return added
[calu.git] / cpu / src / alu_b.vhd
index de8980d67866bc865dac894842392ba651093736..60d33530cd242e702820d210d48013b33f2efcb9 100755 (executable)
@@ -41,7 +41,7 @@ begin
        shift_inst : entity work.exec_op(shift_op)\r
        port map(clk,reset,left_o, right_o, op_detail, alu_state, shift_result);\r
 \r
-calc: process(left_operand, right_operand,displacement, cond, op_group, op_detail ,alu_state,and_result,add_result,or_result,xor_result,shift_result, prog_cnt,brpr, pval)\r
+calc: process(left_operand, right_operand,displacement, cond, op_group, op_detail ,alu_state,and_result,add_result,or_result,xor_result,shift_result, prog_cnt,brpr, pval, pval_nxt)\r
        variable result_v : alu_result_rec;\r
        variable res_prod : std_logic;\r
        variable cond_met : std_logic;\r
@@ -152,9 +152,12 @@ begin
                \r
                addr <= pval;\r
                data <= prog_cnt_nxt;\r
-               -- if(op_detail(RET_OPT) = '1' then\r
-                       -- null;\r
-               -- end if;\r
+               if op_detail(RET_OPT) = '1' then\r
+                       addr <= pval_nxt;\r
+                       mem_en := '0';\r
+                       pinc_v := '0';\r
+                       res_prod := '0';\r
+               end if;\r
                \r
        end case;\r
        \r