HeroQuest EXE File

Theruler — Fri, 26 Jun 2026 17:15:37 GMT

Various

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	0x00DCC9: 4 words for sprite direction codification FF00=South ecc..		0x00DCC9: 4 words for sprite direction codification FF00=South ecc..
	0x00DF95: Sequence of 11 groups of 4 bytes used for teleportation in "castle of mistery" quest (Room, X, Y, door direction that could be 00,01,1A)		0x00DF95: Sequence of 11 groups of 4 bytes used for teleportation in "castle of mistery" quest (Room, X, Y, door direction that could be 00,01,1A)
	0x00DFDC: Sequence of 21 groups of 6 words used to define furniture (first word: X,Y dimension of the frame - second word: Y,X offset in pixels from the origin tile - third word: offset of the frame in FURN.VGA)		0x00DFDC: Sequence of 21 groups of 3 words used to define furniture (first word: X,Y dimension of the frame - second word: Y,X offset in pixels from the origin tile - third word: offset of the frame in FURN.VGA)
	0x00E05B: Group of 4 offsets for the walls graphics in graphics.vga (2 wariations of the left wall and 2 of the right wall).		0x00E05B: Group of 4 offsets for the walls graphics in graphics.vga (2 wariations of the left wall and 2 of the right wall).
	0x00E062: 26 bytes (00 or 01) used for wall variations based on ROOM tile position number (see diamond scheme above). Basically each position has its own fixed wall texture that is displayed only if a wall is present.		0x00E062: 26 bytes (00 or 01) used for wall variations based on ROOM tile position number (see diamond scheme above). Basically each position has its own fixed wall texture that is displayed only if a wall is present.
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	0x00E536: Sequence of 30h index in maps.vga that assign names of the object (01=fallen rock, 00=all traps or hidden objects with no name, 03=Stairs) in OBJECT BLOCK order.		0x00E536: Sequence of 30h index in maps.vga that assign names of the object (01=fallen rock, 00=all traps or hidden objects with no name, 03=Stairs) in OBJECT BLOCK order.
	0x00E566: 23h bitmasks that define which object is passable by projectiles		0x00E566: 23h bitmasks that define which object is passable by projectiles
	0x00EE2D: Offsets (12) sequence of object icons in maps.vga (from ID 30 to 3B, 00D1 = fallen rock~~, goblin~~) ~~00D1~~		0x00EE2D: Offsets (12) sequence of object icons in maps.vga (from ID 30 to 3B, 00D1 = fallen rock)
	0x00EE45: Offsets sequence of monster's icons in maps.vga (ID 00 = 40D3 = goblin)		0x00EE45: Offsets sequence of monster's icons in maps.vga (ID 00 = 40D3 = goblin)
			0x00EE95: Sequence of 2Ch memory pointers to the profile of the 2D furnitures icons
			0x00EEC1: Sequence of 2Ch profiles of the 2D furnitures icons that tells how the full picture is composed

	== Intro Sequence ==		== Intro Sequence ==

HeroQuest Quest Format

Nyerguds — Fri, 26 Jun 2026 12:03:50 GMT

Map Layers: More table formatting

← Older revision		Revision as of 12:03, 26 June 2026
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	This block starts at the beginning of the file. The rooms layout determines which area on the map is part of which room. Since the game is limited to showing rooms with a maximum dimension of 6x5, all paths are chopped up into different 'rooms' as well. Rooms have numbers from 0 to 42. A value of 0 means the room is not used. Rooms 1 to 20 (0x14) are the pathways. The remaining range, from 21 to 42 (0x15 to 0x2A), are the main rooms.		This block starts at the beginning of the file. The rooms layout determines which area on the map is part of which room. Since the game is limited to showing rooms with a maximum dimension of 6x5, all paths are chopped up into different 'rooms' as well. Rooms have numbers from 0 to 42. A value of 0 means the room is not used. Rooms 1 to 20 (0x14) are the pathways. The remaining range, from 21 to 42 (0x15 to 0x2A), are the main rooms.

