bendns' repos / mindus
mindustry logic execution, map- and schematic- parsing and rendering
Diffstat (limited to 'lemu/src/instructions/mod.rs')
-rw-r--r--lemu/src/instructions/mod.rs40
1 files changed, 40 insertions, 0 deletions
diff --git a/lemu/src/instructions/mod.rs b/lemu/src/instructions/mod.rs
index ddca3a0..b4fc0aa 100644
--- a/lemu/src/instructions/mod.rs
+++ b/lemu/src/instructions/mod.rs
@@ -106,6 +106,7 @@ pub enum Instr {
Print(io::Print),
Stop(Stop),
PackColor(PackColor),
+ Select(Select),
End(End),
}
@@ -125,6 +126,7 @@ impl Printable for Instr {
Self::Stop(i) => i.print(info, f),
Self::End(i) => i.print(info, f),
Self::PackColor(i) => i.print(info, f),
+ Self::Select(i) => i.print(info, f),
}
}
}
@@ -441,3 +443,41 @@ impl Printable for PackColor {
)
}
}
+#[derive(Debug, Copy, Clone)]
+pub struct Select {
+ pub op: for<'v> fn(&LVar<'v>, &LVar<'v>) -> bool,
+ pub(crate) to: LAddress,
+
+ pub x: LAddress,
+ pub y: LAddress,
+
+ pub a: LAddress,
+ pub b: LAddress,
+}
+
+impl LInstruction for Select {
+ fn run<W: Write>(&self, exec: &mut ExecutorContext<'_, W>) -> Flow {
+ *exec.get_mut(self.to) = if (self.op)(exec.get(self.x), exec.get(self.y)) {
+ exec.get(self.a)
+ } else {
+ exec.get(self.b)
+ }
+ .clone();
+ Flow::Continue
+ }
+}
+
+impl Printable for Select {
+ fn print(&self, info: &DebugInfo<'_>, f: &mut impl fmt::Write) -> fmt::Result {
+ write!(
+ f,
+ "select {} {} {} {} {} {}",
+ info[self.to],
+ ConditionOp::try_from(self.op).unwrap(),
+ info[self.x],
+ info[self.y],
+ info[self.a],
+ info[self.b]
+ )
+ }
+}