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SummerCart64/sw/pc/sc64.py

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Python
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#!/usr/bin/env python3
import argparse
import os
import queue
import serial
import socket
import sys
import time
from binascii import crc32
from datetime import datetime
from enum import Enum, IntEnum
from io import BufferedReader
from serial.tools import list_ports
from threading import Thread
from typing import Callable, Optional
from PIL import Image
class BadBlockError(Exception):
pass
class DD64Image:
__DISK_HEADS = 2
__DISK_TRACKS = 1175
__DISK_BLOCKS_PER_TRACK = 2
__DISK_SECTORS_PER_BLOCK = 85
__DISK_BAD_TRACKS_PER_ZONE = 12
__DISK_SYSTEM_SECTOR_SIZE = 232
__DISK_ZONES = [
(0, 232, 158, 0),
(0, 216, 158, 158),
(0, 208, 149, 316),
(0, 192, 149, 465),
(0, 176, 149, 614),
(0, 160, 149, 763),
(0, 144, 149, 912),
(0, 128, 114, 1061),
(1, 216, 158, 157),
(1, 208, 158, 315),
(1, 192, 149, 464),
(1, 176, 149, 613),
(1, 160, 149, 762),
(1, 144, 149, 911),
(1, 128, 149, 1060),
(1, 112, 114, 1174),
]
__DISK_VZONE_TO_PZONE = [
[0, 1, 2, 9, 8, 3, 4, 5, 6, 7, 15, 14, 13, 12, 11, 10],
[0, 1, 2, 3, 10, 9, 8, 4, 5, 6, 7, 15, 14, 13, 12, 11],
[0, 1, 2, 3, 4, 11, 10, 9, 8, 5, 6, 7, 15, 14, 13, 12],
[0, 1, 2, 3, 4, 5, 12, 11, 10, 9, 8, 6, 7, 15, 14, 13],
[0, 1, 2, 3, 4, 5, 6, 13, 12, 11, 10, 9, 8, 7, 15, 14],
[0, 1, 2, 3, 4, 5, 6, 7, 14, 13, 12, 11, 10, 9, 8, 15],
[0, 1, 2, 3, 4, 5, 6, 7, 15, 14, 13, 12, 11, 10, 9, 8],
]
__DISK_DRIVE_TYPES = [(
'development',
192,
[11, 10, 3, 2],
[0, 1, 8, 9, 16, 17, 18, 19, 20, 21, 22, 23],
), (
'retail',
232,
[9, 8, 1, 0],
[2, 3, 10, 11, 12, 16, 17, 18, 19, 20, 21, 22, 23],
)]
__file: Optional[BufferedReader]
__drive_type: Optional[str]
__block_info_table: list[tuple[int, int]]
loaded: bool = False
def __init__(self) -> None:
self.__file = None
self.__drive_type = None
block_info_table_length = self.__DISK_HEADS * self.__DISK_TRACKS * self.__DISK_BLOCKS_PER_TRACK
self.__block_info_table = [None] * block_info_table_length
def __del__(self) -> None:
self.unload()
def __check_system_block(self, lba: int, sector_size: int, check_disk_type: bool) -> tuple[bool, bytes]:
self.__file.seek(lba * self.__DISK_SYSTEM_SECTOR_SIZE * self.__DISK_SECTORS_PER_BLOCK)
system_block_data = self.__file.read(sector_size * self.__DISK_SECTORS_PER_BLOCK)
system_data = system_block_data[:sector_size]
for sector in range(1, self.__DISK_SECTORS_PER_BLOCK):
sector_data = system_block_data[(sector * sector_size):][:sector_size]
if (system_data != sector_data):
return (False, None)
if (check_disk_type):
if (system_data[4] != 0x10):
return (False, None)
if ((system_data[5] & 0xF0) != 0x10):
return (False, None)
return (True, system_data)
def __parse_disk(self) -> None:
disk_system_data = None
disk_id_data = None
disk_bad_lbas = []
drive_index = 0
while (disk_system_data == None) and (drive_index < len(self.__DISK_DRIVE_TYPES)):
(drive_type, system_sector_size, system_data_lbas, bad_lbas) = self.__DISK_DRIVE_TYPES[drive_index]
disk_bad_lbas.clear()
disk_bad_lbas.extend(bad_lbas)
for system_lba in system_data_lbas:
(valid, system_data) = self.__check_system_block(system_lba, system_sector_size, check_disk_type=True)
if (valid):
self.__drive_type = drive_type
disk_system_data = system_data
else:
disk_bad_lbas.append(system_lba)
drive_index += 1
for id_lba in [15, 14]:
(valid, id_data) = self.__check_system_block(id_lba, self.__DISK_SYSTEM_SECTOR_SIZE, check_disk_type=False)
if (valid):
disk_id_data = id_data
else:
disk_bad_lbas.append(id_lba)
if not (disk_system_data and disk_id_data):
raise ValueError('Provided 64DD disk file is not valid')
disk_zone_bad_tracks = []
for zone in range(len(self.__DISK_ZONES)):
zone_bad_tracks = []
start = 0 if zone == 0 else system_data[0x07 + zone]
stop = system_data[0x07 + zone + 1]
for offset in range(start, stop):
zone_bad_tracks.append(system_data[0x20 + offset])
for ignored_track in range(self.__DISK_BAD_TRACKS_PER_ZONE - len(zone_bad_tracks)):
zone_bad_tracks.append(self.__DISK_ZONES[zone][2] - ignored_track - 1)
disk_zone_bad_tracks.append(zone_bad_tracks)
disk_type = disk_system_data[5] & 0x0F
current_lba = 0
starting_block = 0
disk_file_offset = 0
for zone in self.__DISK_VZONE_TO_PZONE[disk_type]:
(head, sector_size, tracks, track) = self.__DISK_ZONES[zone]
for zone_track in range(tracks):
current_zone_track = (
(tracks - 1) - zone_track) if head else zone_track
if (current_zone_track in disk_zone_bad_tracks[zone]):
track += (-1) if head else 1
continue
for block in range(self.__DISK_BLOCKS_PER_TRACK):
index = (track << 2) | (head << 1) | (starting_block ^ block)
if (current_lba not in disk_bad_lbas):
self.__block_info_table[index] = (disk_file_offset, sector_size * self.__DISK_SECTORS_PER_BLOCK)
else:
self.__block_info_table[index] = None
disk_file_offset += sector_size * self.__DISK_SECTORS_PER_BLOCK
current_lba += 1
track += (-1) if head else 1
starting_block ^= 1
def __check_track_head_block(self, track: int, head: int, block: int) -> None:
if (track < 0 or track >= self.__DISK_TRACKS):
raise ValueError('Track outside of possible range')
if (head < 0 or head >= self.__DISK_HEADS):
raise ValueError('Head outside of possible range')
if (block < 0 or block >= self.__DISK_BLOCKS_PER_TRACK):
raise ValueError('Block outside of possible range')
def __get_table_index(self, track: int, head: int, block: int) -> int:
return (track << 2) | (head << 1) | (block)
