mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2025-01-23 09:16:20 -08:00
104 lines
2.8 KiB
Python
104 lines
2.8 KiB
Python
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#!/usr/bin/env python3
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import sys
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import re
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encoding = 'utf-8'
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def total_bank_size(type):
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# used to output the size of EMPTY banks
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sizes = {
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'ROM0': 0x4000, # 0000–3FFF
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'ROMX': 0x4000, # 4000–7FFF
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'VRAM': 0x2000, # 8000–9FFF
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'SRAM': 0x2000, # A000-BFFF
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'WRAM0': 0x1000, # C000-CFFF
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'WRAMX': 0x1000, # D000-DFFF
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# E000-FDFF: echo RAM
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'OAM': 0xA0, # FE00-FE9F
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# FEA0-FEFF: unusable
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# FF00-FF7F: hardware I/O registers
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'HRAM': 0x80, # FF80-FFFF
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}
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return sizes[type]
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def sorted_mapfile(input):
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bank_rx = re.compile(r'^([A-Z]+) Bank #([0-9]+)')
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section_rx = re.compile(r' +SECTION: \$([0-9A-F]+)(?:-\$([0-9A-F]+))? \(\$([0-9A-F]+) bytes\) \["(.+)"\]')
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label_rx = re.compile(r' +\$([0-9A-F]+) = (.+)')
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slack_rx = re.compile(r' +SLACK: \$([0-9A-F]+) bytes')
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bank_type = None
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bank_number = None
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bank_size = 0
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bank_queue = []
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section_queue = []
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for line in input:
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if line.startswith(' EMPTY'):
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# empty banks have their entire capacity as slack
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line = ' SLACK: $%04X bytes\n' % total_bank_size(bank_type)
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x = re.match(bank_rx, line)
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if x:
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# start a new bank
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bank_type = x.group(1)
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bank_number = '%02X' % int(x.group(2))
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if bank_type == 'ROM':
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bank_type = 'ROM0' if bank_number == '00' else 'ROMX'
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if bank_type == 'WRAM':
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bank_type = 'WRAM0' if bank_number == '00' else 'WRAMX'
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bank_size = 0
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bank_queue.clear()
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section_queue.clear()
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continue
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x = re.match(section_rx, line)
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if x:
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# finish current section
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bank_queue.extend(sorted(section_queue))
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# start a new section
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start = x.group(1)
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end = x.group(2) or start
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size = x.group(3).zfill(4)
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name = x.group(4)
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bank_size += int(size, 16)
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bank_queue.append('; %s:%s-%s ($%s) %s\n' % (bank_number, start, end, size, name))
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section_queue.clear()
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continue
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x = re.match(label_rx, line)
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if x:
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# add label to section
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address = x.group(1)
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label = x.group(2)
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section_queue.append('%s:%s %s\n' % (bank_number, address, label))
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continue
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x = re.match(slack_rx, line)
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if x:
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# finish current section
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bank_queue.extend(sorted(section_queue))
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# finish current bank
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slack = int(x.group(1), 16)
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yield '; %s $%s ($%s) ($%04X free)\n' % (bank_type, bank_number, bank_size, slack)
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yield from bank_queue
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continue
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def main():
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if len(sys.argv) < 3:
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print('Usage: %s pokecrystal.map sorted.sym' % sys.argv[0], file=sys.stderr)
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sys.exit(1)
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input_filename = sys.argv[1]
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output_filename = sys.argv[2]
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with open(input_filename, 'r', encoding=encoding) as infile:
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input = infile.readlines()
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output = sorted_mapfile(input)
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with open(output_filename, 'w', encoding=encoding) as outfile:
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for line in output:
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outfile.write(line)
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if __name__ == '__main__':
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main()
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