1 files changed, 58 insertions, 0 deletions
diff --git a/src/arm32/thumb_opcode/mod.rs b/src/arm32/thumb_opcode/mod.rs
new file mode 100644
index 0000000..8e603f8
--- /dev/null
+++ b/src/arm32/thumb_opcode/mod.rs
@@ -0,0 +1,58 @@
+// Copyright 2024 Gabriel Bjørnager Jensen.
+//
+// This file is part of Pollex.
+//
+// Pollex is free software: you can redistribute it
+// and/or modify it under the terms of the GNU Af-
+// fero General Public License as published by the
+// Free Software Foundation, either version 3 of
+// the License, or (at your option) any later ver-
+// sion.
+//
+// Pollex 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 Af-
+// fero General Public License along with Pollex.
+// If not, see <https://www.gnu.org/licenses/>.
+
+use core::fmt::{Debug, Display, Formatter};
+
+/// A Thumb opcode.
+#[derive(Clone, Copy, Eq, PartialEq)]
+#[repr(transparent)]
+pub struct ThumbOpcode(u16);
+
+impl ThumbOpcode {
+	/// Creates a new opcode from a primitive.
+	#[inline(always)]
+	#[must_use]
+	pub const fn from_u16(value: u16) -> Self { Self(value.to_le()) }
+
+	/// Extracts the opcode as a primitive.
+	#[inline(always)]
+	#[must_use]
+	pub const fn to_u16(self) -> u16 { self.0.to_le() }
+}
+
+impl Debug for ThumbOpcode {
+	#[inline(always)]
+	fn fmt(&self, f: &mut Formatter) -> core::fmt::Result {
+		write!(f, "{:016b}", self.to_u16())
+	}
+}
+
+impl Display for ThumbOpcode {
+	#[inline(always)]
+	fn fmt(&self, f: &mut Formatter) -> core::fmt::Result {
+		write!(f, "{:#010X}", self.to_u16())
+	}
+}
+
+impl PartialEq<u16> for ThumbOpcode {
+	#[inline(always)]
+	fn eq(&self, other: &u16) -> bool { self.0 == *other }
+}