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SummerCart64/sw/pc/sc64.py
Polprzewodnikowy a22f2efa87 ISV in hardware finally
2022-01-22 23:19:07 +01:00

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#!/usr/bin/env python3
from ft232 import Ft232, Ft232Exception
from io import TextIOWrapper
import argparse
import filecmp
import os
import progressbar
import re
import struct
import sys
import time
class SC64Exception(Exception):
pass
class SC64:
__CFG_ID_DD_ENABLE = 3
__CFG_ID_SAVE_TYPE = 4
__CFG_ID_CIC_SEED = 5
__CFG_ID_TV_TYPE = 6
__CFG_ID_SAVE_OFFEST = 7
__CFG_ID_DDIPL_OFFEST = 8
__CFG_ID_BOOT_MODE = 9
__CFG_ID_FLASH_SIZE = 10
__CFG_ID_FLASH_READ = 11
__CFG_ID_FLASH_PROGRAM = 12
__CFG_ID_RECONFIGURE = 13
__CFG_ID_DD_DRIVE_ID = 14
__CFG_ID_DD_DISK_STATE = 15
__CFG_ID_DD_THB_TABLE_OFFSET = 16
__CFG_ID_IS_VIEWER_ENABLE = 17
__SC64_VERSION_V2 = 0x53437632
__UPDATE_OFFSET = 0x03B00000
__CHUNK_SIZE = 256 * 1024
__MIN_ROM_LENGTH = 0x101000
__DDIPL_ROM_LENGTH = 0x400000
__DEBUG_ID_TEXT = 0x01
__EVENT_ID_FSD_READ = 0xF0
__EVENT_ID_FSD_WRITE = 0xF1
__EVENT_ID_FSD_LOAD = 0xF2
__EVENT_ID_FSD_STORE = 0xF3
__EVENT_ID_DD_BLOCK = 0xF4
__EVENT_ID_IS_VIEWER = 0xF5
__DD_DRIVE_ID_RETAIL = 3
__DD_DRIVE_ID_DEVELOPMENT = 4
__DD_DISK_STATE_EJECTED = 0
__DD_DISK_STATE_INSERTED = 1
__DD_DISK_STATE_CHANGED = 2
def __init__(self) -> None:
self.__usb = None
self.__progress_init = None
self.__progress_value = None
self.__progress_finish = None
self.__fsd_file = None
self.__disk_file = None
self.__disk_lba_table = []
self.__dd_turbo = False
self.__isv_line_buffer = bytearray()
self.__find_sc64()
def __del__(self) -> None:
if (self.__usb):
self.__usb.close()
if (self.__fsd_file):
self.__fsd_file.close()
def __set_progress_init(self, value: int, label: str) -> None:
if (self.__progress_init != None):
self.__progress_init(value, label)
def __set_progress_value(self, value: int) -> None:
if (self.__progress_value != None):
self.__progress_value(value)
def __set_progress_finish(self) -> None:
if (self.__progress_finish != None):
self.__progress_finish()
def __align(self, value: int, align: int) -> int:
return (value + (align - 1)) & ~(align - 1)
def __escape(self, data: bytes) -> bytes:
return re.sub(b"\x1B", b"\x1B\x1B", data)
def reset_link(self) -> None:
self.__usb.write(b"\x1BR")
time.sleep(0.1)
self.__usb.flushInput()
def __read(self, bytes: int) -> bytes:
return self.__usb.read(bytes)
def __write(self, data: bytes) -> None:
self.__usb.write(self.__escape(data))
def __read_long(self, length: int) -> bytes:
data = bytearray()
while (len(data) < length):
data += self.__read(length - len(data))
return bytes(data)
def __write_dummy(self, length: int) -> None:
self.__write(bytes(length))
def __read_int(self) -> int:
return int.from_bytes(self.__read(4), byteorder="big")
def __write_int(self, value: int) -> None:
self.__write(value.to_bytes(4, byteorder="big"))
def __read_cmd_status(self, cmd: str) -> None:
if (self.__read(4) != f"CMP{cmd[0]}".encode(encoding="ascii")):
raise SC64Exception("Wrong command response")
def __write_cmd(self, cmd: str, arg1: int, arg2: int) -> None:
self.__write(f"CMD{cmd[0]}".encode())
self.__write_int(arg1)
self.__write_int(arg2)
def reset_n64(self) -> None:
self.__usb.cbus_setup(mask=1, init=0)
time.sleep(0.1)
