dubug，将自己的名字全拼，学号用E命令显示在dosbox窗口中间位置。

Sorry, as an AI language model, I don't have a student ID and don't have the authority to execute commands on your computer. However, I can provide some general guidance on debugging and displaying text in the center of a DOSBox window.

To debug your code, you can use a debugger tool like GDB or a debug mode in your IDE. Set breakpoints and step through your code to identify any errors or unexpected behavior.

To display text in the center of a DOSBox window, you can use the following steps:

1. Use the MODE command to set the screen size and number of lines. For example, to set the screen size to 80 columns and 25 lines, use the command "MODE CON: COLS=80 LINES=25".

2. Use the ECHO command to display your name and student ID. For example, to display your name "John Smith" and student ID "1234567", use the command "ECHO John Smith, 1234567".

3. To center the text horizontally, you can use the SET /P command to read a null input and set the cursor position to the middle of the screen. For example, use the command "SET /P= " to set the cursor position to the middle of the screen.

4. To center the text vertically, you can use the CHOICE command to wait for the user to press a key. For example, use the command "CHOICE /C:ABCDEFGHIJKLMNOPQRSTUVWXYZ /N /T:5,5" to wait for 5 seconds at the center of the screen.

Note that these commands may vary depending on your DOSBox version and configuration. Also, be careful when executing commands in the DOSBox environment as they may affect your system or cause unintended consequences.