mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
101 lines
2.3 KiB
Python
101 lines
2.3 KiB
Python
# coding: utf-8
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import os
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import sys
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import json
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def make_sym_from_json(filename = '../pokecrystal.sym', j = 'labels.json'):
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output = ''
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labels = json.load(open(j))
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for label in labels:
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output += '{0:x}:{1:x} {2}\n'.format(label['bank'], label['address'], label['label'])
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with open(filename, 'w') as sym:
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sym.write(output)
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def make_json_from_mapfile(filename = 'labels.json', mapfile = '../pokecrystal.map'):
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output = []
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labels = filter_wram_addresses(read_mapfile(mapfile))
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with open(filename, 'w') as out:
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out.write(json.dumps(labels))
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def read_mapfile(filename = '../pokecrystal.map'):
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"""
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Scrape label addresses from an rgbds mapfile.
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"""
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labels = []
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with open(filename,'r') as map:
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lines = map.readlines()
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for line in lines:
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# bank #
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if 'Bank #' in line:
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cur_bank = int(line.lstrip('Bank #').strip(':\n').strip(' (HOME)'))
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# label definition
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elif '=' in line:
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address, label = line.split('=')
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address = int(address.lstrip().replace('$','0x'), 16)
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label = label.strip()
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# rgbds doesn't support ram banks yet
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bank = cur_bank
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offset = address
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if 0x8000 <= address < 0xa000:
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bank = 0
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elif 0xa000 <= address < 0xc000:
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bank = 0
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elif 0xc000 <= address < 0xd000:
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bank = 0
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elif 0xd000 <= address < 0xe000:
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bank = 0
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else:
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offset += (bank * 0x4000 - 0x4000) if bank > 0 else 0
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labels += [{
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'label': label,
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'bank': bank,
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'address': offset,
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'offset': offset,
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'local_address': address,
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}]
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return labels
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def filter_wram_addresses(labels):
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filtered_labels = []
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for label in labels:
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if label['local_address'] < 0x8000:
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filtered_labels += [label]
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return filtered_labels
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def make_sym_from_mapfile(filename = '../pokecrystal.sym'):
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# todo: sort label definitions by address
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output = ''
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labels = read_mapfile()
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# convert to sym format (bank:addr label)
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for label in labels:
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output += '%.2x:%.4x %s\n' % (label['bank'], label['address'], label['label'])
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# dump contents to symfile
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with open(filename, 'w') as sym:
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sym.write(output)
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if __name__ == "__main__":
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#if os.path.exists('../pokecrystal.sym'):
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# sys.exit()
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#elif os.path.exists('../pokecrystal.map'):
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# make_sym_from_mapfile()
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#elif os.path.exists('labels.json'):
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# make_sym_from_json()
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make_json_from_mapfile()
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