def __get_block_info(self, track: int, head: int, block: int) -> Optional[tuple[int, int]]:
if (self.__file.closed):
return None
self.__check_track_head_block(track, head, block)
index = self.__get_table_index(track, head, block)
return self.__block_info_table[index]
def load(self, path: str) -> None:
self.unload()
self.__file = open(path, 'rb+')
self.__parse_disk()
self.loaded = True
def unload(self) -> None:
self.loaded = False
if (self.__file != None and not self.__file.closed):
self.__file.close()
self.__drive_type = None
def get_block_info_table(self) -> list[tuple[int, int]]:
return self.__block_info_table
def get_drive_type(self) -> str:
return self.__drive_type
def read_block(self, track: int, head: int, block: int) -> bytes:
info = self.__get_block_info(track, head, block)
if (info == None):
raise BadBlockError
(offset, block_size) = info
self.__file.seek(offset)
return self.__file.read(block_size)
def write_block(self, track: int, head: int, block: int, data: bytes) -> None:
info = self.__get_block_info(track, head, block)
if (info == None):
raise BadBlockError
(offset, block_size) = info
if (len(data) != block_size):
raise ValueError(f'Provided data block size is different than expected ({len(data)} != {block_size})')
self.__file.seek(offset)
self.__file.write(data)
class ConnectionException(Exception):
pass
class SC64Serial:
__disconnect = False
__serial: Optional[serial.Serial] = None
__thread_read = None
__thread_write = None
__queue_output = queue.Queue()
__queue_input = queue.Queue()
__queue_packet = queue.Queue()
__VID = 0x0403
__PID = 0x6014
__CHUNK_SIZE = (64 * 1024)
def __init__(self) -> None:
ports = list_ports.comports()
device_found = False
if (self.__serial != None and self.__serial.is_open):
raise ConnectionException('Serial port is already open')
for p in ports:
if (p.vid == self.__VID and p.pid == self.__PID and p.serial_number.startswith('SC64')):
try:
self.__serial = serial.Serial(p.device, timeout=1.0, write_timeout=1.0)
self.__reset_link()
except (serial.SerialException, ConnectionException):
if (self.__serial):
self.__serial.close()
continue
device_found = True
break
if (not device_found):
raise ConnectionException('No SC64 device was found')
self.__thread_read = Thread(target=self.__serial_process_input, daemon=True)
self.__thread_write = Thread(target=self.__serial_process_output, daemon=True)
self.__thread_read.start()
self.__thread_write.start()
def __del__(self) -> None:
self.__disconnect = True
if (self.__thread_read != None and self.__thread_read.is_alive()):
self.__thread_read.join(1)
if (self.__thread_write != None and self.__thread_write.is_alive()):
self.__thread_write.join(1)
if (self.__serial != None and self.__serial.is_open):
self.__serial.close()
def __reset_link(self) -> None:
self.__serial.reset_output_buffer()
retry_counter = 0
self.__serial.dtr = 1
while (self.__serial.dsr == 0):
time.sleep(0.1)
retry_counter += 1
if (retry_counter >= 10):
raise ConnectionException('Could not reset SC64 device')
self.__serial.reset_input_buffer()
retry_counter = 0
self.__serial.dtr = 0
while (self.__serial.dsr == 1):
time.sleep(0.1)
retry_counter += 1
if (retry_counter >= 10):
raise ConnectionException('Could not reset SC64 device')
def __write(self, data: bytes) -> None:
try:
if (self.__disconnect):
raise ConnectionException
for offset in range(0, len(data), self.__CHUNK_SIZE):
self.__serial.write(data[offset:offset + self.__CHUNK_SIZE])
self.__serial.flush()
except (serial.SerialException, serial.SerialTimeoutException):
raise ConnectionException
def __read(self, length: int) -> bytes:
try:
data = b''
while (len(data) < length and not self.__disconnect):
data += self.__serial.read(length - len(data))
if (self.__disconnect):
raise ConnectionException
return data
except serial.SerialException:
raise ConnectionException
def __read_int(self) -> int:
return int.from_bytes(self.__read(4), byteorder='big')
def __serial_process_output(self) -> None:
while (not self.__disconnect and self.__serial != None and self.__serial.is_open):
try:
packet: bytes = self.__queue_output.get(timeout=0.1)
self.__write(packet)
self.__queue_output.task_done()
except queue.Empty:
continue
except ConnectionException:
break
def __serial_process_input(self) -> None:
while (not self.__disconnect and self.__serial != None and self.__serial.is_open):
try:
token = self.__read(4)
if (len(token) == 4):
identifier = token[0:3]
command = token[3:4]
if (identifier == b'PKT'):
data = self.__read(self.__read_int())
self.__queue_packet.put((command, data))
elif (identifier == b'CMP' or identifier == b'ERR'):
data = self.__read(self.__read_int())
success = identifier == b'CMP'
self.__queue_input.put((command, data, success))
else:
raise ConnectionException
except ConnectionException:
break
def __check_threads(self) -> None:
if (not (self.__thread_write.is_alive() and self.__thread_read.is_alive())):
raise ConnectionException('Serial link is closed')
def __queue_cmd(self, cmd: bytes, args: list[int]=[0, 0], data: bytes=b'') -> None:
if (len(cmd) != 1):
raise ValueError('Length of command is different than 1 byte')
if (len(args) != 2):
raise ValueError('Number of arguments is different than 2')
packet: bytes = b'CMD'
packet += cmd[0:1]
for arg in args:
packet += arg.to_bytes(4, byteorder='big')
packet += data
self.__queue_output.put(packet)
def __pop_response(self, cmd: bytes, timeout: float, raise_on_err: bool) -> bytes:
try:
(response_cmd, data, success) = self.__queue_input.get(timeout=timeout)
self.__queue_input.task_done()
if (cmd != response_cmd):
