{
 "_comment": "Structure of the title picture, which the boot loader displays while the game loads.",
 "unitLabels": {
  "boot/titleColorRam9800": {
   "9800": "titleColorRam",
   "9BE8": "titleColorRamPadding"
  },
  "boot/titleScreenRam9C00": {
   "9C00": "titleScreenRam",
   "9FE8": "titleScreenRamPadding"
  },
  "boot/titleBitmapA000": {
   "A000": "titleBitmap",
   "BF40": "titleBitmapPadding"
  }
 },
 "notes": {
  "9800": {
   "unit": "boot/titleColorRam9800",
   "block": [
    "titleColorRam - 1000 bytes, one per character cell of the 40x25 screen, copied to $D800-$DBE7 by",
    "bootShowTitlePicture. In multicolour bitmap mode the low nibble of each byte gives the colour of",
    "the %11 pixel pairs in that cell. One screen row of 40 cells per line below."
   ]
  },
  "9BE8": {
   "unit": "boot/titleColorRam9800",
   "block": [
    "Padding to the end of the page; not copied to colour RAM."
   ]
  },
  "9C00": {
   "unit": "boot/titleScreenRam9C00",
   "block": [
    "titleScreenRam - 1000 bytes, one per character cell, copied to $8C00 by bootShowTitlePicture",
    "(with $D018 = $38 and VIC bank 2 the video matrix sits at $8C00). In multicolour bitmap mode the",
    "high nibble gives the colour of the %01 pixel pairs and the low nibble that of the %10 pairs.",
    "One screen row of 40 cells per line below."
   ]
  },
  "9FE8": {
   "unit": "boot/titleScreenRam9C00",
   "block": [
    "Padding to the end of the page; not part of the video matrix."
   ]
  },
  "A000": {
   "unit": "boot/titleBitmapA000",
   "block": [
    "titleBitmap - 8000 bytes of multicolour bitmap, stored the way the VIC reads it: 25 rows of 40",
    "character cells, 8 consecutive bytes per cell (one byte per pixel row of that cell), so each line",
    "below is one 8x8 cell. Every byte holds four 2-bit pixels: 00 takes the background colour $D021,",
    "01 and 10 take the two nibbles of titleScreenRam and 11 takes the low nibble of titleColorRam.",
    "docs/titleScreen.png is this data decoded."
   ]
  },
  "BF40": {
   "unit": "boot/titleBitmapA000",
   "block": [
    "Padding after the 8000 bitmap bytes, to the end of the loaded file at $BFFF."
   ]
  }
 },
 "unitDataTypes": {
  "boot/titleColorRam9800": {
   "9800": [
    "grid",
    1000,
    40
   ],
   "9BE8": [
    "grid",
    24,
    24
   ]
  },
  "boot/titleScreenRam9C00": {
   "9C00": [
    "grid",
    1000,
    40
   ],
   "9FE8": [
    "grid",
    24,
    24
   ]
  },
  "boot/titleBitmapA000": {
   "A000": [
    "grid",
    8000,
    8
   ],
   "BF40": [
    "grid",
    192,
    24
   ]
  }
 }
}