It is written in assembly language implementation of a programmable parallel interface experiments, (1) A set 8255A' s work in the way of an output port. (2) a single pulse each time the button produces a positive pulse to generate an interrupt request 8255A. (3) Design interrupt service routine, followed by the output 01H, 02H, 04H, 08H, 10H, 20H, 40H, 80H, so that a light L0 ~ L7.

8255-1_1.asm

• 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．