100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
from typing import BinaryIO
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LOGO = '0x24ffae51699aa2213d84820a84e409ad11248b98c0817f21a352be199309ce2010464a4af82731ec58c7e83382e3cebf85f4df94ce4b09c194568ac01372a7fc9f844d73a3ca9a615897a327fc039876231dc7610304ae56bf38840040a70efdff52fe036f9530f197fbc08560d68025a963be03014e38e2f9a234ffbb3e0344780090cb88113a9465c07c6387f03cafd625e48b380aac7221d4f807'
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def gba_get_info(opt: str, inf: BinaryIO):
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match opt.lower():
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case 'nintendologo':
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inf.seek(0x004)
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if LOGO == hex(int.from_bytes(inf.read(156))):
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return 'OK'
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else:
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return 'NOK'
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case 'title':
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inf.seek(0x0A0)
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return inf.read(12).decode()
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case 'gamecode':
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inf.seek(0x0AC)
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return _gamecode_lookup(inf.read(4).decode())
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case 'makercode':
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inf.seek(0x0B0)
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return _maker_lookup(inf.read(2).decode())
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case 'softwareversion':
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inf.seek(0x0BC)
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return str(int.from_bytes(inf.read(1)))
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case 'complement':
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return complement_check(inf)
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case _:
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return 'Unknown'
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def _gamecode_lookup(code: str) -> str:
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gamecode = []
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match code[:1]:
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case 'A':
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gamecode.append('Normal game (2001-2003)')
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case 'B':
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gamecode.append('Normal game (2003+)')
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case 'C':
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gamecode.append('Normal game (not yet used)')
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case 'F':
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gamecode.append('Famicom/NES')
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case 'K':
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gamecode.append('Acceleration sensor')
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case 'P':
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gamecode.append('For e-Reader (dot-code scanner)')
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case 'R':
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gamecode.append('Rumble and Z-axis gyro sensor')
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case 'U':
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gamecode.append('RTC and solar sensor')
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case 'V':
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gamecode.append('Rumble motor')
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case '_':
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gamecode.append('Unknown')
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match code[3:]:
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case 'D':
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gamecode.append('German')
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case 'E':
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gamecode.append('USA/English')
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case 'F':
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gamecode.append('French')
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case 'I':
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gamecode.append('Italian')
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case 'J':
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gamecode.append('Japanese')
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case 'P':
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gamecode.append('Europe/elsewhere')
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case 'S':
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gamecode.append('Spanish')
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case '_':
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gamecode.append('Unknown')
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return '{} ({})'.format(code, f'Type: {gamecode[0]} | Language: {gamecode[1]})')
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def _maker_lookup(code: str) -> str:
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match code:
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case '01':
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return 'Nintendo ({})'.format(code)
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case 'A4':
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return 'Konami ({})'.format(code)
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case _:
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return 'Unknown ({})'.format(code)
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def complement_check(data: BinaryIO) -> str:
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data.seek(0x000)
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data = data.read()
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if len(data) >= 189:
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checksum = 0
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for b in data[0x0A0:0x0BC]:
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checksum = (checksum - b) & 0xFF
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return '{} ({}/{})'.format((checksum - 0x19) & 0xFF == int.from_bytes(data[0x0BD:0x0BE]),
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(checksum - 0x19) & 0xFF, int.from_bytes(data[0x0BD:0x0BE]))
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else:
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return 'False (Invalid data length)'
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