(kicad_sch (version 20211123) (generator eeschema)
  (paper "B")
  (lib_symbols
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      (property "Reference" "U" (id 0) (at -13.97 35.56 0))
      (property "Value" "Z80CPU" (id 1) (at 6.35 35.56 0))
      (property "Footprint" "" (id 2) (at 0 10.16 0))
      (property "Datasheet" "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" (id 3) (at 0 10.16 0))
      (property "ki_keywords" "Z80 CPU uP" (id 4) (at 0 0 0))
      (property "ki_description" "8-bit General Purpose Microprocessor, DIP-40" (id 5) (at 0 0 0))
      (property "ki_fp_filters" "DIP* PDIP*" (id 6) (at 0 0 0))
      (symbol "Z80CPU_0_1"
        (rectangle (start -13.97 34.29) (end 13.97 -34.29)
          (fill (type background))
        )
      )
      (symbol "Z80CPU_1_1"
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          (name "A11")
          (number "1")
        )
        (pin bidirectional line (at 17.78 -27.94 180) (length 3.81)
          (name "D6")
          (number "10")
        )
        (pin power_in line (at 0 38.1 270) (length 3.81)
          (name "VCC")
          (number "11")
        )
        (pin bidirectional line (at 17.78 -17.78 180) (length 3.81)
          (name "D2")
          (number "12")
        )
        (pin bidirectional line (at 17.78 -30.48 180) (length 3.81)
          (name "D7")
          (number "13")
        )
        (pin bidirectional line (at 17.78 -12.7 180) (length 3.81)
          (name "D0")
          (number "14")
        )
        (pin bidirectional line (at 17.78 -15.24 180) (length 3.81)
          (name "D1")
          (number "15")
        )
        (pin input line (at -17.78 12.7 0) (length 3.81)
          (name "~{INT}")
          (number "16")
        )
        (pin input line (at -17.78 15.24 0) (length 3.81)
          (name "~{NMI}")
          (number "17")
        )
        (pin output line (at -17.78 -2.54 0) (length 3.81)
          (name "~{HALT}")
          (number "18")
        )
        (pin output line (at -17.78 -17.78 0) (length 3.81)
          (name "~{MREQ}")
          (number "19")
        )
        (pin output line (at 17.78 0 180) (length 3.81)
          (name "A12")
          (number "2")
        )
        (pin output line (at -17.78 -20.32 0) (length 3.81)
          (name "~{IORQ}")
          (number "20")
        )
        (pin output line (at -17.78 -12.7 0) (length 3.81)
          (name "~{RD}")
          (number "21")
        )
        (pin output line (at -17.78 -15.24 0) (length 3.81)
          (name "~{WR}")
          (number "22")
        )
        (pin output line (at -17.78 -30.48 0) (length 3.81)
          (name "~{BUSACK}")
          (number "23")
        )
        (pin input line (at -17.78 0 0) (length 3.81)
          (name "~{WAIT}")
          (number "24")
        )
        (pin input line (at -17.78 -27.94 0) (length 3.81)
          (name "~{BUSRQ}")
          (number "25")
        )
        (pin input line (at -17.78 30.48 0) (length 3.81)
          (name "~{RESET}")
          (number "26")
        )
        (pin output line (at -17.78 5.08 0) (length 3.81)
          (name "~{M1}")
          (number "27")
        )
        (pin output line (at -17.78 2.54 0) (length 3.81)
          (name "~{RFSH}")
          (number "28")
        )
        (pin power_in line (at 0 -38.1 90) (length 3.81)
          (name "GND")
          (number "29")
        )
        (pin output line (at 17.78 -2.54 180) (length 3.81)
          (name "A13")
          (number "3")
        )
        (pin output line (at 17.78 30.48 180) (length 3.81)
          (name "A0")
          (number "30")
        )
        (pin output line (at 17.78 27.94 180) (length 3.81)
          (name "A1")
          (number "31")
        )
        (pin output line (at 17.78 25.4 180) (length 3.81)
          (name "A2")
          (number "32")
        )
        (pin output line (at 17.78 22.86 180) (length 3.81)
          (name "A3")
          (number "33")
        )
        (pin output line (at 17.78 20.32 180) (length 3.81)