raise ConnectionException('CMD wrong command response')
if (raise_on_err and success == False):
raise ConnectionException('CMD response error')
return data
except queue.Empty:
raise ConnectionException('CMD response timeout')
def execute_cmd(self, cmd: bytes, args: list[int]=[0, 0], data: bytes=b'', response: bool=True, timeout: float=5.0, raise_on_err: bool=True) -> Optional[bytes]:
self.__check_threads()
self.__queue_cmd(cmd, args, data)
if (response):
return self.__pop_response(cmd, timeout, raise_on_err)
return None
def get_packet(self, timeout: float=0.1) -> Optional[tuple[bytes, bytes]]:
self.__check_threads()
try:
packet = self.__queue_packet.get(timeout=timeout)
self.__queue_packet.task_done()
return packet
except queue.Empty:
return None
class SC64:
class __Address(IntEnum):
MEMORY = 0x0000_0000
SDRAM = 0x0000_0000
FLASH = 0x0400_0000
BUFFER = 0x0500_0000
EEPROM = 0x0500_2000
END = 0x0500_297F
FIRMWARE = 0x0200_0000
DDIPL = 0x03BC_0000
SAVE = 0x03FE_0000
EXTENDED = 0x0400_0000
BOOTLOADER = 0x04E0_0000
SHADOW = 0x04FE_0000
class __Length(IntEnum):
MEMORY = 0x0500_2980
SDRAM = (64 * 1024 * 1024)
FLASH = (16 * 1024 * 1024)
BUFFER = (8 * 1024)
EEPROM = (2 * 1024)
DDIPL = (4 * 1024 * 1024)
SAVE = (128 * 1024)
EXTENDED = (14 * 1024 * 1024)
BOOTLOADER = (1920 * 1024)
SHADOW = (128 * 1024)
class __SaveLength(IntEnum):
NONE = 0
EEPROM_4K = 512
EEPROM_16K = (2 * 1024)
SRAM = (32 * 1024)
FLASHRAM = (128 * 1024)
SRAM_BANKED = (3 * 32 * 1024)
class __CfgId(IntEnum):
BOOTLOADER_SWITCH = 0
ROM_WRITE_ENABLE = 1
ROM_SHADOW_ENABLE = 2
DD_MODE = 3
ISV_ADDRESS = 4
BOOT_MODE = 5
SAVE_TYPE = 6
CIC_SEED = 7
TV_TYPE = 8
DD_SD_ENABLE = 9
DD_DRIVE_TYPE = 10
DD_DISK_STATE = 11
BUTTON_STATE = 12
BUTTON_MODE = 13
ROM_EXTENDED_ENABLE = 14
class __SettingId(IntEnum):
LED_ENABLE = 0
class __UpdateError(IntEnum):
OK = 0
TOKEN = 1
CHECKSUM = 2
SIZE = 3
UNKNOWN_CHUNK = 4
READ = 5
class __UpdateStatus(IntEnum):
MCU = 1
FPGA = 2
BOOTLOADER = 3
DONE = 0x80
ERROR = 0xFF
class __DDMode(IntEnum):
NONE = 0
REGS = 1
DDIPL = 2
FULL = 3
class __DDDriveType(IntEnum):
RETAIL = 0
DEVELOPMENT = 1
class __DDDiskState(IntEnum):
EJECTED = 0
INSERTED = 1
CHANGED = 2
class __ButtonMode(IntEnum):
NONE = 0
N64_IRQ = 1
USB_PACKET = 2
DD_DISK_SWAP = 3
class BootMode(IntEnum):
MENU = 0
ROM = 1
DDIPL = 2
DIRECT_ROM = 3
DIRECT_DDIPL = 4
class SaveType(IntEnum):
NONE = 0
EEPROM_4K = 1
EEPROM_16K = 2
SRAM = 3
FLASHRAM = 4
SRAM_BANKED = 5
class CICSeed(IntEnum):
DEFAULT = 0x3F
X103 = 0x78
X105 = 0x91
X106 = 0x85
ALECK = 0xAC
DD_JP = 0xDD
DD_US = 0xDE
AUTO = 0xFFFF
class TVType(IntEnum):
PAL = 0
NTSC = 1
MPAL = 2
AUTO = 3
class __DebugDatatype(IntEnum):
TEXT = 1
RAWBINARY = 2
HEADER = 3
SCREENSHOT = 4
GDB = 0xDB
__SUPPORTED_MAJOR_VERSION = 2
__SUPPORTED_MINOR_VERSION = 12
__isv_line_buffer: bytes = b''
__debug_header: Optional[bytes] = None
__gdb_client: Optional[socket.socket] = None
def __init__(self) -> None:
self.__link = SC64Serial()
identifier = self.__link.execute_cmd(cmd=b'v')
if (identifier != b'SCv2'):
raise ConnectionException('Unknown SC64 v2 identifier')
def __get_int(self, data: bytes) -> int:
return int.from_bytes(data[:4], byteorder='big')
def check_firmware_version(self) -> tuple[str, bool]:
try:
version = self.__link.execute_cmd(cmd=b'V')
major = self.__get_int(version[0:2])
minor = self.__get_int(version[2:4])
if (major != self.__SUPPORTED_MAJOR_VERSION):
raise ConnectionException()
if (minor < self.__SUPPORTED_MINOR_VERSION):
raise ConnectionException()
return (f'{major}.{minor}', minor > self.__SUPPORTED_MINOR_VERSION)
except ConnectionException:
raise ConnectionException(f'Unsupported SC64 version [{major}.{minor}], please update firmware')
def __set_config(self, config: __CfgId, value: int) -> None:
try:
self.__link.execute_cmd(cmd=b'C', args=[config, value])
except ConnectionException:
raise ValueError(f'Could not set config {config.name} to {value:08X}')
def __get_config(self, config: __CfgId) -> int:
try:
data = self.__link.execute_cmd(cmd=b'c', args=[config, 0])
except ConnectionException:
raise ValueError(f'Could not get config {config.name}')
return self.__get_int(data)
def __set_setting(self, setting: __SettingId, value: int) -> None:
try:
self.__link.execute_cmd(cmd=b'A', args=[setting, value])
except ConnectionException:
raise ValueError(f'Could not set setting {setting.name} to {value:08X}')
def __get_setting(self, setting: __SettingId) -> int:
try:
data = self.__link.execute_cmd(cmd=b'a', args=[setting, 0])
except ConnectionException:
raise ValueError(f'Could not get setting {setting.name}')
return self.__get_int(data)
def __write_memory(self, address: int, data: bytes) -> None:
if (len(data) > 0):
self.__link.execute_cmd(cmd=b'M', args=[address, len(data)], data=data, timeout=20.0)
def __read_memory(self, address: int, length: int) -> bytes:
if (length > 0):
return self.__link.execute_cmd(cmd=b'm', args=[address, length], timeout=20.0)
return bytes([])
def __dd_set_block_ready(self, error: int) -> None:
self.__link.execute_cmd(cmd=b'D', args=[error, 0])
def __flash_wait_busy(self) -> None:
self.__link.execute_cmd(cmd=b'p', args=[True, 0])
def __flash_get_erase_block_size(self) -> int:
data = self.__link.execute_cmd(cmd=b'p', args=[False, 0])
return self.__get_int(data[0:4])
def __flash_erase_block(self, address: int) -> None:
self.__link.execute_cmd(cmd=b'P', args=[address, 0])
def __erase_flash_region(self, address: int, length: int) -> None:
if (address < self.__Address.FLASH):
