8259A interrupt a SP experiment each button pressed, resulting in an interruption of the signal sent to the 8259A interrupt request, in the interruption of program instructions, such as the turn of the LED lit and extinguished. At the same time, digital tube displays 8259-A03 .

8259.txt

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．