Ejemplos de iop_upload_to_ram en C++ (Cpp)

Ejemplo n.º 1

Archivo: heplug.c Proyecto: wothke/webpsx

int psf1_load(void * context, const uint8_t * exe, size_t exe_size,
                                  const uint8_t * reserved, size_t reserved_size)
{
    struct psf_load_state * state = ( struct psf_load_state * ) context;

    psxexe_hdr_t *psx = (psxexe_hdr_t *) exe;

    if ( exe_size < 0x800 ) return -1;

    uint32_t addr = get_le32( &psx->exec.t_addr );
    uint32_t size = exe_size - 0x800;

    addr &= 0x1fffff;
    if ( ( addr < 0x10000 ) || ( size > 0x1f0000 ) || ( addr + size > 0x200000 ) ) return -1;

    void * pIOP = psx_get_iop_state( state->emu );
    iop_upload_to_ram( pIOP, addr, exe + 0x800, size );

    if ( !state->refresh )
    {
        if (!strncasecmp((const char *) exe + 113, "Japan", 5)) state->refresh = 60;
        else if (!strncasecmp((const char *) exe + 113, "Europe", 6)) state->refresh = 50;
        else if (!strncasecmp((const char *) exe + 113, "North America", 13)) state->refresh = 60;
    }

    if ( state->first )
    {
        void * pR3000 = iop_get_r3000_state( pIOP );
        r3000_setreg(pR3000, R3000_REG_PC, get_le32( &psx->exec.pc0 ) );
        r3000_setreg(pR3000, R3000_REG_GEN+29, get_le32( &psx->exec.s_ptr ) );
        state->first = 0;
    }

    return 0;
}

Ejemplo n.º 2

Archivo: psx.c Proyecto: 9a3eedi/Droidsound

/////////////////////////////////////////////////////////////////////////////
//
// 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;
}