raise ValueError('Flash erase address or length outside of possible range')
if ((address + length) > (self.__Address.FLASH + self.__Length.FLASH)):
raise ValueError('Flash erase address or length outside of possible range')
erase_block_size = self.__flash_get_erase_block_size()
if (address % erase_block_size != 0):
raise ValueError('Flash erase address not aligned to block size')
for offset in range(address, address + length, erase_block_size):
self.__flash_erase_block(offset)
def __program_flash(self, address: int, data: bytes):
program_chunk_size = (128 * 1024)
if (self.__read_memory(address, len(data)) != data):
self.__erase_flash_region(address, len(data))
for offset in range(0, len(data), program_chunk_size):
self.__write_memory(address + offset, data[offset:offset + program_chunk_size])
self.__flash_wait_busy()
if (self.__read_memory(address, len(data)) != data):
raise ConnectionException('Flash memory program failure')
def autodetect_save_type(self, data: bytes) -> Optional[SaveType]:
if (len(data) < 0x40):
return None
if (data[0x3C:0x3E] != b'ED'):
return None
save = (data[0x3F] >> 4) & 0x0F
if (save < 0 or save > 6):
return None
save_type_mapping = [
self.SaveType.NONE,
self.SaveType.EEPROM_4K,
self.SaveType.EEPROM_16K,
self.SaveType.SRAM,
self.SaveType.SRAM_BANKED,
self.SaveType.FLASHRAM,
self.SaveType.SRAM,
]
return save_type_mapping[save]
def reset_state(self) -> None:
self.__link.execute_cmd(cmd=b'R')
def get_state(self):
return {
'bootloader_switch': bool(self.__get_config(self.__CfgId.BOOTLOADER_SWITCH)),
'rom_write_enable': bool(self.__get_config(self.__CfgId.ROM_WRITE_ENABLE)),
'rom_shadow_enable': bool(self.__get_config(self.__CfgId.ROM_SHADOW_ENABLE)),
'dd_mode': self.__DDMode(self.__get_config(self.__CfgId.DD_MODE)),
'isv_address': self.__get_config(self.__CfgId.ISV_ADDRESS),
'boot_mode': self.BootMode(self.__get_config(self.__CfgId.BOOT_MODE)),
'save_type': self.SaveType(self.__get_config(self.__CfgId.SAVE_TYPE)),
'cic_seed': self.CICSeed(self.__get_config(self.__CfgId.CIC_SEED)),
'tv_type': self.TVType(self.__get_config(self.__CfgId.TV_TYPE)),
'dd_sd_enable': bool(self.__get_config(self.__CfgId.DD_SD_ENABLE)),
'dd_drive_type': self.__DDDriveType(self.__get_config(self.__CfgId.DD_DRIVE_TYPE)),
'dd_disk_state': self.__DDDiskState(self.__get_config(self.__CfgId.DD_DISK_STATE)),
'button_state': bool(self.__get_config(self.__CfgId.BUTTON_STATE)),
'button_mode': self.__ButtonMode(self.__get_config(self.__CfgId.BUTTON_MODE)),
'rom_extended_enable': bool(self.__get_config(self.__CfgId.ROM_EXTENDED_ENABLE)),
'led_enable': bool(self.__get_setting(self.__SettingId.LED_ENABLE)),
}
def debug_send(self, datatype: __DebugDatatype, data: bytes) -> None:
if (len(data) > (8 * 1024 * 1024)):
raise ValueError('Debug data size too big')
self.__link.execute_cmd(cmd=b'U', args=[datatype, len(data)], data=data, response=False)
def download_memory(self, address: int, length: int) -> bytes:
if ((address < 0) or (length < 0) or ((address + length) > self.__Address.END)):
raise ValueError('Invalid address or length')
return self.__read_memory(address, length)
def upload_rom(self, data: bytes, use_shadow: bool=True) -> None:
rom_length = len(data)
if (rom_length > (self.__Length.SDRAM + self.__Length.EXTENDED)):
raise ValueError('ROM size too big')
sdram_length = self.__Length.SDRAM
shadow_enabled = use_shadow and rom_length > (self.__Length.SDRAM - self.__Length.SHADOW)
extended_enabled = rom_length > self.__Length.SDRAM
if (shadow_enabled):
sdram_length = (self.__Length.SDRAM - self.__Length.SHADOW)
shadow_data = data[sdram_length:sdram_length + self.__Length.SHADOW]
self.__program_flash(self.__Address.SHADOW, shadow_data)
self.__set_config(self.__CfgId.ROM_SHADOW_ENABLE, shadow_enabled)
if (extended_enabled):
extended_data = data[self.__Length.SDRAM:]
self.__program_flash(self.__Address.EXTENDED, extended_data)
self.__set_config(self.__CfgId.ROM_EXTENDED_ENABLE, extended_enabled)
self.__write_memory(self.__Address.SDRAM, data[:sdram_length])
def upload_ddipl(self, data: bytes) -> None:
if (len(data) > self.__Length.DDIPL):
raise ValueError('DDIPL size too big')
self.__write_memory(self.__Address.DDIPL, data)
def upload_save(self, data: bytes) -> None:
save_type = self.SaveType(self.__get_config(self.__CfgId.SAVE_TYPE))
if (save_type == self.SaveType.NONE):
raise ValueError('No save type set inside SC64 device')
if (len(data) != self.__SaveLength[save_type.name]):
raise ValueError('Wrong save data length')
address = self.__Address.SAVE
if (save_type == self.SaveType.EEPROM_4K or save_type == self.SaveType.EEPROM_16K):
address = self.__Address.EEPROM
self.__write_memory(address, data)
def download_save(self) -> bytes:
save_type = self.SaveType(self.__get_config(self.__CfgId.SAVE_TYPE))
if (save_type == self.SaveType.NONE):
raise ValueError('No save type set inside SC64 device')
address = self.__Address.SAVE
length = self.__SaveLength[save_type.name]
if (save_type == self.SaveType.EEPROM_4K or save_type == self.SaveType.EEPROM_16K):
address = self.__Address.EEPROM
return self.__read_memory(address, length)
def upload_bootloader(self, data: bytes) -> None:
if (len(data) > self.__Length.BOOTLOADER):
raise ValueError('Bootloader size too big')
padded_data = data + (b'\xFF' * (self.__Length.BOOTLOADER - len(data)))
if (self.__read_memory(self.__Address.BOOTLOADER, self.__Length.BOOTLOADER) != padded_data):
self.__erase_flash_region(self.__Address.BOOTLOADER, self.__Length.BOOTLOADER)
self.__write_memory(self.__Address.BOOTLOADER, data)
