1 files changed, 30 insertions, 0 deletions
diff --git a/src/luma/device/thumb.rs b/src/luma/device/thumb.rs
new file mode 100644
index 0000000..130a164
--- /dev/null
+++ b/src/luma/device/thumb.rs
@@ -0,0 +1,30 @@
+/*
+	Copyright 2021-2023 Gabriel Jensen.
+
+	This file is part of Luma.
+
+	Luma is free software: you can redistribute it 
+	and/or modify it under the terms of the GNU 
+	Affero General Public License as published by
+	the Free Software Foundation, either version 3 
+	of the License, or (at your option) any later 
+	version.
+
+	Luma is distributed in the hope that it will be 
+	useful, but WITHOUT ANY WARRANTY; without even 
+	the implied warranty of MERCHANTABILITY or 
+	FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
+	Affero General Public License for more details.
+
+	You should have received a copy of the GNU 
+	Affero General Public License along with Luma. If not, 
+	see <https://www.gnu.org/licenses/>. 
+*/
+
+use crate::luma::device::Device;
+
+impl Device {
+	pub fn thumb(&self) -> bool {
+		return self.cpsr & 0b00000000000000000000000000100000 != 0x0;
+	}
+}