重新添加L和R引脚

shifter_8b/db/shifter_8b.hier_info

@@ -5,6 +5,7 @@ A6 => triple_selector_8b:inst.B6
 A6 => triple_selector_8b:inst.C5
 A7 => triple_selector_8b:inst.B7
 A7 => triple_selector_8b:inst.C6
+R => triple_selector_8b:inst.C7
 A5 => triple_selector_8b:inst.A6
 A5 => triple_selector_8b:inst.B5
 A5 => triple_selector_8b:inst.C4
@@ -22,6 +23,7 @@ A1 => triple_selector_8b:inst.B1
 A1 => triple_selector_8b:inst.C0
 A0 => triple_selector_8b:inst.A1
 A0 => triple_selector_8b:inst.B0
+L => triple_selector_8b:inst.A0
 LM => triple_selector_8b:inst.AY
 DM => triple_selector_8b:inst.BY
 RM => triple_selector_8b:inst.CY