From 9fbb36769fcb4587843c18fc2c50b76b97597880 Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Fri, 16 Apr 2021 11:20:34 -0400
Subject: [PATCH] mc68hc11: Fix bug causing DES to decrement IX rather than the
 stack pointer

---
 src/devices/cpu/mc68hc11/hc11ops.hxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/devices/cpu/mc68hc11/hc11ops.hxx b/src/devices/cpu/mc68hc11/hc11ops.hxx
index 4f552d73fa9..2429f0b6d57 100644
--- a/src/devices/cpu/mc68hc11/hc11ops.hxx
+++ b/src/devices/cpu/mc68hc11/hc11ops.hxx
@@ -1952,7 +1952,7 @@ void HC11OP(dec_indy)()
 /* DES              0x34 */
 void HC11OP(des)()
 {
-	m_ix--;
+	m_sp--;
 	CYCLES(3);
 }