE the 4-byte header.
// Returns nonzero on error.
//
sint32 EMU_CALL sega_upload_program(void *state, void *program, uint32 size) {
uint32 start;
if(size < 5) return -1;
start = get32lsb((uint8*)program);
#ifndef DISABLE_SSF
if(HAVE_SATSOUND) {
satsound_upload_to_ram(SATSOUNDSTATE, start, ((uint8*)program) + 4, size - 4);
} else
#endif
if(HAVE_DCSOUND) {
dcsound_upload_to_ram(DCSOUNDSTATE, start, ((uint8*)program) + 4, size - 4);
} else {
return -1;
}
return 0;
}
