nop insertion added

[calu.git] / cpu / src / decoder_b.vhd

diff --git a/cpu/src/decoder_b.vhd b/cpu/src/decoder_b.vhd
index b0ae0dd787eba34a5effccd7011d6ec2684fafa0..c045d6a8ce2e46d3c7e78ab2f7c82a8f0595b48c 100644 (file)
--- a/cpu/src/decoder_b.vhd
+++ b/cpu/src/decoder_b.vhd
@@ -311,6 +311,9 @@ begin
 
                        instr_s.op_detail(IMM_OPT) := '1';
                end if;
+               instr_s.op_detail(NO_DST_OPT) := '1';
+               instr_s.op_group := ADDSUB_OP;
+               instr_s.op_detail(SUB_OPT) := '1';
 
        end if;