			The room values can have two additional options set, in the upper two bits that are never used by the room number itself. These are not used in any of the existing map files; they are normally set by the game itself during gameplay in the loaded file data. But enabling them in the map file works to accomplish the same effects.

			{\|class="wikitable" style="text-align:center"
			! Bit !! Bin value !! Hex Value !! Effect
			\|-
			\| 7 \|\| 01000000 \|\| 0x40 \|\| style="text-align:left" \| This tile was explored and is visible on the overview map. Normally this is done for entire rooms at once.
			\|-
			\| 8 \|\| 10000000 \|\| 0x80 \|\| style="text-align:left" \| This tile's walls are explored. This is used on the east and south tiles adjacent to explored tiles, to make the overview map draw the outer walls around explored rooms. The game checks which adjacent tiles (north and/or west of the marked tile) are explored to determine which wall should be shown.
			\|}

	The default rooms layout with coordinates:		The default rooms layout with coordinates:
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	Each byte in this block is made up of bit flags that can be combined. However, these bits are not just settings interpreted by the code; the full value made up of these bits also creates the index used to look up the corresponding sprite graphics. Because of this, the unused bit 0x02 can be used to mod alternate graphics into wall tiles, even if it has no real meaning to the game. Here are the meanings of each separate bit:		Each byte in this block is made up of bit flags that can be combined. However, these bits are not just settings interpreted by the code; the full value made up of these bits also creates the index used to look up the corresponding sprite graphics. Because of this, the unused bit 0x02 can be used to mod alternate graphics into wall tiles, even if it has no real meaning to the game. Here are the meanings of each separate bit:

	{\|class="wikitable"		{\| class="wikitable" style="text-align:center"
	! Bin value !! Hex Value !! Effect		! Bit !! Bin value !! Hex Value !! Effect
	\|-		\|-
	\| 00000000 \|\| 0x00 \|\| None		\| -\|\| 00000000 \|\| 0x00 \|\| style="text-align:left" \| None
	\|-		\|-
	\| 00000001 \|\| 0x01 \|\| Do not draw this wall. Doors show up as a frame only. This is done with walls when the area goes around a corner behind the walls, to prevent them from overlapping the floor tiles.		\| 1 \|\| 00000001 \|\| 0x01 \|\| style="text-align:left" \| Do not draw this wall. Doors show up as a frame only. This is done with walls when the area goes around a corner behind the walls, to prevent them from overlapping the floor tiles.
	\|-		\|-
	\| 00000010 \|\| 0x02 \|\| Not used (only appears once in Quest 3) can be used in conjunction with 4th bit to change graphic for opened secret door		\| 2 \|\| 00000010 \|\| 0x02 \|\| style="text-align:left" \| Not used (only appears once in Quest 3) can be used in conjunction with 4th bit to change graphic for opened secret door
	\|-		\|-
	\| 00000100 \|\| 0x04 \|\| The door is Open (can't be applied if secret)		\| 3 \|\| 00000100 \|\| 0x04 \|\| style="text-align:left" \| The door is Open (can't be applied if secret)
	\|-		\|-
	\| 00001000 \|\| 0x08 \|\| The door is Secret (can't be applied if open)		\| 4 \|\| 00001000 \|\| 0x08 \|\| style="text-align:left" \| The door is Secret (can't be applied if open)
	\|-		\|-
	\| 00010000 \|\| 0x10 \|\| Door to the West		\| 5 \|\| 00010000 \|\| 0x10 \|\| style="text-align:left" \| Door to the West
	\|-		\|-
	\| 00100000 \|\| 0x20 \|\| Door to the North		\| 6 \|\| 00100000 \|\| 0x20 \|\| style="text-align:left" \| Door to the North
	\|-		\|-
	\| 01000000 \|\| 0x40 \|\| Wall to the West		\| 7 \|\| 01000000 \|\| 0x40 \|\| style="text-align:left" \| Wall to the West
	\|-		\|-
	\| 10000000 \|\| 0x80 \|\| Wall to the North		\| 8 \|\| 10000000 \|\| 0x80 \|\| style="text-align:left" \| Wall to the North
	\|}		\|}

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HeroQuest EXE File

HeroQuest Quest Format