模型机综合设计之一——加减法指令的实现《二》在HKCPT中，输入一段小程序，并且编译、加载到实验平台中，实现普通的加、减法指令。-One integrated design model aircraft- add and subtract instructions to the realization of　two　in HKCPT, enter a small process and compile, loaded into the experimental platform to achieve common Canada and subtraction instruction.