From 9ecb9f8f87eb2206beb48c732fb1d324d8fc8bcd Mon Sep 17 00:00:00 2001
From: Parker TenBroeck <51721964+ParkerTenBroeck@users.noreply.github.com>
Date: Fri, 13 Mar 2026 19:09:33 -0400
Subject: [PATCH] autoflush

---
 libvhdl_conn/src/lib.rs | 2 +-
 relay/src/build.rs      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libvhdl_conn/src/lib.rs b/libvhdl_conn/src/lib.rs
index 9f8a885..aecc23c 100644
--- a/libvhdl_conn/src/lib.rs
+++ b/libvhdl_conn/src/lib.rs
@@ -86,7 +86,7 @@ pub extern "C" fn ffi_set_outputs(led: u32, segv: u32, segs: u32) {
 
     if let Some(place) = STATE.segs.get(segs as usize) {
         let seg = place.swap(segv, Ordering::Relaxed) != segv;
-        to_set |= (seg as u32 + 1) << segs
+        to_set |= (seg as u32) << (segs+1)
     }
 
     STATE.updated.fetch_or(to_set, Ordering::Relaxed);
diff --git a/relay/src/build.rs b/relay/src/build.rs
index 14f59db..33f3f84 100644
--- a/relay/src/build.rs
+++ b/relay/src/build.rs
@@ -129,7 +129,7 @@ async fn build_with_verilator(
 
     let mut cmd = Command::new("verilator");
     cmd.kill_on_drop(true);
-    cmd.args(["--cc", "--exe", "--top-module", "circuit", "--Mdir"]);
+    cmd.args(["--cc", "--exe", "--autoflush", "--top-module", "circuit", "--Mdir"]);
     cmd.arg(&obj_dir);
     cmd.args(["-o", "tb"]);
     cmd.args([