Python gb.Gb类代码示例

def get_ram():
    """
    Returns the RAM in bytes.
    """
    ram_array = jarray.zeros(Gb.RAM_SIZE, "i")
    Gb.getRAM(ram_array)
    return RomList(ram_array)

def shutdown():
    """
    Stops the emulator. Closes the window.

    The "opposite" of this is the load_rom function.
    """
    Gb.shutdown()

def set_memory(memory):
    """
    Sets memory in the emulator.

    Use get_memory() to retrieve the current state.
    """
    Gb.writeMemory(memory)

    def remove_cheat(id):
        """
        Removes a specific cheat from memory by id.

        void gbCheatRemove(int i)
        """
        Gb.cheatRemove(id)

def get_registers():
    """
    Returns a list of current register values.
    """
    register_array = jarray.zeros(Gb.NUM_REGISTERS, "i")
    Gb.getRegisters(register_array)
    return list(register_array)

    def remove_all():
        """
        Removes all cheats from memory.

        void gbCheatRemoveAll()
        """
        Gb.cheatRemoveAll()

def get_rom():
    """
    Returns the ROM in bytes.
    """
    rom_array = jarray.zeros(Gb.ROM_SIZE, "i")
    Gb.getROM(rom_array)
    return RomList(rom_array)

def get_memory():
    """
    Returns memory in bytes.
    """
    memory_size = 0x10000
    memory = jarray.zeros(memory_size, "i")
    Gb.getMemory(memory)
    return RomList(memory)

def set_memory_at(address, value):
    """
    Sets a byte at a certain address in memory.

    This directly sets the memory instead of copying
    the memory from the emulator.
    """
    Gb.setMemoryAt(address, value)

def set_state(state, do_step=False):
    """
    Injects the given state into the emulator. Use do_step if you want to call
    step(), which also allows SDL to render the latest frame. Note that the
    default is to not step, and that the screen (if it is enabled) will appear
    as if it still has the last state loaded. This is normal.
    """
    Gb.loadState(_create_byte_buffer(state))
    if do_step:
        step()

def get_pixels():
    """
    Returns a list of pixels on the screen display. Broken, probably. Use
    screenshot() instead.
    """
    sys.stderr.write("ERROR: seems to be broken on VBA's end? Good luck. Use"
    " screenshot() instead.\n")
    size = Gb.DISPLAY_WIDTH * Gb.DISPLAY_HEIGHT
    pixels = jarray.zeros(size, "i")
    Gb.getPixels(pixels)
    return RomList(pixels)

def screenshot(filename, literal=False):
    """
    Saves a PNG screenshot to the file at filename. Use literal if you want to
    store it in the current directory. Default is to save it to screenshots/
    under the project.
    """
    screenshots_path = os.path.join(project_path, "screenshots/")
    filename = os.path.join(screenshots_path, filename)
    if len(filename) < 4 or filename[-4:] != ".png":
        filename += ".png"
    Gb.nwritePNG(filename)
    print "Screenshot saved to: " + str(filename)

def press(buttons, steplimit=1):
    """
    Press a button. Use steplimit to say for how many steps you want to press
    the button (try leaving it at the default, 1).
    """
    if hasattr(buttons, "__len__"):
        number = button_combiner(buttons)
    elif isinstance(buttons, int):
        number = buttons
    else:
        number = buttons
    for step_counter in range(0, steplimit):
        Gb.step(number)

def get_buttons():
    """
    Returns the currentButtons[0] value

    (an integer with bits set for which
    buttons are currently pressed).
    """
    return Gb.getCurrentButtons()

def load_rom(path=None):
    """
    Starts the emulator with a certain ROM. Defaults to rom_path if no
    parameters are given.
    """
    if path == None:
        path = rom_path
    try:
        root = load_state("root")
    except:
        # "root.sav" is required because if you create it in the future, you
        # will have to shutdown the emulator and possibly lose your state. Some
        # functions require there to be at least one root state available to do
        # computations between two states.
        sys.stderr.write("ERROR: unable to read \"root.sav\", please run"
        " generate_root() or get_root() to make an initial save.\n")
    Gb.startEmulator(path)