! style="background:rgb(204,204,204)" align="center" | Offset
! style="background:rgb(204,204,204)" align="center" | Length
! style="background:rgb(204,204,204)" align="center" colspan="2" | Description
|-
| 66
| 1 bite
| colspan="2" | Escape from 1st reactor progress.<br />0x01: after scroll at start of map MD8_2 (maybe unneded).<br />0x02: after people panic on MD8_3 is over to never show it again.
|-
|style="background:rgb(255,255,204)" | 74
|style="background:rgb(255,255,204)" | 1 byte
|style="background:rgb(255,255,204)" | Number of occupied stables
|-
|
| 1 byte
| colspan="2" | Mask of occupied stables
|-
|style="background:rgb(255,255,204)" | 91
| 111
| 1 bite
| colspan="2" | Aeris flower quest progress.<br />0x01: if we buy flower from Aeris.
|-
| 127
| 1 bite
| colspan="2" | Current room in TUNNEL_1. From 1 to 6. If less then 1 then we go to TUNNEL_3. If 6 then to TUNNEL_2. Used instead of duplicating tunnel rooms. Start room set during mission 5 reactor train minigame.
|-
| 208
| 1 bite
| colspan="2" | MDS7PLR1 event flags.<br />0x01: when everyone run to hideout.<br />0x02: when talk to man to view pillar to call. This will run special event script when return to this map. Remove this bit after script is called.<br />0x04: when Barret return to map and call us again.<br />0x08: ater return to this map after seeing pillar.<br />0x10: after talking to right soldier twice (before mission in 5th reactor).
|-
| 223
| 1 bite
| colspan="2" | Midgard train flags.<br />0x01: when we talk to Biggs on way to sector 7.<br />0x02: when we talk to Wedge twice on way to sector 7.<br />0x04: when talk to Jessie, before look at map.<br />0x10: this bit is checked on ROOTMAP and TIN_1, though it doesn't use ingame.
|}
