From bdeb48df1d46cb3b88858a092129341708b1ecc9 Mon Sep 17 00:00:00 2001
From: Keith Bourdon <33245078+celerizer@users.noreply.github.com>
Date: Tue, 31 Dec 2024 13:25:19 -0600
Subject: [PATCH] fix opcode 68/69

---
 emu.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/emu.c b/emu.c
index 83052f9..fca15f6 100644
--- a/emu.c
+++ b/emu.c
@@ -2262,14 +2262,22 @@ H8_OP(op67)
 
 H8_OP(op68)
 {
-  /** MOV.B @ERs, Rd */
-  ms_rd_b(system, er(system, system->dbus.bh), rd_b(system, system->dbus.bl), movb);
+  if (system->dbus.bh & B1000)
+    /** MOV.B Rs, @ERd */
+    rs_md_b(system, *rd_b(system, system->dbus.bl), er(system, system->dbus.bh), movb);
+  else
+    /** MOV.B @ERs, Rd */
+    ms_rd_b(system, er(system, system->dbus.bh), rd_b(system, system->dbus.bl), movb);
 }
 
 H8_OP(op69)
 {
-  /** MOV.W @ERs, Rd */
-  ms_rd_w(system, er(system, system->dbus.bh), rd_w(system, system->dbus.bl), movw);
+  if (system->dbus.bh & B1000)
+    /** MOV.W Rs, @ERd */
+    rs_md_w(system, *rd_w(system, system->dbus.bl), er(system, system->dbus.bh), movw);
+  else
+    /** MOV.W @ERs, Rd */
+    ms_rd_w(system, er(system, system->dbus.bh), rd_w(system, system->dbus.bl), movw);
 }
 
 H8_OP(op6a)