[Decompile] DMA and similar (#275)

* add some dma

* clean up

* add progress script and make codacy happy

scripts/decomp_progress.py

@@ -0,0 +1,59 @@
+import os
+import glob
+import argparse
+
+### Script to track decompilation progress.
+### Example usage: python3 scripts/decomp_progress.py ~/jak-project/goal_src
+
+def get_goal_files(root_dir):
+	"""Get all GOAL source files under root_dir"""
+	return [goal_file for file in os.walk(root_dir) for goal_file in glob.glob(os.path.join(file[0], '*.gc'))]
+
+def lines_in_file(file_path):
+	with open(file_path) as f:
+		lines = 0
+		for _ in f:
+			lines += 1
+		return lines
+
+
+def print_table(stats):
+	total_lines = 0
+	print("| {: <24} | {: <6} |".format("file name", "lines"))
+	print("-------------------------------------")
+	for x in stats:
+		print("  {: <24} | {: >6} |".format(x[0], x[1]))
+		total_lines += x[1]
+	print("-------------------------------------")
+	print("| {: <24} | {: >6} |".format("TOTAL", total_lines))
+	print("-------------------------------------")
+	estimated_lines = 500000
+	print("Progress: {}/{} lines ({:.2f}%)".format(total_lines, estimated_lines, 100. * total_lines / estimated_lines))
+
+
+
+def main():
+	parser = argparse.ArgumentParser()
+	parser.add_argument(dest='goal_src', help='the goal_src folder')
+	args = parser.parse_args()
+	all_files = get_goal_files(args.goal_src)
+
+	file_stats = []
+
+	excluded_files = {"all_files.gc", "goal-lib.gc"}
+
+	for fn in all_files:
+		short_name = os.path.basename(fn)
+		line_count = lines_in_file(fn)
+		if line_count == 7 or short_name in excluded_files:
+			# the template has 7 lines, just skip it.
+			continue
+
+		file_stats.append((short_name, line_count))
+	file_stats.sort(key=lambda x: x[1])
+
+	print_table(file_stats)
+
+
+if __name__ == "__main__":
+	main()