diff --git a/i75/emulated/machine.py b/i75/emulated/machine.py
index e44215a..3d9e496 100644
--- a/i75/emulated/machine.py
+++ b/i75/emulated/machine.py
@@ -14,3 +14,9 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import time
+
+import mp_time
+
+time.sleep_ms = mp_time.sleep_ms
\ No newline at end of file
diff --git a/i75/emulated/time.py b/i75/emulated/mp_time.py
similarity index 89%
rename from i75/emulated/time.py
rename to i75/emulated/mp_time.py
index e44215a..016a177 100644
--- a/i75/emulated/time.py
+++ b/i75/emulated/mp_time.py
@@ -14,3 +14,8 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import time
+
+def sleep_ms(delay: int) -> None:
+    time.sleep(delay / 1000.0)