self.__flash_wait_busy()
if (self.__read_memory(self.__Address.BOOTLOADER, self.__Length.BOOTLOADER) != padded_data):
raise ConnectionException('Bootloader program failure')
def set_rtc(self, t: datetime) -> None:
to_bcd = lambda v: ((int((v / 10) % 10) << 4) | int(int(v) % 10))
data = bytes([
to_bcd(t.weekday() + 1),
to_bcd(t.hour),
to_bcd(t.minute),
to_bcd(t.second),
0,
to_bcd(t.year),
to_bcd(t.month),
to_bcd(t.day),
])
self.__link.execute_cmd(cmd=b'T', args=[self.__get_int(data[0:4]), self.__get_int(data[4:8])])
def set_boot_mode(self, mode: BootMode) -> None:
self.__set_config(self.__CfgId.BOOT_MODE, mode)
def set_cic_seed(self, seed: int) -> None:
if (seed != self.CICSeed.AUTO):
if (seed < 0 or seed > 0xFF):
raise ValueError('CIC seed outside of allowed values')
self.__set_config(self.__CfgId.CIC_SEED, seed)
def set_tv_type(self, type: TVType) -> None:
self.__set_config(self.__CfgId.TV_TYPE, type)
def set_save_type(self, type: SaveType) -> None:
self.__set_config(self.__CfgId.SAVE_TYPE, type)
def set_led_enable(self, enabled: bool) -> None:
self.__set_setting(self.__SettingId.LED_ENABLE, enabled)
def update_firmware(self, data: bytes, status_callback: Optional[Callable[[str], None]]=None) -> None:
address = self.__Address.FIRMWARE
self.__write_memory(address, data)
response = self.__link.execute_cmd(cmd=b'F', args=[address, len(data)], raise_on_err=False)
error = self.__UpdateError(self.__get_int(response[0:4]))
if (error != self.__UpdateError.OK):
raise ConnectionException(f'Bad update image [{error.name}]')
status = None
while status != self.__UpdateStatus.DONE:
packet = self.__link.get_packet(timeout=60.0)
if (packet == None):
raise ConnectionException('Update timeout')
(cmd, data) = packet
if (cmd != b'F'):
raise ConnectionException('Wrong update status packet')
status = self.__UpdateStatus(self.__get_int(data))
if (status_callback):
status_callback(status.name)
if (status == self.__UpdateStatus.ERROR):
raise ConnectionException('Update error, device is most likely bricked')
time.sleep(2)
def backup_firmware(self) -> bytes:
address = self.__Address.FIRMWARE
info = self.__link.execute_cmd(cmd=b'f', args=[address, 0], timeout=60.0, raise_on_err=False)
error = self.__UpdateError(self.__get_int(info[0:4]))
length = self.__get_int(info[4:8])
if (error != self.__UpdateError.OK):
raise ConnectionException('Error while getting firmware backup')
return self.__read_memory(address, length)
def update_cic_parameters(self, seed: Optional[int]=None, disabled=False) -> tuple[int, int, bool]:
if ((seed != None) and (seed < 0 or seed > 0xFF)):
raise ValueError('CIC seed outside of allowed values')
boot_mode = self.__get_config(self.__CfgId.BOOT_MODE)
address = self.__Address.BOOTLOADER
if (boot_mode == self.BootMode.DIRECT_ROM):
address = self.__Address.SDRAM
elif (boot_mode == self.BootMode.DIRECT_DDIPL):
address = self.__Address.DDIPL
ipl3 = self.__read_memory(address, 4096)[0x40:0x1000]
seed = seed if (seed != None) else self.__guess_ipl3_seed(ipl3)
checksum = self.__calculate_ipl3_checksum(ipl3, seed)
data = [(1 << 0) if disabled else 0, seed, *checksum.to_bytes(6, byteorder='big')]
self.__link.execute_cmd(cmd=b'B', args=[self.__get_int(data[0:4]), self.__get_int(data[4:8])])
return (seed, checksum, boot_mode == self.BootMode.DIRECT_DDIPL)
def __guess_ipl3_seed(self, ipl3: bytes) -> int:
checksum = crc32(ipl3)
seed_mapping = {
0x587BD543: 0xAC, # 5101
0x6170A4A1: 0x3F, # 6101
0x009E9EA3: 0x3F, # 7102
0x90BB6CB5: 0x3F, # 6102/7101
0x0B050EE0: 0x78, # x103
0x98BC2C86: 0x91, # x105
0xACC8580A: 0x85, # x106
0x0E018159: 0xDD, # 5167
0x10C68B18: 0xDD, # NDXJ0
0xBC605D0A: 0xDD, # NDDJ0
0x502C4466: 0xDD, # NDDJ1
0x0C965795: 0xDD, # NDDJ2
0x8FEBA21E: 0xDE, # NDDE0
}
return seed_mapping[checksum] if checksum in seed_mapping else 0x3F
def __calculate_ipl3_checksum(self, ipl3: bytes, seed: int) -> int:
_CHECKSUM_MAGIC = 0x6C078965
_add = lambda a1, a2: ((a1 + a2) & 0xFFFFFFFF)
_sub = lambda a1, a2: ((a1 - a2) & 0xFFFFFFFF)
_mul = lambda a1, a2: ((a1 * a2) & 0xFFFFFFFF)
_xor = lambda a1, a2: ((a1 ^ a2) & 0xFFFFFFFF)
_lsh = lambda a, s: (((a & 0xFFFFFFFF) << s) & 0xFFFFFFFF)
_rsh = lambda a, s: (((a & 0xFFFFFFFF) >> s) & 0xFFFFFFFF)
def _get(offset: int) -> int:
offset *= 4
return int.from_bytes(ipl3[offset:(offset + 4)], byteorder='big')
def _checksum(a0: int, a1: int, a2: int) -> int:
prod = (a0 * (a2 if (a1 == 0) else a1))
hi = ((prod >> 32) & 0xFFFFFFFF)
lo = (prod & 0xFFFFFFFF)
diff = ((hi - lo) & 0xFFFFFFFF)
return ((a0 if (diff == 0) else diff) & 0xFFFFFFFF)
if (seed < 0x00 or seed > 0xFF):
raise ValueError('Invalid seed')
buffer = [_xor(_add(_mul(_CHECKSUM_MAGIC, seed), 1), _get(0))] * 16
for i in range(1, 1009):
data_prev = data_curr if (i > 1) else _get(0)
data_curr = _get(i - 1)
data_next = _get(i)
buffer[0] = _add(buffer[0], _checksum(_sub(1007, i), data_curr, i))
buffer[1] = _checksum(buffer[1], data_curr, i)
buffer[2] = _xor(buffer[2], data_curr)
buffer[3] = _add(buffer[3], _checksum(_add(data_curr, 5), _CHECKSUM_MAGIC, i))
shift = (data_prev & 0x1F)
data_left = _lsh(data_curr, (32 - shift))
data_right = _rsh(data_curr, shift)
b4_shifted = (data_left | data_right)
buffer[4] = _add(buffer[4], b4_shifted)
shift = _rsh(data_prev, 27)
data_left = _lsh(data_curr, shift)
data_right = _rsh(data_curr, (32 - shift))
b5_shifted = (data_left | data_right)
buffer[5] = _add(buffer[5], b5_shifted)
if (data_curr < buffer[6]):
buffer[6] = _xor(_add(buffer[3], buffer[6]), _add(data_curr, i))
else:
buffer[6] = _xor(_add(buffer[4], data_curr), buffer[6])
