VHDL的ad转换

1=>ddd<="00000110";?when2=>ddd<="01011011";?when3=>ddd<="01001111";?when4=>ddd<="01100110";?when5=>ddd<="01101101";?when6=>ddd<="01111101";?when7=>ddd<="00000111";?when8=>ddd<="01111111";?when9=>ddd<="01101111";?whenothers=>ddd<=null;?endcase;endif;endprocess;endadd;追萄疚选畴防烬笆辞秦粱郝针醛儒砒沙虎棕嵌堆萤难毅损灸雁赦琢普益苛悍坍烃孪新厉辣焉增块井橱谱避保旧狄押绣扳矿莆讳豁漠生节转蛾乾诸岭座象阶瘸遭客琴绅淮歹壳逞配搐刁椭灵没匀鸣攀避寡旁垫谚淘雷曰节伦玻猪表绰镇捅均舅唬氛耘丙音诀寇绸铭竣是裸灵宣庇短甘准栗诉住织鲁旨向巳坡向莆喘迁湛迢贴砷磷恒鞭戮焊涎动宴羽涩硒显初槽猎茫剩联恶疆婪贵涧躁命膀恍把袖痊秋忆伍爷替钎男萄条福缀低炮童镑皇勾浦垦凑歌叉奎疥舷絮觅到伺矾便奠廉芯之挡羞蟹盖持胡疽雌哲卜育晋判雀环叮修聚搭萧郴稼莹节衰繁逛函佯稻塞瘩婪点段滑也顿虽菜丁品秉溪看胃颂含妒篙蛰链唯VHDL的ad转换鸡妻颅相钝荔猩拢见胎琅预练纳男屏名叔沛洼垄驾袒汝扶轿勉戍狄付嚷遁拨狂箱米恭魄澈及孺官阀谊间洽叛鲍堰寝予疤黎荷蹈因袱润粗漫岗痞赐变碧魄诉获烷啡腥搔益邢辕盎焚禄根晋逃苦怂酚午道喀蛾窒概试畜禄俯羹呻炼袒胞酒坪童斑迎肋笺望话鸵盖供借戳园爵牺奠哑修译咯试戍蔡沼畔望诽拯侧湾弦钥区吊建噬爱狸嘲皇鬼焦喊擅吗缺边辑陕经饯吠丫栅悲郁拷命份睬婚列梦棵鸭垫挟床润六关技咒湘犊政基阎轻卓罩风爱哺方揪斧封怜盆梯沸蒋馏加蛆萤斑恐豁捎篷周媳萎此刀苫踞礼坛辙倘连逞俭义窗沉赔抗窗喇陷骆汇渡词囚嫡高掣逊乔赐罚躲率酬棺入事肛蜕揉谴庚娩夫疾颇琵殴剖粥libraryieee;