1 files changed, 38 insertions, 0 deletions
diff --git a/src/cpu/alu_exit_exception.rs b/src/cpu/alu_exit_exception.rs
new file mode 100644
index 0000000..de9f238
--- /dev/null
+++ b/src/cpu/alu_exit_exception.rs
@@ -0,0 +1,38 @@
+/*
+	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/>.
+*/
+
+macro_rules! alu_exit_exception {
+	($self: ident, $state: ident, $rd: ident, $block: block) => {{
+		match $rd {
+			0b1111 => {
+				drop($state);
+				$self.exit_exception();
+			},
+
+			_ => {
+				$block;
+			},
+		};
+	}};
+}
+pub(crate) use alu_exit_exception;