shift = (data_prev & 0x1F)
data_left = _lsh(data_curr, shift)
data_right = _rsh(data_curr, (32 - shift))
buffer[7] = _checksum(buffer[7], (data_left | data_right), i)
shift = _rsh(data_prev, 27)
data_left = _lsh(data_curr, (32 - shift))
data_right = _rsh(data_curr, shift)
buffer[8] = _checksum(buffer[8], (data_left | data_right), i)
if (data_prev < data_curr):
buffer[9] = _checksum(buffer[9], data_curr, i)
else:
buffer[9] = _add(buffer[9], data_curr)
if (i == 1008):
break
buffer[10] = _checksum(_add(buffer[10], data_curr), data_next, i)
buffer[11] = _checksum(_xor(buffer[11], data_curr), data_next, i)
buffer[12] = _add(buffer[12], _xor(buffer[8], data_curr))
shift = (data_curr & 0x1F)
data_left = _lsh(data_curr, (32 - shift))
data_right = _rsh(data_curr, shift)
tmp = (data_left | data_right)
shift = (data_next & 0x1F)
data_left = _lsh(data_next, (32 - shift))
data_right = _rsh(data_next, shift)
buffer[13] = _add(buffer[13], _add(tmp, (data_left | data_right)))
shift = (data_curr & 0x1F)
data_left = _lsh(data_next, (32 - shift))
data_right = _rsh(data_next, shift)
sum = _checksum(buffer[14], b4_shifted, i)
buffer[14] = _checksum(sum, (data_left | data_right), i)
shift = _rsh(data_curr, 27)
data_left = _lsh(data_next, shift)
data_right = _rsh(data_next, (32 - shift))
sum = _checksum(buffer[15], b5_shifted, i)
buffer[15] = _checksum(sum, (data_left | data_right), i)
final_buffer = [buffer[0]] * 4
for i in range(16):
data = buffer[i]
shift = (data & 0x1F)
data_left = _lsh(data, (32 - shift))
data_right = _rsh(data, shift)
b0_shifted = _add(final_buffer[0], (data_left | data_right))
final_buffer[0] = b0_shifted
if (data < b0_shifted):
final_buffer[1] = _add(final_buffer[1], data)
else:
final_buffer[1] = _checksum(final_buffer[1], data, i)
if (_rsh((data & 0x02), 1) == (data & 0x01)):
final_buffer[2] = _add(final_buffer[2], data)
else:
final_buffer[2] = _checksum(final_buffer[2], data, i)
if (data & 0x01):
final_buffer[3] = _xor(final_buffer[3], data)
else:
final_buffer[3] = _checksum(final_buffer[3], data, i)
sum = _checksum(final_buffer[0], final_buffer[1], 16)
xor = _xor(final_buffer[3], final_buffer[2])
return ((sum << 32) | xor) & 0xFFFF_FFFFFFFF
def __generate_filename(self, prefix: str, extension: str) -> str:
return f'{prefix}-{datetime.now().strftime("%y%m%d%H%M%S.%f")}.{extension}'
def __handle_dd_packet(self, dd: Optional[DD64Image], data: bytes) -> None:
CMD_READ_BLOCK = 1
CMD_WRITE_BLOCK = 2
cmd = self.__get_int(data[0:])
address = self.__get_int(data[4:])
track_head_block = self.__get_int(data[8:])
track = (track_head_block >> 2) & 0xFFF
head = (track_head_block >> 1) & 0x1
block = track_head_block & 0x1
try:
if (not dd or not dd.loaded):
raise BadBlockError
if (cmd == CMD_READ_BLOCK):
block_data = dd.read_block(track, head, block)
self.__write_memory(address, block_data)
self.__dd_set_block_ready(0)
elif (cmd == CMD_WRITE_BLOCK):
block_data = data[12:]
dd.write_block(track, head, block, block_data)
self.__dd_set_block_ready(0)
else:
self.__dd_set_block_ready(1)
except BadBlockError:
self.__dd_set_block_ready(1)
def __handle_isv_packet(self, data: bytes) -> None:
self.__isv_line_buffer += data
while (b'\n' in self.__isv_line_buffer):
(line, self.__isv_line_buffer) = self.__isv_line_buffer.split(b'\n', 1)
print(line.decode('EUC-JP', errors='backslashreplace'))
def __handle_usb_packet(self, data: bytes) -> None:
header = self.__get_int(data[0:4])
datatype = self.__DebugDatatype((header >> 24) & 0xFF)
length = (header & 0xFFFFFF)
packet = data[4:]
if (len(packet) != length):
print(f'Debug packet length and data length did not match')
elif (datatype == self.__DebugDatatype.TEXT):
print(packet.decode('UTF-8', errors='backslashreplace'), end='')
elif (datatype == self.__DebugDatatype.RAWBINARY):
filename = self.__generate_filename('binaryout', 'bin')
with open(filename, 'wb') as f:
f.write(packet)
print(f'Wrote {len(packet)} bytes to {filename}')
elif (datatype == self.__DebugDatatype.HEADER):
if (len(packet) == 16):
self.__debug_header = packet
else:
print(f'Size of header packet is invalid: {len(packet)}')
elif (datatype == self.__DebugDatatype.SCREENSHOT):
filename = self.__generate_filename('screenshot', 'png')
if (self.__debug_header != None):
header_datatype = self.__get_int(self.__debug_header[0:4])
pixel_format = self.__get_int(self.__debug_header[4:8])
image_w = self.__get_int(self.__debug_header[8:12])
image_h = self.__get_int(self.__debug_header[12:16])
if (header_datatype == 0x04 and pixel_format != 0 and image_w != 0 and image_h != 0):
mode = 'RGBA' if pixel_format == 4 else 'I;16'
screenshot = Image.frombytes(mode, (image_w, image_h), packet)
screenshot.save(filename)
print(f'Wrote {image_w}x{image_h} pixels to {filename}')
else:
print('Screenshot header data is invalid')
else:
print('Got screenshot packet without header data')
elif (datatype == self.__DebugDatatype.GDB):
self.__handle_gdb_datatype(packet)
def __handle_gdb_socket(self, gdb_port: int) -> None:
MAX_PACKET_SIZE = 65536
gdb_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
gdb_socket.bind(('localhost', gdb_port))
gdb_socket.listen()
while (True):
(self.__gdb_client, address) = gdb_socket.accept()
client_address = f'{address[0]}:{address[1]}'
print(f'[GDB]: New connection ({client_address})')
try:
connected = True
while (connected):
data = self.__gdb_client.recv(MAX_PACKET_SIZE)
if (data):
self.debug_send(self.__DebugDatatype.GDB, data)
else:
connected = False
except:
pass
finally:
self.__gdb_client.close()