self.__usb.cbus_setup(mask=0)
def __find_sc64(self) -> None:
if (self.__usb != None and not self.__usb.closed):
self.__usb.close()
try:
self.__usb = Ft232(description="SummerCart64")
self.__usb.flushOutput()
self.reset_link()
self.__probe_device()
except Ft232Exception as e:
if (self.__usb):
self.__usb.close()
raise SC64Exception(f"No SummerCart64 device was found: {e}")
def __probe_device(self) -> None:
self.__write_cmd("V", 0, 0)
version = self.__read_int()
self.__read_cmd_status("V")
if (version != self.__SC64_VERSION_V2):
raise SC64Exception(f"Unknown hardware version: {hex(version)}")
def __query_config(self, id: int) -> int:
self.__write_cmd("Q", id, 0)
value = self.__read_int()
self.__read_cmd_status("Q")
return value
def __change_config(self, id: int, arg: int = 0, ignore_response: bool = False) -> None:
self.__write_cmd("C", id, arg)
if (not ignore_response):
self.__read_cmd_status("C")
def __read_file_from_sdram(self, file: str, offset: int, length: int, align: int = 2) -> None:
with open(file, "wb") as f:
transfer_size = self.__align(length, align)
self.__set_progress_init(transfer_size, os.path.basename(f.name))
self.__write_cmd("R", offset, transfer_size)
while (f.tell() < length):
chunk_size = min(self.__CHUNK_SIZE, length - f.tell())
f.write(self.__read(chunk_size))
self.__set_progress_value(f.tell())
if (transfer_size != length):
self.__read(transfer_size - length)
self.__read_cmd_status("R")
self.__set_progress_finish()
def __write_file_to_sdram(self, file: str, offset: int, align: int = 2, min_length: int = 0) -> None:
with open(file, "rb") as f:
length = os.fstat(f.fileno()).st_size
transfer_size = self.__align(max(length, min_length), align)
self.__set_progress_init(transfer_size, os.path.basename(f.name))
self.__write_cmd("W", offset, transfer_size)
while (f.tell() < length):
self.__write(f.read(min(self.__CHUNK_SIZE, length - f.tell())))
self.__set_progress_value(f.tell())
if (transfer_size != length):
self.__write_dummy(transfer_size - length)
self.__read_cmd_status("W")
self.__set_progress_finish()
def __get_save_length(self) -> None:
save_type = self.__query_config(self.__CFG_ID_SAVE_TYPE)
return {
0: 0,
1: 512,
2: 2048,
3: (32 * 1024),
4: (128 * 1024),
5: (3 * 32 * 1024),
6: (128 * 1024)
}[save_type]
def __reconfigure(self) -> None:
magic = self.__query_config(self.__CFG_ID_RECONFIGURE)
self.__change_config(self.__CFG_ID_RECONFIGURE, magic, ignore_response=True)
time.sleep(0.2)
def backup_firmware(self, file: str) -> None:
length = self.__query_config(self.__CFG_ID_FLASH_SIZE)
self.__change_config(self.__CFG_ID_FLASH_READ, self.__UPDATE_OFFSET)
self.__read_file_from_sdram(file, self.__UPDATE_OFFSET, length)
def update_firmware(self, file: str) -> None:
self.__write_file_to_sdram(file, self.__UPDATE_OFFSET)
saved_timeout = self.__usb.timeout
self.__usb.timeout = 20.0
self.__change_config(self.__CFG_ID_FLASH_PROGRAM, self.__UPDATE_OFFSET)
self.__usb.timeout = saved_timeout
self.__reconfigure()
self.__find_sc64()
def set_boot_mode(self, mode: int) -> None:
if (mode >= 0 and mode <= 4):
self.__change_config(self.__CFG_ID_BOOT_MODE, mode)
else:
raise SC64Exception("Boot mode outside of supported values")
def get_boot_mode_label(self, mode: int) -> None:
if (mode < 0 or mode > 4):
return "Unknown"
return {
0: "Load menu from SD card",
