{
  "schema": "digital-logic-sim-web/1",
  "storageId": "full-adder",
  "name": "1-bit Full Adder",
  "createdAt": "2026-08-09T00:00:00.000Z",
  "updatedAt": "2026-08-09T00:00:00.000Z",
  "root": {
    "id": "root",
    "name": "1-bit Full Adder",
    "type": "custom",
    "kind": "custom",
    "size": {
      "x": 800,
      "y": 460
    },
    "colour": "#202b3a",
    "nameLocation": "top",
    "inputPins": [],
    "outputPins": [],
    "instances": [
      {
        "id": "input-a",
        "name": "IN-1",
        "position": {
          "x": -320,
          "y": -120
        },
        "rotation": 0,
        "label": "A",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "input-b",
        "name": "IN-1",
        "position": {
          "x": -320,
          "y": 0
        },
        "rotation": 0,
        "label": "B",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "input-cin",
        "name": "IN-1",
        "position": {
          "x": -320,
          "y": 120
        },
        "rotation": 0,
        "label": "CIN",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "xor-ab",
        "name": "XOR",
        "position": {
          "x": -160,
          "y": -60
        },
        "rotation": 0,
        "label": "A XOR B",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "and-ab",
        "name": "AND",
        "position": {
          "x": -160,
          "y": 60
        },
        "rotation": 0,
        "label": "A AND B",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "xor-sum",
        "name": "XOR",
        "position": {
          "x": 0,
          "y": -60
        },
        "rotation": 0,
        "label": "SUM",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "and-cin",
        "name": "AND",
        "position": {
          "x": 0,
          "y": 60
        },
        "rotation": 0,
        "label": "CIN AND XOR",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "or-carry",
        "name": "OR",
        "position": {
          "x": 160,
          "y": 0
        },
        "rotation": 0,
        "label": "CARRY",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "output-sum",
        "name": "OUT-1",
        "position": {
          "x": 320,
          "y": -60
        },
        "rotation": 0,
        "label": "SUM",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      },
      {
        "id": "output-carry",
        "name": "OUT-1",
        "position": {
          "x": 320,
          "y": 60
        },
        "rotation": 0,
        "label": "CARRY",
        "internalData": {},
        "linkedBusPairId": null,
        "outputPinColours": {}
      }
    ],
    "wires": [
      {
        "id": "a-xor",
        "source": {
          "owner": "input-a",
          "pin": "0"
        },
        "target": {
          "owner": "xor-ab",
          "pin": "0"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "b-xor",
        "source": {
          "owner": "input-b",
          "pin": "0"
        },
        "target": {
          "owner": "xor-ab",
          "pin": "1"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "a-and",
        "source": {
          "owner": "input-a",
          "pin": "0"
        },
        "target": {
          "owner": "and-ab",
          "pin": "0"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "b-and",
        "source": {
          "owner": "input-b",
          "pin": "0"
        },
        "target": {
          "owner": "and-ab",
          "pin": "1"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "xor-sum",
        "source": {
          "owner": "xor-ab",
          "pin": "2"
        },
        "target": {
          "owner": "xor-sum",
          "pin": "0"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "cin-sum",
        "source": {
          "owner": "input-cin",
          "pin": "0"
        },
        "target": {
          "owner": "xor-sum",
          "pin": "1"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "xor-cin-and",
        "source": {
          "owner": "xor-ab",
          "pin": "2"
        },
        "target": {
          "owner": "and-cin",
          "pin": "0"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "cin-and",
        "source": {
          "owner": "input-cin",
          "pin": "0"
        },
        "target": {
          "owner": "and-cin",
          "pin": "1"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "sum-out",
        "source": {
          "owner": "xor-sum",
          "pin": "2"
        },
        "target": {
          "owner": "output-sum",
          "pin": "0"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "ab-carry",
        "source": {
          "owner": "and-ab",
          "pin": "2"
        },
        "target": {
          "owner": "or-carry",
          "pin": "0"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "cin-carry",
        "source": {
          "owner": "and-cin",
          "pin": "2"
        },
        "target": {
          "owner": "or-carry",
          "pin": "1"
        },
        "points": [],
        "colour": null
      },
      {
        "id": "carry-out",
        "source": {
          "owner": "or-carry",
          "pin": "2"
        },
        "target": {
          "owner": "output-carry",
          "pin": "0"
        },
        "points": [],
        "colour": null
      }
    ],
    "junctions": [],
    "displays": [],
    "annotations": [
      {
        "id": "adder-title",
        "type": "label",
        "text": "1-BIT FULL ADDER",
        "position": {
          "x": -150,
          "y": -360
        },
        "width": 300,
        "height": 26,
        "fontSize": 14,
        "colour": "#f3d36b",
        "background": "#352e18"
      },
      {
        "id": "adder-help",
        "type": "text",
        "text": "Toggle A, B, and CIN.\nSUM = A XOR B XOR CIN\nCARRY = (A AND B) OR (CIN AND (A XOR B))",
        "position": {
          "x": -190,
          "y": -300
        },
        "width": 390,
        "height": 96,
        "fontSize": 11,
        "colour": "#d7eaff",
        "background": "#2f3338"
      }
    ]
  },
  "customChips": {},
  "collections": [
    {
      "name": "LOGIC",
      "chips": [
        "AND",
        "OR",
        "NOT",
        "NAND",
        "NOR",
        "XOR",
        "XNOR",
        "BUFFER"
      ]
    },
    {
      "name": "BASIC",
      "chips": [
        "CLOCK",
        "PULSE",
        "KEY",
        "3-STATE BUFFER"
      ]
    },
    {
      "name": "IN/OUT",
      "chips": [
        "IN-1",
        "IN-4",
        "IN-8",
        "OUT-1",
        "OUT-4",
        "OUT-8"
      ]
    },
    {
      "name": "MERGE/SPLIT",
      "chips": [
        "1-4BIT",
        "1-8BIT",
        "4-8BIT",
        "4-1BIT",
        "8-4BIT",
        "8-1BIT"
      ]
    },
    {
      "name": "BUS",
      "chips": [
        "BUS-1",
        "BUS-4",
        "BUS-8"
      ]
    },
    {
      "name": "DISPLAY",
      "chips": [
        "7-SEGMENT",
        "DOT DISPLAY",
        "RGB DISPLAY",
        "LED"
      ]
    },
    {
      "name": "MEMORY",
      "chips": [
        "ROM 256x16",
        "dev.RAM-8"
      ]
    },
    {
      "name": "AUDIO",
      "chips": [
        "BUZZER"
      ]
    }
  ],
  "collectionOrder": [
    "LOGIC",
    "BASIC",
    "IN/OUT",
    "MERGE/SPLIT",
    "BUS",
    "DISPLAY",
    "MEMORY",
    "AUDIO",
    "CUSTOM"
  ],
  "starred": [
    "LOGIC",
    "IN-1",
    "OUT-1"
  ],
  "settings": {
    "snapping": true,
    "straightWires": false,
    "grid": true,
    "simulationPaused": true,
    "stepsPerSecond": 8,
    "stepsPerClock": 8
  },
  "inputValues": {
    "input-a": 0,
    "input-b": 0,
    "input-cin": 0
  },
  "keyValues": {}
}