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# -*- coding: utf-8 -*-
import json
# from crystal import load_rom
# from gbz80disasm import load_labels
def make_sym_from_json(filename = '../pokecrystal.sym', j = 'labels.json'):
# todo: delete and remake labels.json at runtime
with open(filename, 'w') as sym:
for label in json.load(open(j)):
sym.write('{0:x}:{1:x} {2}\n'.format(label['bank'], label['address']%0x4000 + (0x4000 if label['bank'] else 0), label['label']))
def make_sym_from_mapfile(filename = '../pokecrystal.sym', mapfile = '../mapfile.txt'):
# todo: sort label definitions by address
output = ''
# get label definitions
with open(mapfile,'r') as map:
lines = map.readlines()
for line in lines:
# bank #
if 'Bank #' in line:
cur_bank = int(line.lstrip('Bank #').strip(':\n').strip(' (HOME)'))
# label definition
elif '=' in line:
thing = line.split('=')
spacing = ' ' * 11 # arbitrary
addr = int(thing[0].lstrip(spacing)[1:5],16)
# rgbds doesn't support wram banks yet,
# so this hack is applied instead
if addr > 0xbfff: # 0xc000+ (wram only)
cur_bank = 0
if addr > 0xcfff: # 0xd000+ (wram only)
cur_bank = 1
# convert to sym format (bank:addr label)
label = thing[1].strip('\n')
output += hex(cur_bank)[2:] + ':' + hex(addr)[2:] + ' ' + label + '\n'
# dump contents to symfile
with open(filename, 'w') as sym:
sym.write(output)
if __name__ == "__main__":
# default behavior: generate sym file from rgbds mapfile
try: make_sym_from_mapfile()
# if no mapfile exists, generate from labels.json
except: make_sym_from_json()
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