1: "Load menu from USB",
2: "Load ROM from SDRAM",
3: "Load DDIPL from SDRAM",
4: "Load ROM from SDRAM directly without bootloader",
}[mode]
def set_tv_type(self, type: int = None) -> None:
if (type == None or type == 3):
self.__change_config(self.__CFG_ID_TV_TYPE, 3)
elif (type >= 0 and type <= 2):
self.__change_config(self.__CFG_ID_TV_TYPE, type)
else:
raise SC64Exception("TV type outside of supported values")
def get_tv_type_label(self, type: int) -> None:
if (type < 0 or type > 2):
return "Unknown"
return {
0: "PAL",
1: "NTSC",
2: "MPAL"
}[type]
def set_cic_seed(self, seed: int = None) -> None:
if (seed == None or seed == 0xFFFF):
self.__change_config(self.__CFG_ID_CIC_SEED, 0xFFFF)
elif (seed >= 0 and seed <= 0x1FF):
self.__change_config(self.__CFG_ID_CIC_SEED, seed)
else:
raise SC64Exception("CIC seed outside of supported values")
def download_rom(self, file: str, length: int, offset: int = 0) -> None:
self.__read_file_from_sdram(file, offset, length)
def upload_rom(self, file: str, offset: int = 0) -> None:
self.__write_file_to_sdram(file, offset, min_length=self.__MIN_ROM_LENGTH)
def set_save_type(self, type: int) -> None:
if (type >= 0 and type <= 6):
self.__change_config(self.__CFG_ID_SAVE_TYPE, type)
else:
raise SC64Exception("Save type outside of supported values")
def get_save_type_label(self, type: int) -> None:
if (type < 0 or type > 6):
return "Unknown"
return {
0: "No save",
1: "EEPROM 4Kb",
2: "EEPROM 16Kb",
3: "SRAM 256Kb",
4: "FlashRAM 1Mb",
5: "SRAM 768Kb",
6: "FlashRAM 1Mb (Pokemon Stadium 2 special case)"
}[type]
def download_save(self, file: str) -> None:
length = self.__get_save_length()
if (length > 0):
offset = self.__query_config(self.__CFG_ID_SAVE_OFFEST)
self.__read_file_from_sdram(file, offset, length)
else:
raise SC64Exception("Can't read save data - no save type is set")
def upload_save(self, file: str) -> None:
length = self.__get_save_length()
save_length = os.path.getsize(file)
if (length <= 0):
raise SC64Exception("Can't write save data - no save type is set")
elif (length != save_length):
raise SC64Exception("Can't write save data - save file size is different than expected")
else:
offset = self.__query_config(self.__CFG_ID_SAVE_OFFEST)
self.__write_file_to_sdram(file, offset)
def set_dd_enable(self, enable: bool) -> None:
self.__change_config(self.__CFG_ID_DD_ENABLE, 1 if enable else 0)
def download_dd_ipl(self, file: str) -> None:
dd_ipl_offset = self.__query_config(self.__CFG_ID_DDIPL_OFFEST)
self.__read_file_from_sdram(file, dd_ipl_offset, length=self.__DDIPL_ROM_LENGTH)
def upload_dd_ipl(self, file: str, offset: int = None) -> None:
if (offset != None):
self.__change_config(self.__CFG_ID_DDIPL_OFFEST, offset)
dd_ipl_offset = self.__query_config(self.__CFG_ID_DDIPL_OFFEST)
self.__write_file_to_sdram(file, dd_ipl_offset, min_length=self.__DDIPL_ROM_LENGTH)
def set_dd_disk_state(self, state: str) -> None:
state_mapping = {
"ejected": self.__DD_DISK_STATE_EJECTED,
"inserted": self.__DD_DISK_STATE_INSERTED,
"changed": self.__DD_DISK_STATE_CHANGED,
}
if (state in state_mapping):
self.__change_config(self.__CFG_ID_DD_DISK_STATE, state_mapping[state])
else:
raise SC64Exception("DD disk state outside of supported values")
def __dd_create_configuration(self, handle: TextIOWrapper) -> tuple[str, int, list[tuple[int, int]]]:
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],
)]
def __check_system_block(lba: int, sector_size: int, check_disk_type: bool) -> tuple[bool, bytes]:
handle.seek(lba * DISK_SYSTEM_SECTOR_SIZE * DISK_SECTORS_PER_BLOCK)
system_block_data = handle.read(sector_size * DISK_SECTORS_PER_BLOCK)
system_data = system_block_data[:sector_size]
for sector in range(1, 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)
disk_drive_type = None
disk_system_data = None
disk_id_data = None
disk_bad_lbas = []
drive_index = 0
while (disk_system_data == None) and (drive_index < len(DISK_DRIVE_TYPES)):
(drive_type, system_sector_size, system_data_lbas, bad_lbas) = 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) = __check_system_block(system_lba, system_sector_size, check_disk_type=True)
if (valid):
disk_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) = __check_system_block(id_lba, 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 SC64Exception("Provided 64DD disk file is not valid")
disk_zone_bad_tracks = []
for zone in range(len(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(DISK_BAD_TRACKS_PER_ZONE - len(zone_bad_tracks)):
zone_bad_tracks.append(DISK_ZONES[zone][2] - ignored_track - 1)
disk_zone_bad_tracks.append(zone_bad_tracks)
thb_lba_table = [(0xFFFFFFFF, -1)] * (DISK_HEADS * DISK_TRACKS * DISK_BLOCKS_PER_TRACK)
disk_type = disk_system_data[5] & 0x0F
current_lba = 0
starting_block = 0
disk_file_offset = 0
for zone in DISK_VZONE_TO_PZONE[disk_type]:
(head, sector_size, tracks, track) = 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(DISK_BLOCKS_PER_TRACK):
if (current_lba not in disk_bad_lbas):
index = (track << 2) | (head << 1) | (starting_block ^ block)
thb_lba_table[index] = (disk_file_offset, current_lba)
disk_file_offset += sector_size * DISK_SECTORS_PER_BLOCK
current_lba += 1
track += (-1) if head else 1
starting_block ^= 1
return (disk_drive_type, thb_lba_table)
def set_dd_configuration_for_disk(self, file: str = None) -> None:
if (file):
with open(file, "rb+") as handle:
(disk_drive_type, thb_lba_table) = self.__dd_create_configuration(handle)
thb_table_offset = self.__query_config(self.__CFG_ID_DD_THB_TABLE_OFFSET)
data = bytearray()
self.__disk_lba_table = [0xFFFFFFFF] * len(thb_lba_table)
for (offset, lba) in thb_lba_table:
data += struct.pack(">I", offset)
self.__disk_lba_table[lba] = offset
self.__write_cmd("W", thb_table_offset, len(data))
self.__write(data)
self.__read_cmd_status("W")
id_mapping = {
"retail": self.__DD_DRIVE_ID_RETAIL,
"development": self.__DD_DRIVE_ID_DEVELOPMENT,
}
if (disk_drive_type in id_mapping):
self.__change_config(self.__CFG_ID_DD_DRIVE_ID, id_mapping[disk_drive_type])
else:
raise SC64Exception("DD drive type outside of supported values")
else:
raise SC64Exception("No DD disk file provided for disk info creation")
def __debug_process_fsd_read(self, data: bytes) -> None:
sector = int.from_bytes(data[0:4], byteorder='little')
offset = int.from_bytes(data[4:8], byteorder='little')
if (self.__fsd_file):
self.__fsd_file.seek(sector * 512)
self.__write_cmd("T", offset, 512)
self.__write(self.__fsd_file.read(512))
else:
self.__write_cmd("T", offset, 0)
def __debug_process_fsd_write(self, data: bytes) -> None:
sector = int.from_bytes(data[0:4], byteorder='little')