print(f'[GDB]: Connection closed ({client_address})')
def __handle_gdb_datatype(self, data: bytes) -> None:
if (self.__gdb_client):
try:
self.__gdb_client.sendall(data)
except:
pass
def __handle_debug_input(self) -> None:
running = True
while (running):
try:
command = input()
if (len(command) > 0):
data = b''
datatype = self.__DebugDatatype.TEXT
if (command.count('@') != 2):
data += f'{command}\0'.encode()
else:
start = command.index('@')
end = command.rindex('@')
filename = command[(start + 1):end]
if (len(filename) == 0):
raise FileNotFoundError
with open(filename, 'rb') as f:
file_data = f.read()
if (command.startswith('@') and command.endswith('@')):
datatype = self.__DebugDatatype.RAWBINARY
data += file_data
else:
data += f'{command[:start]}@{len(file_data)}@'.encode()
data += file_data
data += b'\0'
self.debug_send(datatype, data)
except ValueError as e:
print(f'Error: {e}')
except FileNotFoundError as e:
print(f'Error: Cannot open file {e.filename}')
except EOFError:
running = False
def debug_loop(self, isv: int=0, disks: Optional[list[str]]=None, gdb_port: Optional[int]=None) -> None:
dd = None
current_image = 0
next_image = 0
self.__set_config(self.__CfgId.ROM_WRITE_ENABLE, 1 if (isv != 0) else 0)
self.__set_config(self.__CfgId.ISV_ADDRESS, isv)
if (isv != 0):
print(f'IS-Viewer64 support set to [ENABLED] at ROM offset [0x{(isv):08X}]')
if (self.__get_config(self.__CfgId.ROM_SHADOW_ENABLE)):
print('ROM shadow enabled - IS-Viewer64 will NOT work (use --no-shadow option while uploading ROM to disable it)')
if (disks):
dd = DD64Image()
drive_type = None
for path in disks:
try:
dd.load(path)
if (drive_type == None):
drive_type = dd.get_drive_type()
elif (drive_type != dd.get_drive_type()):
raise ValueError('Disk drive type mismatch')
dd.unload()
except ValueError as e:
dd = None
print(f'64DD disabled, incorrect disk images provided: {e}')
break
if (dd):
self.__set_config(self.__CfgId.DD_MODE, self.__DDMode.FULL)
self.__set_config(self.__CfgId.DD_SD_ENABLE, False)
self.__set_config(self.__CfgId.DD_DRIVE_TYPE, {
'retail': self.__DDDriveType.RETAIL,
'development': self.__DDDriveType.DEVELOPMENT
}[drive_type])
self.__set_config(self.__CfgId.DD_DISK_STATE, self.__DDDiskState.EJECTED)
self.__set_config(self.__CfgId.BUTTON_MODE, self.__ButtonMode.USB_PACKET)
print('64DD enabled, loaded disks:')
for disk in disks:
print(f' - {os.path.basename(disk)}')
print('Press button on SC64 device to cycle through provided disks')
if (gdb_port):
gdb_thread = Thread(target=lambda: self.__handle_gdb_socket(gdb_port), daemon=True)
gdb_thread.start()
print(f'GDB server started and listening on port [{gdb_port}]')
print('\nDebug loop started, press Ctrl-C to exit\n')
try:
thread_input = Thread(target=self.__handle_debug_input, daemon=True)
thread_input.start()
while (thread_input.is_alive()):
packet = self.__link.get_packet()
if (packet != None):
(cmd, data) = packet
if (cmd == b'D'):
self.__handle_dd_packet(dd, data)
if (cmd == b'I'):
self.__handle_isv_packet(data)
if (cmd == b'U'):
self.__handle_usb_packet(data)
if (cmd == b'B'):
if (not dd.loaded):
dd.load(disks[next_image])
self.__set_config(self.__CfgId.DD_DISK_STATE, self.__DDDiskState.INSERTED)
current_image = next_image
next_image += 1
if (next_image >= len(disks)):
next_image = 0
print(f'64DD disk inserted - {os.path.basename(disks[current_image])}')
else:
self.__set_config(self.__CfgId.DD_DISK_STATE, self.__DDDiskState.EJECTED)
dd.unload()
print(f'64DD disk ejected - {os.path.basename(disks[current_image])}')
except KeyboardInterrupt:
pass
finally:
print('\nDebug loop stopped\n')
if (dd and dd.loaded):
self.__set_config(self.__CfgId.DD_DISK_STATE, self.__DDDiskState.EJECTED)
if (isv != 0):
self.__set_config(self.__CfgId.ISV_ADDRESS, 0)
class EnumAction(argparse.Action):
def __init__(self, **kwargs):
type = kwargs.pop('type', None)
if type is None:
raise ValueError('No type was provided')
if not issubclass(type, Enum):
raise TypeError('Provided type is not an Enum subclass')
items = (choice.lower().replace('_', '-') for (choice, _) in type.__members__.items())
kwargs.setdefault('choices', tuple(items))
super(EnumAction, self).__init__(**kwargs)
self.__enum = type
def __call__(self, parser, namespace, values, option_string):
key = str(values).upper().replace('-', '_')
value = self.__enum[key]
setattr(namespace, self.dest, value)
if __name__ == '__main__':
def cic_params_type(argument: str):
params = argument.split(',')
if (len(params) > 2):
raise argparse.ArgumentError()
seed = int(params[0], 0) if len(params) >= 1 else None
disabled = bool(int(params[1])) if len(params) >= 2 else None
return (seed, disabled)
def download_memory_type(argument: str):
params = argument.split(',')
if (len(params) < 2 or len(params) > 3):
raise argparse.ArgumentError()
address = int(params[0], 0)
length = int(params[1], 0)
file = params[2] if len(params) >= 3 else 'sc64dump.bin'
return (address, length, file)
parser = argparse.ArgumentParser(description='SC64 control software')
parser.add_argument('--backup-firmware', metavar='file', help='backup SC64 firmware and write it to specified file')
parser.add_argument('--update-firmware', metavar='file', help='update SC64 firmware from specified file')
parser.add_argument('--reset-state', action='store_true', help='reset SC64 internal state')
parser.add_argument('--print-state', action='store_true', help='print SC64 internal state')
parser.add_argument('--led-blink', metavar='{yes,no}', help='disable or enable LED I/O activity blinking')
