diff --git a/artiq/devices/core.py b/artiq/devices/core.py
index c027127c6..84335ef04 100644
--- a/artiq/devices/core.py
+++ b/artiq/devices/core.py
@@ -1,26 +1,19 @@
-from operator import itemgetter
-
 from artiq.compiler.inline import inline
 from artiq.compiler.fold_constants import fold_constants
 from artiq.compiler.unroll_loops import unroll_loops
 from artiq.compiler.interleave import interleave
-from artiq.compiler.unparse import Unparser
+from artiq.compiler.ir import get_runtime_binary
 
 class Core:
+	def __init__(self, runtime_env, core_com):
+		self.runtime_env = runtime_env
+		self.core_com = core_com
+
 	def run(self, k_function, k_args, k_kwargs):
 		stmts, rpc_map = inline(self, k_function, k_args, k_kwargs)
 		fold_constants(stmts)
 		unroll_loops(stmts, 50)
 		interleave(stmts)
 
-		print("=========================")
-		print(" Inlined")
-		print("=========================")
-		Unparser(stmts)
-
-		print("")
-		print("=========================")
-		print(" RPC map")
-		print("=========================")
-		for rpc_func, rpc_num in sorted(rpc_map.items(), key=itemgetter(1)):
-			print("{:3} -> {}".format(rpc_num, str(rpc_func)))
+		binary = get_runtime_binary(self.runtime_env, stmts)
+		self.core_com.run(binary)