          (name "A4")
          (number "34")
        )
        (pin output line (at 17.78 17.78 180) (length 3.81)
          (name "A5")
          (number "35")
        )
        (pin output line (at 17.78 15.24 180) (length 3.81)
          (name "A6")
          (number "36")
        )
        (pin output line (at 17.78 12.7 180) (length 3.81)
          (name "A7")
          (number "37")
        )
        (pin output line (at 17.78 10.16 180) (length 3.81)
          (name "A8")
          (number "38")
        )
        (pin output line (at 17.78 7.62 180) (length 3.81)
          (name "A9")
          (number "39")
        )
        (pin output line (at 17.78 -5.08 180) (length 3.81)
          (name "A14")
          (number "4")
        )
        (pin output line (at 17.78 5.08 180) (length 3.81)
          (name "A10")
          (number "40")
        )
        (pin output line (at 17.78 -7.62 180) (length 3.81)
          (name "A15")
          (number "5")
        )
        (pin input clock (at -17.78 22.86 0) (length 3.81)
          (name "~{CLK}")
          (number "6")
        )
        (pin bidirectional line (at 17.78 -22.86 180) (length 3.81)
          (name "D4")
          (number "7")
        )
        (pin bidirectional line (at 17.78 -20.32 180) (length 3.81)
          (name "D3")
          (number "8")
        )
        (pin bidirectional line (at 17.78 -25.4 180) (length 3.81)
          (name "D5")
          (number "9")
        )
      )
    )
    (symbol "Device:C_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
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      (property "Value" "C_Small" (id 1) (at 0.254 -2.032 0))
      (property "Footprint" "" (id 2) (at 0 0 0))
      (property "Datasheet" "~" (id 3) (at 0 0 0))
      (property "ki_keywords" "capacitor cap" (id 4) (at 0 0 0))
      (property "ki_description" "Unpolarized capacitor, small symbol" (id 5) (at 0 0 0))
      (property "ki_fp_filters" "C_*" (id 6) (at 0 0 0))
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          (number "2")
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      )
    )
    (symbol "Device:LED_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
      (property "Reference" "D?" (id 0) (at -0.0635 6.35 0))
      (property "Value" "LED" (id 1) (at 5.08 1.27 0))
      (property "Footprint" "" (id 2) (at 0 0 90))
      (property "Datasheet" "~" (id 3) (at 0 0 90))
      (property "ki_keywords" "LED diode light-emitting-diode" (id 4) (at 0 0 0))
      (property "ki_description" "Light emitting diode, small symbol" (id 5) (at 0 0 0))
      (property "ki_fp_filters" "LED* LED_SMD:* LED_THT:*" (id 6) (at 0 0 0))
      (symbol "LED_Small_0_1"
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          (number "1")
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        (pin passive line (at 2.54 0 180) (length 1.778)
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          (number "2")
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    )
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      (property "Datasheet" "~" (id 3) (at 0 0 0))
      (property "ki_keywords" "r resistor" (id 4) (at 0 0 0))
      (property "ki_description" "Resistor, small US symbol" (id 5) (at 0 0 0))
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    )
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      (property "ki_keywords" "switch normally-open pushbutton push-button" (id 4) (at 0 0 0))
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          (fill (type none))
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    )
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  (text "A 0.1µF ceramic capacitor should be placed as close as \npossible to the +5V (Pin 11) and GND (Pin 29) of the Z80"
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  )
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    (property "Footprint" "" (id 2) (at 132.08 55.88 90))
    (property "Datasheet" "~" (id 3) (at 132.08 55.88 90))
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