这是我用汇编写的一个打字练习的程序，它能在窗口中随机显示一行字符，输入一行结束时，自动换一行。上面用一个箭头指示所要打的字符，输入正确时显示绿色，错误时显示红色，同时有错误提示音，能用back-space删除字-This is what I used to write a compilation of a typing practice and the procedures it in the window display random characters here, his input at