一个求平方的汇编简单程序。从键盘上输入0--9之间的任意一个数字，计算其平方值，并将结果在屏幕上显示出来。-Square for the compilation of a simple procedure. Keyboard input from 0- 9 of any one of the figures between the calculated value of its square, and the results are displayed on the screen.