mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-12-29 06:21:58 +01:00
255 lines
8.3 KiB
Python
255 lines
8.3 KiB
Python
from io import BufferedReader
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from time import sleep
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from sc64_64dd import BadBlockError, SixtyFourDiskDrive
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from sc64_transport import SC64Transport
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class SC64Exception(Exception):
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pass
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class SC64:
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__VERSION_V2 = b'SCv2'
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__CFG_ID_BOOTLOADER_SWITCH = 0
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__CFG_ID_ROM_WRITE_ENABLE = 1
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__CFG_ID_ROM_SHADOW_ENABLE = 2
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__CFG_ID_DD_MODE = 3
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__CFG_ID_ISV_ENABLE = 4
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__CFG_ID_BOOT_MODE = 5
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__CFG_ID_SAVE_TYPE = 6
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__CFG_ID_CIC_SEED = 7
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__CFG_ID_TV_TYPE = 8
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__CFG_ID_FLASH_ERASE_BLOCK = 9
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__CFG_ID_DD_DRIVE_TYPE = 10
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__CFG_ID_DD_DISK_STATE = 11
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__SDRAM_ADDRESS = 0x00000000
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__SDRAM_LENGTH = (64 * 1024 * 1024)
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__DDIPL_ADDRESS = 0x03BC0000
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__DDIPL_LENGTH = (4 * 1024 * 1024)
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__SAVE_ADDRESS = 0x03FE0000
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__SAVE_LENGTH = (128 * 1024)
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__FLASH_ADDRESS = 0x04000000
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__FLASH_LENGTH = (16 * 1024 * 1024)
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__EXTENDED_ROM_ADDRESS = 0x04000000
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__EXTENDED_ROM_LENGTH = (14 * 1024 * 1024)
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__BOOTLOADER_ADDRESS = 0x04E00000
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__BOOTLOADER_LENGTH = (1920 * 1024)
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__SHADOW_ADDRESS = 0x04FE0000
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__SHADOW_LENGTH = (128 * 1024)
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__BUFFER_ADDRESS = 0x06000000
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__BUFFER_LENGTH = (8 * 1024)
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__EEPROM_ADDRESS = 0x06002000
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__EEPROM_LENGTH = (2 * 1024)
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__DD_SECTOR_ADDRESS = 0x06006000
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__DD_SECTOR_LENGTH = (2 * 1024)
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__FLASH_ERASE_SIZE = (128 * 1024)
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__CHUNK_SIZE = (128 * 1024)
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__MAX_ROM_SIZE = __SDRAM_LENGTH + __EXTENDED_ROM_LENGTH
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__BOOT_MODE = [
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'sd',
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'usb',
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'rom',
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'ddipl',
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'direct',
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]
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__SAVE_TYPE = [
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'none',
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'eeprom4k',
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'eeprom16k',
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'sram',
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'flashram',
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'sram3x',
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]
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__SAVE_LENGTH = [
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0,
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512,
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(2 * 1024),
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(32 * 1024),
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(128 * 1024),
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(3 * 32 * 1024),
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]
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__SAVE_ADDRESS = [
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0,
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__EEPROM_ADDRESS,
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__EEPROM_ADDRESS,
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__SAVE_ADDRESS,
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__SAVE_ADDRESS,
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__SAVE_ADDRESS,
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]
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__DD_MODE = [
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'none',
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'full',
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'ddipl',
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]
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__DD_DRIVE_TYPE = [
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'retail',
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'development',
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]
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__DD_DISK_STATE = [
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'ejected',
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'inserted',
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'changed',
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]
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def __init__(self) -> None:
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self.__transport = SC64Transport()
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self.__transport.connect()
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version = self.__transport.execute_cmd(cmd=b'v', args=[0, 0])
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if (version != self.__VERSION_V2):
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raise SC64Exception("SC64 version different than expected")
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def __get_int(self, data: bytes) -> int:
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return int.from_bytes(data[:4], byteorder="big")
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def __set_config(self, config: int, value: int) -> None:
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self.__transport.execute_cmd(b'C', [config, value])
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def __get_config(self, config: int) -> int:
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return int.from_bytes(self.__transport.execute_cmd(b'c', args=[config, 0]), byteorder="big")
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def __write_memory(self, address: int, data: bytes) -> None:
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self.__transport.execute_cmd(
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cmd=b'M', args=[address, len(data)], data=data)
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def __read_memory(self, address: int, length: int):
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return self.__transport.execute_cmd(cmd=b'm', args=[address, length])
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def __erase_flash_block(self, address: int):
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self.__set_config(self.__CFG_ID_FLASH_ERASE_BLOCK, address)
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def __erase_flash(self, address: int, length: int):
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if (address < self.__FLASH_ADDRESS):
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raise ValueError
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if (address + length >= self.__FLASH_ADDRESS + self.__FLASH_LENGTH):
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raise ValueError
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if (address % self.__FLASH_ERASE_SIZE != 0):
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raise ValueError
