diff options
Diffstat (limited to 'util/generate_bin_dumps.py')
| -rwxr-xr-x | util/generate_bin_dumps.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/util/generate_bin_dumps.py b/util/generate_bin_dumps.py new file mode 100755 index 0000000..4ac851d --- /dev/null +++ b/util/generate_bin_dumps.py @@ -0,0 +1,40 @@ +# Scan for all .bin dumps in the given files and generate the .bin
+# dump files from baserom.gbc.
+
+import os
+import re
+import sys
+
+
+# Scan the input filepath for INCBINs of the following format:
+# INCBIN "foo/bar/{start}_{end}.bin"
+# Example:
+# INCBIN "bin/10000_13fff.bin"
+# Then, create that .bin dump by reading from baserom.gbc.
+def scan_and_dump(filepath):
+ with open(filepath, 'r') as f:
+ file_contents = f.read()
+ with open('baserom.gbc', 'rb') as rom:
+ for match in re.findall(r'INCBIN\s+"(.+)/(.+)_(.+).bin"', file_contents):
+ bin_dump_folder, start_addr, end_addr = match
+ # Construct output filepath.
+ output_filepath = os.path.join(bin_dump_folder, '%s_%s.bin' % (start_addr, end_addr))
+ # Convert addresses to integers.
+ start_addr = int(start_addr, 16)
+ end_addr = int(end_addr, 16)
+ # Read the contents from baserom.gbc.
+ rom.seek(start_addr)
+ bin_contents = rom.read(end_addr - start_addr + 1)
+ # Write the .bin contents.
+ if not os.path.exists(bin_dump_folder):
+ os.makedirs(bin_dump_folder)
+ with open(output_filepath, 'w+b') as bin_file:
+ bin_file.write(bin_contents)
+
+if __name__ == '__main__':
+ if len(sys.argv) != 2:
+ print 'Must provide filepath as argument!'
+ print 'Example: python generate_bin_dumps.py main.asm'
+ sys.exit(1)
+
+ scan_and_dump(sys.argv[1])
|