Leahnaya/pokemon-reverse-engineering-tools
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sym: rgbds does ram banks now

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This commit is contained in:
yenatch 2013-12-06 19:39:34 -05:00
parent 806fd657c2
commit 1be104b8e8
1 changed files with 14 additions and 19 deletions
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33
pokemontools/sym.py
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@ -4,7 +4,7 @@ import os
import sys
import json
def make_sym_from_json(filename = '../pokecrystal.sym', j = 'labels.json'):
def make_sym_from_json(filename = 'pokecrystal.sym', j = 'labels.json'):
output = ''
labels = json.load(open(j))
for label in labels:
@ -12,13 +12,13 @@ def make_sym_from_json(filename = '../pokecrystal.sym', j = 'labels.json'):
with open(filename, 'w') as sym:
sym.write(output)
def make_json_from_mapfile(filename='labels.json', mapfile='../pokecrystal.map'):
def make_json_from_mapfile(filename='labels.json', mapfile='pokecrystal.map'):
output = []
labels = filter_wram_addresses(read_mapfile(mapfile))
with open(filename, 'w') as out:
out.write(json.dumps(labels))
def read_mapfile(filename='../pokecrystal.map'):
def read_mapfile(filename='pokecrystal.map'):
"""
Scrape label addresses from an rgbds mapfile.
"""
@ -29,9 +29,15 @@ def read_mapfile(filename='../pokecrystal.map'):
lines = mapfile.readlines()
for line in lines:
# bank #
if 'Bank #' in line:
cur_bank = int(line.lstrip('Bank #').strip(';\n').strip(' (HOME)'))
if line[0].strip(): # section type def
section_type = line.split(' ')[0]
if section_type == 'Bank': # ROM
cur_bank = int(line.split(' ')[1].split(':')[0][1:])
elif section_type in ['WRAM0', 'HRAM']:
cur_bank = 0
elif section_type in ['WRAM, VRAM']:
cur_bank = int(line.split(' ')[2].split(':')[0][1:])
cur_bank = int(line.split(' ')[2].split(':')[0][1:])
# label definition
elif '=' in line:
@ -39,21 +45,10 @@ def read_mapfile(filename='../pokecrystal.map'):
address = int(address.lstrip().replace('$', '0x'), 16)
label = label.strip()
# rgbds doesn't support ram banks yet
bank = cur_bank
offset = address
ranges = [
0x8000 <= address < 0xa000,
0xa000 <= address < 0xc000,
0xc000 <= address < 0xd000,
0xd000 <= address < 0xe000,
]
if any(ranges):
bank = 0
else:
offset += (bank * 0x4000 - 0x4000) if bank > 0 else 0
if address < 0x8000 and bank: # ROM
offset += (bank - 1) * 0x4000
labels += [{
'label': label,