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如何在F28035的ADC中断里用汇编写PID程序

做一个控制系统,需要在ADC中断里用汇编语言写PID算法,或者零极点控制,在更新输出值。

还没接触过F28035的汇编。请大侠指示下。

主要是,ADC中断服务函数用C写太慢了。仅仅给2个变量赋值就1us多(60MH在主频),加上平PID算法,就是1个ms级别的了延时了,根本来不及响应。