Creature flags in DF memory

Creature or Unit flags

Thanks to ToadyOne for explaining what these bits do.

Checkbox labels

Flags Word 0 (32 bits)

Bit	Integer Value (hex)	DwarfCompanion	Meaning
0	0x00000001	0x1	Can the dwarf move or are they waiting for their movement timer
1	0x00000002	dead?	Dead (might also be set for incoming/leaving critters that are alive)
2	0x00000004	0x4	Currently in mood
3	0x00000008	artifact	Had a mood
4	0x00000010	0x10	"marauder" -- wide class of invader/inside creature attackers
5	0x00000020	0x20	Drowning
6	0x00000040	merch1?	Active merchant
7	0x00000080	caravan guard?	"forest" (used for units no longer linked to merchant/diplomacy, they just try to leave mostly)
8	0x00000100	0x100	Left (left the map)
9	0x00000200	0x200	Rider
10	0x00000400	!unitlist	Incoming
11	0x00000800	liaison?	Diplomat
12	0x00001000	zombie	Zombie
13	0x00002000	skel	Skeleton
14	0x00004000	working?	Can swap tiles during movement (prevents multiple swaps)
15	0x00008000	prone	On the ground (can be conscious)
16	0x00010000	0x1.4	Projectile
17	0x00020000	inv1	Active invader (for organized ones)
18	0x00040000	hidden	Hidden in ambush
19	0x00080000	inv2	Invader origin (could be inactive and fleeing)
20	0x00100000	0x1.5	Will flee if invasion turns around
21	0x00200000	0x2.5	Active marauder/invader moving inward
22	0x00400000	0x4.5	Marauder resident/invader moving in all the way
23	0x00800000	0x8.5	Check against flows next time you get a chance
24	0x01000000	0x1.6	Ridden
25	0x02000000	0x2.6	Caged
26	0x04000000	tame	Tame
27	0x08000000	0x8.6	Chained
28	0x10000000	r.guard	Royal guard
29	0x20000000	f.guard	Fortress guard
30	0x40000000	0x4.7	Suppress wield for beatings/etc
31	0x80000000	0x8.7	Is an important historical figure

Flags Word 1 (32 bits)

Bit	Integer Value (hex)	DwarfCompanion	Meaning
0	0x00000001	0x1b	Swimming
1	0x00000002	0x2b	Play combat for sparring
2	0x00000004	0x4b	Do not notify about level gains (for embark etc)
3	0x00000008	0x8b	Unused
4	0x00000010	0x10b	Nerves calculated
5	0x00000020	0x20b	Body part info calculated
6	0x00000040	0x4b	Is important historical figure (slight variation)
7	0x00000080	dead	Has been killed by kill function (slightly different from dead, not necessarily violent death)
8	0x00000100	vanish	Must be forgotten by forget function (just cleanup)
9	0x00000200	0x200b	Must be deleted (cleanup)
10	0x00000400	0x400b	Recently forgotten (cleanup)
11	0x00000800	0x800b	Offered for trade
12	0x00001000	0x1000b	Trade resolved
13	0x00002000	winded?	Has breaks
14	0x00004000	0x4000b	Gutted
15	0x00008000	ground	Circulatory spray
16	0x00010000	flying	Locked in for trading (it's a projectile on the other set of flags, might be what the flying was)
17	0x00020000	slaughter	Marked for slaughter
18	0x00040000	underwrld	Underworld creature
19	0x00080000	can't eat	Current resident
20	0x00100000	0x1.5b	Marked for special cleanup as unused load from unit block on disk
21	0x00200000	0x2.5b	Insulation from clothing calculated
22	0x00400000	0x4.5b	Uninvited guest
23	0x00800000	visitor?	Visitor
24	0x01000000	0x1.6b	Inventory order calculated
25	0x02000000	0x2.6b	Vision -- have good part
26	0x04000000	0x4.6b	Vision -- have damaged part
27	0x08000000	0x8.6b	Vision -- have missing part
28	0x10000000	0x1.7b	Breathing -- have good part
29	0x20000000	winded?	Breathing -- having a problem
30	0x40000000	0x4.7b	Roaming wilderness population source
31	0x80000000	tame2	Roaming wilderness population source -- not a map feature