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if (length % self.__FLASH_ERASE_SIZE != 0):
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raise ValueError
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for offset in range(address, address + length, self.__FLASH_ERASE_SIZE):
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self.__erase_flash_block(offset)
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def set_boot_mode(self, boot_mode: str) -> None:
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value = self.__BOOT_MODE.index(boot_mode)
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self.__set_config(self.__CFG_ID_BOOT_MODE, value)
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def set_save_type(self, save_type: str) -> None:
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value = self.__SAVE_TYPE.index(save_type)
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self.__set_config(self.__CFG_ID_SAVE_TYPE, value)
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def set_dd_mode(self, dd_mode: str) -> None:
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value = self.__DD_MODE.index(dd_mode)
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self.__set_config(self.__CFG_ID_DD_MODE, value)
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def set_dd_drive_type(self, dd_drive_type: str) -> None:
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value = self.__DD_DRIVE_TYPE.index(dd_drive_type)
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self.__set_config(self.__CFG_ID_DD_DRIVE_TYPE, value)
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def set_dd_disk_state(self, dd_disk_state: str) -> None:
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value = self.__DD_DISK_STATE.index(dd_disk_state)
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self.__set_config(self.__CFG_ID_DD_DISK_STATE, value)
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def upload_rom(self, data: bytes):
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if (len(data) > self.__SDRAM_LENGTH):
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raise ValueError
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self.__write_memory(self.__SDRAM_ADDRESS, data)
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def upload_ddipl(self, data: bytes) -> None:
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if (len(data) > self.__DDIPL_LENGTH):
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raise ValueError
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self.__write_memory(self.__DDIPL_ADDRESS, data)
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def upload_save(self, data: bytes) -> None:
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save_type = self.__get_config(self.__CFG_ID_SAVE_TYPE)
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if (save_type < 0 or save_type >= len(self.__SAVE_TYPE)):
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raise ValueError
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if (len(data) != self.__SAVE_LENGTH[save_type]):
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raise ValueError
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self.__write_memory(self.__SAVE_ADDRESS[save_type], data)
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def upload_bootloader(self, data: bytes) -> None:
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if (len(data) > self.__BOOTLOADER_LENGTH):
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raise ValueError
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self.__erase_flash(self.__BOOTLOADER_ADDRESS, self.__BOOTLOADER_LENGTH)
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self.__write_memory(self.__BOOTLOADER_ADDRESS, data)
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def __handle_dd_packet(self, dd: SixtyFourDiskDrive, data: bytes) -> None:
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CMD_READ_BLOCK = 1
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CMD_WRITE_BLOCK = 2
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cmd = self.__get_int(data[0:])
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address = self.__get_int(data[4:])
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track_head_block = self.__get_int(data[8:])
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track = (track_head_block >> 2) & 0xFFF
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head = (track_head_block >> 1) & 0x1
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block = track_head_block & 0x1
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try:
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if (cmd == CMD_READ_BLOCK):
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block_data = dd.read_block(track, head, block)
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self.__transport.execute_cmd(cmd=b'D', args=[address, len(block_data)], data=block_data)
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elif (cmd == CMD_WRITE_BLOCK):
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dd.write_block(track, head, block, data[12:])
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self.__transport.execute_cmd(cmd=b'd', args=[0, 0])
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else:
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self.__transport.execute_cmd(cmd=b'd', args=[-1, 0])
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except BadBlockError:
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self.__transport.execute_cmd(cmd=b'd', args=[1, 0])
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def __handle_isv_packet(self, data: bytes) -> None:
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print(data.decode("EUC-JP", errors="backslashreplace"), end="")
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def debug_server(self, disk_path: str) -> None:
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dd = SixtyFourDiskDrive()
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dd.load(disk_path)
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self.set_dd_drive_type(dd.get_drive_type())
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self.set_dd_disk_state('inserted')
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self.__set_config(self.__CFG_ID_ROM_WRITE_ENABLE, 1)
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self.__set_config(self.__CFG_ID_ISV_ENABLE, 1)
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self.__set_config(self.__CFG_ID_TV_TYPE, 1)
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while (True):
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packet = self.__transport.get_packet()
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if (packet != None):
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(cmd, data) = packet
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if (cmd == b'D'):
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self.__handle_dd_packet(dd, data)
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if (cmd == b'I'):
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self.__handle_isv_packet(data)
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if __name__ == "__main__":
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sc64 = SC64()
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sc64.set_boot_mode('rom')
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print('set boot mode')
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sc64.set_dd_mode('none')
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print('set dd mode')
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with open('S:/n64/roms/ZELOOTD.z64', 'rb') as f:
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sc64.upload_rom(f.read())
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print('uploaded rom')
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# with open('S:/n64/64dd/ipl/NDDJ2.n64', 'rb') as f:
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# sc64.upload_ddipl(f.read())
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# print('uploaded ddipl')
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sc64.set_save_type('sram')
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print('set save type')
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# with open('S:/n64/saves/SM64.eep', 'rb') as f:
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# sc64.upload_save(f.read())
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# print('uploaded save')
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try:
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print('starting debug server')
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sc64.debug_server(disk_path='S:/n64/64dd/rtl/Mario Artist Polygon Studio.ndd')
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except KeyboardInterrupt:
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pass
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