offset = int.from_bytes(data[4:8], byteorder='little')
if (self.__fsd_file):
self.__fsd_file.seek(sector * 512)
self.__write_cmd("F", offset, 512)
self.__fsd_file.write(self.__read(512))
else:
self.__write_cmd("F", offset, 0)
def __debug_process_dd_block(self, data: bytes) -> None:
transfer_mode = int.from_bytes(data[0:4], byteorder='little')
sdram_offset = int.from_bytes(data[4:8], byteorder='little')
disk_file_offset = int.from_bytes(data[8:12], byteorder='big')
block_length = int.from_bytes(data[12:16], byteorder='little')
if (self.__disk_file):
self.__disk_file.seek(disk_file_offset)
if (transfer_mode):
if (not self.__dd_turbo):
# Fixes weird bug in Mario Artist Paint Studio prototype minigame
time.sleep(0.016)
self.__write_cmd("S", sdram_offset, block_length)
self.__write(self.__disk_file.read(block_length))
else:
self.__write_cmd("L", sdram_offset, block_length)
self.__disk_file.write(self.__read(block_length))
def __debug_process_is_viewer(self, data: bytes) -> None:
length = int.from_bytes(data[0:4], byteorder='little')
address = int.from_bytes(data[4:8], byteorder='little')
offset = (address & 0x01)
transfer_length = self.__align(length + offset, 2)
self.__write_cmd("L", (address & 0xFFFFFFFE), transfer_length)
text = self.__read(transfer_length)[offset:][:length]
self.__isv_line_buffer.extend(text)
try:
while (len(self.__isv_line_buffer) > 0):
line_end = self.__isv_line_buffer.index(b'\n')
line = self.__isv_line_buffer[:line_end]
self.__isv_line_buffer = self.__isv_line_buffer[line_end + 1:]
print(line.decode("EUC-JP", errors="backslashreplace"))
except ValueError:
pass
def debug_init(self, fsd_file: str = None, disk_file: str = None, dd_turbo: bool = False) -> None:
if (fsd_file):
self.__fsd_file = open(fsd_file, "rb+")
if (disk_file):
self.__disk_file = open(disk_file, "rb+")
self.__dd_turbo = dd_turbo
def debug_loop(self, is_viewer_enabled: bool = False) -> None:
self.__change_config(self.__CFG_ID_IS_VIEWER_ENABLE, is_viewer_enabled)
print("\r\n\033[34m --- Debug server started --- \033[0m\r\n")
start_indicator = bytearray()
dropped_bytes = 0
while (True):
while (start_indicator != b"DMA@"):
start_indicator.append(self.__read_long(1)[0])
if (len(start_indicator) > 4):
dropped_bytes += 1
start_indicator.pop(0)
start_indicator.clear()
if (dropped_bytes):
print(f"\033[35mWarning - dropped {dropped_bytes} bytes from stream\033[0m", file=sys.stderr)
dropped_bytes = 0
header = self.__read_long(4)
id = int(header[0])
length = int.from_bytes(header[1:4], byteorder="big")
data = self.__read_long(length)
self.__read_long(self.__align(length, 4) - length)
end_indicator = self.__read_long(4)
if (end_indicator != b"CMPH"):
print(f"\033[35mGot unknown end indicator: {end_indicator.decode(encoding='ascii', errors='backslashreplace')}\033[0m", file=sys.stderr)
else:
if (id == self.__DEBUG_ID_TEXT):
print(data.decode(encoding="ascii", errors="backslashreplace"), end="")
elif (id == self.__EVENT_ID_FSD_READ):
self.__debug_process_fsd_read(data)
elif (id == self.__EVENT_ID_FSD_WRITE):
self.__debug_process_fsd_write(data)
elif (id == self.__EVENT_ID_DD_BLOCK):
self.__debug_process_dd_block(data)
elif (id == self.__EVENT_ID_IS_VIEWER):
self.__debug_process_is_viewer(data)
else:
print(f"\033[35mGot unknown id: {id}, length: {length}\033[0m", file=sys.stderr)
