Arcana:SRAM map

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Revision as of 22:12, 28 September 2020 by Sarah Shinespark (talk | contribs) (Elaborated on RAM ending ranges.)
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This contains the format for an Arcana save file. Each file takes up $500 bytes, and has a copy for protection. They are tranferred 8 bytes at a time via MVN at $00/CAB6, which uses X= RAM address, Y= SRAM address, A= # bytes to copy The file is saved twice and a ton of checksums are written by looping through the data at least 20 times.

File ranges

Slot 1 0100-05FF, 1100-15FF
Slot 2 0600-0AFF, 1600-1AFF
Slot 3 0B00-0FFF, 1B00-1FFF

Save file format

This assumes Slot 1. Add $0500 for Slot 2, and $0A00 for Slot 3.

Bytes Address Description
100-107 $11C3-11CA Party Condition word: Rooks, Spirit, Guest1, Guest2
(odd bytes: 00 Satisfactory, 01 Deceased, 02 Not here, 03 Paralyzed, 04 Petrified, 05 Confused, 06 Sleeping)
(even bytes: 01 indicates a party member)
108-10F $11DB-11E2 Copy of $11C3?
110-117 $11F3-11FA Party order
118-11F $1223-122A Stats: Attack (Rooks, Spirit, Guest1, Guest2)
120-127 $123B-1242 Stats: Intelligence (Rooks, Spirit, Guest1, Guest2)
128-12F $1253-125A Stats: Endurance (Rooks, Spirit, Guest1, Guest2)
130-137 $126B-1272 Stats: Alertness (Rooks, Spirit, Guest1, Guest2)
138-13F $1283-128A Equipped weapons
140-147 $129B-12A2 Equipped armors
148-14F $12B3-12BA Equipped accessories
150-157 $12CB-12D2 Equipped rings
158-15F $12F3-12FA Stats: Party current HP (Rooks, Spirit, Guest1, Guest2)
160-167 $130B-1312 Copy of $12F3
168-16F $1323-132A Stats: Party current MP (Rooks, Spirit, Guest1, Guest2)
170-177 $133B-1342 Copy of $1323
178-17F $1353-135A Stats: Spirits' current HP (Sylph, Dao, Marid, Efrite)
180-187 $135B-1362 Stats: Spirits' current MP (Sylph, Dao, Marid, Efrite)
188-18F $1363-136A Stats: Party EXP (Rooks, Spirit, Guest1, Guest2) (Spirit uses Rooks' EXP/LV)
190-197 $137B-1382 Stats: Party LV (Rooks, Spirit, Guest1, Guest2)
198-19F $1393-139A Stats: Party max HP (Rooks, Spirit, Guest1, Guest2)
1A0-1A7 $139B-13A2 Stats: Party max MP (Rooks, Spirit, Guest1, Guest2)
1A8-1A9 $13A7-13A8 00 00 (Unused?)
1AA-1B9 $13A9-13B8 (16 bytes) Card inventory (2 bytes each, ID/quantity, 8 slots)
1BA-219 $13B9-1418 (96 bytes) Item inventory (2 bytes each, 48 slots)
21A-259 $1419-1458 (64 bytes) Equipment inventory (2 bytes each, ID/User)
25A-299 $1459-1498 (64 bytes) Rooks' spell list (2 bytes per spell, 32 spells per character)
29A-2D9 $1499-14D8 (64 bytes) Current Spirit's spell list (2 bytes per spell, 32 spells per character)
2DA-319 $14D9-1518 (64 bytes) Guest1's spell list (2 bytes per spell, 32 spells per character)
31A-359 $1519-1558 (64 bytes) Guest2's spell list (2 bytes per spell, 32 spells per character)
35A-35B $1559-155A GP
35C-363 $155B-1562 Current party (00 = Rooks; 2 bytes each)
364-365 $1573-1574 ?? (00 or 04) (Checked before changing music, before boss fight)
366-367 $1577-1578 Window color (Bit depth: 0BBB B0GG GG0R RRR0)
368-369 $18CD-18CE Chapter # (01-05)
36A-36B $18DF-18E0 ??
36C-373 $18E3-18EA Treasure chests opened
370-374 $18FF-1900 ??
376-377 $16F7-16F8 Dungeon X pos
378-379 $16F9-16FA Dungeon Y pos
37A-37B $16FB-16FC Dungeon compass facing
37D-37E $187F-1880 ??
37F $1881-1882 ??
380-43F $16FF-17BE (192 bytes) Suspected block for dungeon map progress
440-4FF $17BF-187E Suspected block for dungeon map progress
500-51C Suspected save checksums and colossal waste of time
520-5FF Stores 20-FF for some reason