{
  "_notes": "Williams System 6, 6808 CPU at 895kHz, 256 byte RAM, 256 4-bit NVRAM, 3x2KB+3x512B ROM",
  "cpu": "6808",
  "endian": "big",
  "memory_layout": [
    {
      "label": "RAM",
      "address": "0x0000",
      "size": "0x100",
      "type": "ram"
    },
    {
      "label": "NVRAM",
      "address": "0x0100",
      "size": "0x100",
      "type": "nvram",
      "nibble": "low"
    },
    {
      "label": "ROM (IC21)",
      "address": "0x6000",
      "size": "0x200",
      "type": "rom"
    },
    {
      "label": "ROM (IC22)",
      "address": "0x6200",
      "size": "0x200",
      "type": "rom"
    },
    {
      "label": "ROM (IC26)",
      "address": "0x6400",
      "size": "0x200",
      "type": "rom"
    },
    {
      "label": "ROM (IC14)",
      "address": "0x6800",
      "size": "0x800",
      "type": "rom"
    },
    {
      "label": "ROM (IC20)",
      "address": "0x7000",
      "size": "0x800",
      "type": "rom"
    },
    {
      "label": "ROM (IC17)",
      "address": "0x7800",
      "size": "0x800",
      "type": "rom"
    }
  ]
}