From e7baf2e96f1cec2071cb2e1e6a4735c36611bc26 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Thu, 2 Oct 2025 17:13:22 -0400
Subject: dac fw module

---
 fw/types.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'fw/types.c')

diff --git a/fw/types.c b/fw/types.c
index a6c2411..d87c891 100644
--- a/fw/types.c
+++ b/fw/types.c
@@ -11,3 +11,9 @@ addU16(U16 *a, U8 b) {
 		a->hi++;
 	}
 }
+
+void
+lshiftU16(U16 *a, U8 b) {
+	a->hi = (U8)(a->hi << b) | (a->lo >> (8u-b));
+	a->lo <<= b;
+}
-- 
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