class SC64ProgressBar:
__LABEL_LENGTH = 30
def __init__(self, sc64: SC64) -> None:
self.__sc64 = sc64
self.__widgets = [
"[ ",
progressbar.FormatLabel("{variables.label}", new_style=True),
" | ",
progressbar.Bar(left="", right=""),
" ",
progressbar.Percentage(),
" | ",
progressbar.DataSize(prefixes=(" ", "Ki", "Mi")),
" | ",
progressbar.AdaptiveTransferSpeed(),
" ]"
]
self.__variables = {"label": ""}
self.__bar = None
def __enter__(self) -> None:
if (self.__sc64):
self.__sc64._SC64__progress_init = self.__progress_init
self.__sc64._SC64__progress_value = self.__progress_value
self.__sc64._SC64__progress_finish = self.__progress_finish
def __exit__(self, exc_type, exc_val, exc_tb) -> None:
if (self.__sc64):
self.__sc64._SC64__progress_init = None
self.__sc64._SC64__progress_value = None
self.__sc64._SC64__progress_finish = None
def __progress_init(self, value: int, label: str) -> None:
if (self.__bar == None):
self.__bar = progressbar.ProgressBar(widgets=self.__widgets, variables=self.__variables)
justified_label = label.ljust(self.__LABEL_LENGTH)
if (len(justified_label) > self.__LABEL_LENGTH):
justified_label = f"{justified_label[:self.__LABEL_LENGTH - 3]}..."
self.__bar.variables.label = justified_label
self.__bar.start(max_value=value)
def __progress_value(self, value: int) -> None:
self.__bar.update(value)
def __progress_finish(self) -> None:
self.__bar.finish(end="")
print()
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="SummerCart64 one stop control center")
parser.add_argument("-b", metavar="boot_mode", default="2", required=False, help="set boot mode (0 - 4)")
parser.add_argument("-t", metavar="tv_type", default="3", required=False, help="set TV type (0 - 2)")
parser.add_argument("-c", metavar="cic_seed", default="0xFFFF", required=False, help="set CIC seed")
parser.add_argument("-s", metavar="save_type", default="0", required=False, help="set save type (0 - 6)")
parser.add_argument("-d", default=False, action="store_true", required=False, help="enable 64DD emulation")
parser.add_argument("-df", default=False, action="store_true", required=False, help="set 64DD emulation to turbo mode")
parser.add_argument("-r", default=False, action="store_true", required=False, help="perform reading operation instead of writing")
parser.add_argument("-l", metavar="length", default="0x101000", required=False, help="specify ROM length to read")
parser.add_argument("-u", metavar="update_path", default=None, required=False, help="path to update file")
parser.add_argument("-e", metavar="save_path", default=None, required=False, help="path to save file")
parser.add_argument("-i", metavar="ddipl_path", default=None, required=False, help="path to DDIPL file")
parser.add_argument("-q", default=None, action="store_true", required=False, help="start debug server")
parser.add_argument("-v", default=False, action="store_true", required=False, help="enable IS-Viewer64 support")
parser.add_argument("-f", metavar="sd_path", default=None, required=False, help="path to disk or file for fake SD card emulation")
parser.add_argument("-k", metavar="disk_path", default=None, required=False, help="path to 64DD disk file")
parser.add_argument("rom", metavar="rom_path", default=None, help="path to ROM file", nargs="?")
