Combinatorial Logic Combinatorial Logic if – Outputs at a specified time are a function only of the inputs at that time e.g. decoders, multiplexers and adders Output change instantly when input change
在赋值类语句中,经常引用函数来表达常用的运算; function 的结构主要由参量表、说明部分和顺序执行部分构 成,具体结构形式如下 P.276 表 4-35: function function-name ( signal-list) return return-type is declarations and definitions;