diff --git a/cores/mist/TG68KdotC_Kernel.vhd b/cores/mist/TG68KdotC_Kernel.vhd
index 876376a..4df6c55 100644
--- a/cores/mist/TG68KdotC_Kernel.vhd
+++ b/cores/mist/TG68KdotC_Kernel.vhd
@@ -1133,11 +1133,15 @@ PROCESS (clk, IPL, setstate, state, exec_write_back, set_direct_data, next_micro
 			end if;
 			nextpass <= '0';
 
+		  elsif setopcode='1' THEN
+			opcode <= X"4E71";		--nop
+			
 		  elsif setinterrupt = '1' then
 			opcode(15 downto 12) <= X"7"; --moveq
 			opcode(8 downto 6) <= "001"; --word
 			nextpass <= '0';
 		  else
+		  
 			-- if setnextpass='1' or (regdirectsource='1' and state="00") then
 			if setnextpass = '1' or regdirectsource = '1' then
 			  nextpass <= '1';