scmJS docs

UNIS

Unit settings for the original game. For each unit type that does not use the game's own values: hit points, shields, armour, build time, costs, name and weapon damage. Brood War reads UNIx instead.

Name UNIS (55 4E 49 53)
Size 4048 bytes.
Read by The game.
Required In a StarCraft 1.00 or hybrid file (VER below 205).
More than one copy Only the last copy counts.
In scmJS Read, and written again when you change what it holds.

Layout:

Offset Type Holds
0 u8 × 228 Per unit type: 1 to use the game's own values and ignore the rest of this section
228 u32 × 228 Hit points × 256
1140 u16 × 228 Shields
1596 u8 × 228 Armour
1824 u16 × 228 Build time, in game frames
2280 u16 × 228 Mineral cost
2736 u16 × 228 Gas cost
3192 u16 × 228 Name, a string number; 0 for the default name
3648 u16 × 100 Per weapon: base damage
3848 u16 × 100 Per weapon: damage added by each upgrade level