mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-09-09 09:51:34 -07:00
70 lines
1.9 KiB
Python
Executable File
70 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Usage: python3 free_space.py [BANK=none] [pokecrystal.map]
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Calculate the free space in the ROM or its individual banks.
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The BANK argument allows printing free space in one, all, or none of the ROM's banks.
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Valid arguments are numbers (in decimal "42" or hexadecimal "0x2A"), "all" or "none".
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If not specified, defaults to "none".
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"""
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import sys
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from mapreader import MapReader
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def main():
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print_bank = 'none'
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filename = 'pokecrystal.map'
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for arg in sys.argv[1:]:
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if arg.startswith('BANK='):
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print_bank = arg.split('=', 1)[-1]
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else:
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filename = arg
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if print_bank not in {'all', 'none'}:
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try:
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print_bank = (int(print_bank[2:], 16)
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if print_bank.startswith('0x') or print_bank.startswith('0X')
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else int(print_bank))
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except ValueError:
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error = f'Error: invalid BANK: {print_bank}'
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if print_bank.isalnum():
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error += f' (did you mean: 0x{print_bank}?)'
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print(error, file=sys.stderr)
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sys.exit(1)
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num_banks = 0x80
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bank_size = 0x4000 # bytes
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total_size = num_banks * bank_size
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reader = MapReader()
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with open(filename, 'r', encoding='utf-8') as file:
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reader.read_map_data(file.readlines())
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free_space = 0
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per_bank = []
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default_bank_data = {'sections': [], 'used': 0, 'slack': bank_size}
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for bank in range(num_banks):
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bank_data = reader.bank_data['ROM0 bank' if bank == 0 else 'ROMX bank']
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data = bank_data.get(bank, default_bank_data)
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used, slack = data['used'], data['slack']
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per_bank.append((used, slack))
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free_space += slack
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free_percent = 100 * free_space / total_size
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print(f'Free space: {free_space}/{total_size} ({free_percent:.2f}%)')
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if print_bank != 'none':
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print()
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print('bank, used, free')
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for bank in range(num_banks):
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used, slack = per_bank[bank]
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if print_bank in {'all', bank}:
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print(f'${bank:02X}, {used}, {slack}')
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if __name__ == '__main__':
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main()
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