Design task and requirements of 1. 8 8255 then switch K1 ~ K8, do flower keystrokes. 2. To control the speaker 8253, the use of simple keyboard, issued by the corresponding scale. Requirements: K1-mute K2-fa si audio 493HzK3-fa la s sound of 440HzK4-fa sol fa fa sound 392HzK5-audio 349HzK6-fa mi fa 329HzK7-sound re audio 293HzK8-fat, do the 261Hz tone

h[1][1].asm.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．