Introduction - If you have any usage issues, please Google them yourself
Reference Orange s , in the previous nasm+ bochs built a complete experimental platform to accept keyboard input echo to the program on the screen, the specific requirements are as follows:
• From the upper left corner of the screen to display the character keyboard. You can enter and display a-z, and 0-9 characters.
• support case, including the key combination Shift and Caps Lock in two ways.
• Support the Enter key line feed.
• supported the deletion backspace, backspace if the return on the line must be returned at the last character of the line editing.
• Support Spacebar, and Tab key, wherein if the Tab key to achieve it as a tab character (ie, when using the Tab position input backspace backspace four-frame), you will get extra points.
• Every 20 seconds, clear the screen. Character input display re-start the top left corner of the screen.
• If you press F1 to F5, respectively, switching to a different color output.
• req