Keypad based on a 87C752

This schematic is listed here for entertainment value only, it should not be used for anything important. Do not use this for a saleable product. Feel free to pass this on to others in it's entirety. along with this message. No Guarantees implicit or otherwise are implied, your mileage may vary. Don't sue me because you were stupid enough to use this! I take no responsibility for your actions, take some responsibility for your own actions!

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Source code follows.

  • "cinit.src"
  • "debug.src"
  • "getchar.src"
  • "keypad.src"
  • "lcd.src"
  • "putchar.src"
  • "temp.src"
  • "87c752.pdf"
  • "common.inc"

    Tim Corrie (timc@microsoft.com)