一种程序，用来把一程序从输入设备读到某种类型的随机存储器中。

A program used to read a program from an input device, and, usually, into some type of random access memory.

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研究了系统的程序指令集、逻辑堆栈和I/O存储器数据类型，实验表明系统具有良好的实时性和可靠性。

Program instruction set, logic stack and data type of I/O memory which are tied up with tasks in the soft-PLC system are analyzed and studied.

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