parser.add_argument('--boot', type=SC64.BootMode, action=EnumAction, help='set boot mode')
parser.add_argument('--tv', type=SC64.TVType, action=EnumAction, help='force TV type to set value, not used when direct boot mode is enabled')
parser.add_argument('--cic', type=SC64.CICSeed, action=EnumAction, help='force CIC seed to set value, not used when direct boot mode is enabled')
parser.add_argument('--cic-params', metavar='seed,[disabled]', type=cic_params_type, help='set CIC emulation parameters')
parser.add_argument('--rtc', action='store_true', help='update clock in SC64 to system time')
parser.add_argument('--no-shadow', action='store_false', help='do not put last 128 kB of ROM inside flash memory (can corrupt non EEPROM saves)')
parser.add_argument('--rom', metavar='file', help='upload ROM from specified file')
parser.add_argument('--save-type', type=SC64.SaveType, action=EnumAction, help='set save type')
parser.add_argument('--save', metavar='file', help='upload save from specified file')
parser.add_argument('--backup-save', metavar='file', help='download save and write it to specified file')
parser.add_argument('--ddipl', metavar='file', help='upload 64DD IPL from specified file')
parser.add_argument('--disk', metavar='file', action='append', help='path to 64DD disk (.ndd format), can be specified multiple times')
parser.add_argument('--isv', type=lambda x: int(x, 0), default=0, help='enable IS-Viewer64 support at provided ROM offset')
parser.add_argument('--gdb', metavar='port', type=int, help='expose socket port for GDB debugging')
parser.add_argument('--debug', action='store_true', help='run debug loop')
parser.add_argument('--download-memory', metavar='address,length,[file]', type=download_memory_type, help='download specified memory region and write it to file')
if (len(sys.argv) <= 1):
parser.print_help()
parser.exit()
args = parser.parse_args()
try:
sc64 = SC64()
autodetected_save_type = None
if (args.backup_firmware):
with open(args.backup_firmware, 'wb') as f:
print('Generating backup, this might take a while... ', end='', flush=True)
f.write(sc64.backup_firmware())
print('done')
if (args.update_firmware):
with open(args.update_firmware, 'rb') as f:
print('Updating firmware, this might take a while... ', end='', flush=True)
status_callback = lambda status: print(f'{status} ', end='', flush=True)
sc64.update_firmware(f.read(), status_callback)
print('done')
(version, script_outdated) = sc64.check_firmware_version()
print(f'SC64 firmware version: [{version}]')
if (script_outdated):
print('\x1b[33m')
print('[ SC64 firmware is newer than last known version ]')
print('[ Consider downloading latest sc64 executable from ]')
print('[ https://github.com/Polprzewodnikowy/SummerCart64/releases ]')
print('\x1b[0m')
if (args.reset_state):
sc64.reset_state()
print('SC64 internal state reset')
if (args.print_state):
state = sc64.get_state()
print('Current SC64 internal state:')
for key, value in state.items():
if (hasattr(value, 'name')):
value = getattr(value, 'name')
print(f' {key}: {value}')
if (args.led_blink):
blink = (args.led_blink == 'yes')
sc64.set_led_enable(blink)
print(f'LED blinking set to [{"ENABLED" if blink else "DISABLED"}]')
if (args.tv != None):
sc64.set_tv_type(args.tv)
print(f'TV type set to [{args.tv.name}]')
if (args.cic != None):
sc64.set_cic_seed(args.cic)
print(f'CIC seed set to [0x{args.cic:X}]')
if (args.rtc):
value = datetime.now()
sc64.set_rtc(value)
print(f'RTC set to [{value.strftime("%Y-%m-%d %H:%M:%S")}]')
if (args.rom):
with open(args.rom, 'rb') as f:
print('Uploading ROM... ', end='', flush=True)
rom_data = f.read()
sc64.upload_rom(rom_data, use_shadow=args.no_shadow)
autodetected_save_type = sc64.autodetect_save_type(rom_data)
print('done')
if (args.ddipl):
with open(args.ddipl, 'rb') as f:
print('Uploading 64DD IPL... ', end='', flush=True)
sc64.upload_ddipl(f.read())
print('done')
if (args.save_type != None or autodetected_save_type != None):
save_type = args.save_type if args.save_type != None else autodetected_save_type
sc64.set_save_type(save_type)
print(f'Save type set to [{save_type.name}]{" (autodetected)" if autodetected_save_type != None else ""}')
if (args.save):
with open(args.save, 'rb') as f:
print('Uploading save... ', end='', flush=True)
sc64.upload_save(f.read())
print('done')
if (args.boot != None):
sc64.set_boot_mode(args.boot)
print(f'Boot mode set to [{args.boot.name}]')
if (args.cic_params != None):
(seed, disabled) = args.cic_params
(seed, checksum, dd_mode) = sc64.update_cic_parameters(seed, disabled)
print('CIC parameters set to [', end='')
print(f'{"DISABLED" if disabled else "ENABLED"}, ', end='')
print(f'{"DDIPL" if dd_mode else "ROM"}, ', end='')
print(f'seed: 0x{seed:02X}, checksum: 0x{checksum:012X}', end='')
print(']')
else:
sc64.update_cic_parameters()
if (args.debug or args.isv or args.disk or args.gdb):
sc64.debug_loop(isv=args.isv, disks=args.disk, gdb_port=args.gdb)
if (args.backup_save):
with open(args.backup_save, 'wb') as f:
print('Downloading save... ', end='', flush=True)
f.write(sc64.download_save())
print('done')
if (args.download_memory != None):
(address, length, file) = args.download_memory
with open(file, 'wb') as f:
print('Downloading memory... ', end='', flush=True)
f.write(sc64.download_memory(address, length))
print('done')
except ValueError as e:
print(f'\n\x1b[31mValue error: {e}\x1b[0m\n')
except ConnectionException as e:
print(f'\n\x1b[31mSC64 error: {e}\x1b[0m\n')
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