+ instr_s.op_detail(NO_PSW_OPT) := '1';
+ instr_s.op_detail(DIRECT_JUMP_OPT) := instruction(4);
+ instr_s.int := instruction(4);
+
+ if (instr_s.opcode = "10110") then
+ instr_s.op_detail(IMM_OPT) := '1';
+ else
+ instr_s.immediate(31 downto 0) := (others => '0');
+ instr_s.op_detail(JMP_REG_OPT) := '1';
+ instr_s.op_detail(IMM_OPT) := '1';
+ end if;
+
+ if (instr_s.signext = '1' and instr_s.immediate(15) = '1') then
+ instr_s.immediate(31 downto 16) := (others => '1');
+ end if;
+
+ case instr_s.jmptype is
+ when "00" =>
+ instr_s.op_group := JMP_OP;
+
+ when "01" =>
+ instr_s.op_group := JMP_ST_OP;
+
+ when "10" =>
+ instr_s.op_group := JMP_ST_OP;
+ instr_s.op_detail(RET_OPT) := '1';
+
+ when "11" =>
+ instr_s.op_group := JMP_OP;
+ instr_s.op_detail(JMP_REG_OPT) := '1';
+ instr_s.op_detail(IMM_OPT) := '1';
+ instr_s.immediate := (others => '0');
+
+ when others => null;
+ end case;
+
+-- if (instr_s.jmptype = "00") then
+---- instr_s.op_detail(SUB_OPT) := not instr_s.opcode(0);
+-- instr_s.op_group := JMP_OP;
+-- end if;
+--
+-- if (instr_s.jmptype = "01") then
+-- instr_s.op_group := JMP_ST_OP;
+-- -- instr_s.op_detail(RET_OPT) := '0';
+-- end if;
+--
+-- if (instr_s.jmptype = "10") then
+-- instr_s.op_group := JMP_ST_OP;
+-- instr_s.op_detail(RET_OPT) := '1';
+-- end if;
+--
+-- if (instr_s.jmptype = "11") then
+-- instr_s.op_group := JMP_OP;
+-- instr_s.op_detail(JMP_REG_OPT) := '1';
+-- instr_s.op_detail(IMM_OPT) := '1';
+-- instr_s.immediate := (others => '0');
+-- end if;
+
+ if (instr_s.predicates = "1111" or instr_s.jmptype = "10") then
+ instr_s.bp := '0';
+ end if;