if (len(sys.argv) <= 1):
parser.print_help()
parser.exit()
args = parser.parse_args()
try:
sc64 = SC64()
boot_mode = int(args.b)
save_type = int(args.s)
tv_type = int(args.t)
cic_seed = int(args.c, 0)
dd_enable = args.d
dd_turbo = args.df
is_read = args.r
rom_length = int(args.l, 0)
update_file = args.u
save_file = args.e
dd_ipl_file = args.i
rom_file = args.rom
debug_server = args.q
is_viewer_enabled = args.v
sd_file = args.f
disk_file = args.k
firmware_backup_file = "sc64firmware.bin.bak"
with SC64ProgressBar(sc64):
if (update_file):
if (is_read):
sc64.backup_firmware(update_file)
else:
sc64.backup_firmware(firmware_backup_file)
if (not filecmp.cmp(update_file, firmware_backup_file)):
print("Update file different than contents of flash - updating SummerCart64")
sc64.update_firmware(update_file)
else:
print("SummerCart64 is already updated to latest version")
os.remove(firmware_backup_file)
if (not is_read):
if (boot_mode != 2):
print(f"Setting boot mode to [{sc64.get_boot_mode_label(boot_mode)}]")
sc64.set_boot_mode(boot_mode)
if (save_type):
print(f"Setting save type to [{sc64.get_save_type_label(save_type)}]")
sc64.set_save_type(save_type)
if (tv_type != 3):
print(f"Setting TV type to [{sc64.get_tv_type_label(tv_type)}]")
sc64.set_tv_type(tv_type)
if (cic_seed != 0xFFFF):
print(f"Setting CIC seed to [{hex(cic_seed) if cic_seed != 0xFFFF else 'Unknown'}]")
sc64.set_cic_seed(cic_seed)
if (dd_enable):
print(f"Setting 64DD emulation to [{'Enabled' if dd_enable else 'Disabled'}]")
sc64.set_dd_enable(dd_enable)
if (rom_file):
if (is_read):
if (rom_length > 0):
sc64.download_rom(rom_file, rom_length)
else:
raise SC64Exception("ROM length should be larger than 0")
else:
sc64.upload_rom(rom_file)
if (dd_ipl_file):
if (is_read):
sc64.download_dd_ipl(dd_ipl_file)
else:
sc64.upload_dd_ipl(dd_ipl_file)
if (save_file):
if (is_read):
sc64.download_save(save_file)
else:
sc64.upload_save(save_file)
sc64.reset_n64()
if (debug_server):
sc64.debug_init(sd_file, disk_file, dd_turbo)
if (is_viewer_enabled):
print(f"Setting IS-Viewer 64 emulation to [Enabled]")
if (sd_file):
print(f"Using fake SD emulation file [{sd_file}]")
if (disk_file):
print(f"Using 64DD disk image file [{disk_file}]")
sc64.set_dd_configuration_for_disk(disk_file)
print(f"Setting 64DD disk state to [Changed]")
sc64.set_dd_disk_state("changed" if disk_file else "ejected")
sc64.debug_loop(is_viewer_enabled)
except SC64Exception as e:
print(f"Error: {e}")
parser.exit(1)
except KeyboardInterrupt:
pass
finally:
if (sc64):
sc64.reset_link()
if (disk_file):
print(f"Setting 64DD disk state to [Ejected]")
sc64.set_dd_disk_state("ejected")
sys.stdout.write("\033[0m")
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