mirror of https://github.com/pret/pokecrystal.git
55 lines
1.5 KiB
Python
55 lines
1.5 KiB
Python
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# -*- coding: utf-8 -*-
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import json
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# from crystal import load_rom
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# from gbz80disasm import load_labels
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def make_sym_from_json(filename = '../pokecrystal.sym', j = 'labels.json'):
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# todo: delete and remake labels.json at runtime
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with open(filename, 'w') as sym:
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for label in json.load(open(j)):
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sym.write('{0:x}:{1:x} {2}\n'.format(label['bank'], label['address']&0x3fff, label['label']))
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def make_sym_from_mapfile(filename = '../pokecrystal.sym', mapfile = '../mapfile.txt'):
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# todo: sort label definitions by address
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output = ''
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# get label definitions
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with open(mapfile,'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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thing = line.split('=')
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spacing = ' ' * 11 # arbitrary
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addr = int(thing[0].lstrip(spacing)[1:5],16)
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# rgbds doesn't support wram banks yet,
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# so this hack is applied instead
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if addr > 0xbfff: # 0xc000+ (wram only)
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cur_bank = 0
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if addr > 0xcfff: # 0xd000+ (wram only)
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cur_bank = 1
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# convert to sym format (bank:addr label)
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label = thing[1].strip('\n')
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output += hex(cur_bank)[2:] + ':' + hex(addr)[2:] + ' ' + label + '\n'
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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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# default behavior: generate sym file from rgbds mapfile
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try: make_sym_from_mapfile()
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# if no mapfile exists, generate from labels.json
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except: make_sym_from_json()
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