1 files changed, 68 insertions, 0 deletions
diff --git a/src/arm32/condition/mod.rs b/src/arm32/condition/mod.rs
new file mode 100644
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--- /dev/null
+++ b/src/arm32/condition/mod.rs
@@ -0,0 +1,68 @@
+// Copyright 2021-2024 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::Display;
+
+#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
+#[repr(u8)]
+pub enum Condition {
+ Equal = 0b0000,
+ NotEqual = 0b0001,
+ HigherOrSame = 0b0010,
+ Lower = 0b0011,
+ Minus = 0b0100,
+ Plus = 0b0101,
+ Overflow = 0b0110,
+ NoOverflow = 0b0111,
+ Higher = 0b1000,
+ LowerOrSame = 0b1001,
+ GreaterThanOrEqual = 0b1010,
+ LessThan = 0b1011,
+ GreaterThan = 0b1100,
+ LessThanOrEqual = 0b1101,
+ Always = 0b1110,
+ //Never = 0b1111,
+}
+
+impl Display for Condition {
+ fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
+ use Condition::*;
+
+ match *self {
+ Equal => write!(f, "EQ"),
+ NotEqual => write!(f, "NE"),
+ HigherOrSame => write!(f, "HS"),
+ Lower => write!(f, "LO"),
+ Minus => write!(f, "MI"),
+ Plus => write!(f, "PL"),
+ Overflow => write!(f, "VS"),
+ NoOverflow => write!(f, "VC"),
+ Higher => write!(f, "HI"),
+ LowerOrSame => write!(f, "LS"),
+ GreaterThanOrEqual => write!(f, "GE"),
+ LessThan => write!(f, "LT"),
+ GreaterThan => write!(f, "GT"),
+ LessThanOrEqual => write!(f, "LE"),
+ Always => write!(f, "AL"),
+ //Never => write!(f, "NV"),
+ }
+ }
+}