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Final Fantasy I & II: Dawn of Souls/ROM map: Difference between revisions

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(Adding Chest+Encounter Selection Routines)
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* <tt>05B278-05B533 (0002BC)</tt> = ''Root Map Setup Routine?''
* <tt>05B278-05B533 (0002BC)</tt> = ''Root Map Setup Routine?''
* <tt>05B534-05B9E3 (0004B0)</tt> = '''''Root Encounter Checker and Selector'''''
* <tt>05B534-05B9E3 (0004B0)</tt> = '''''Root Encounter Checker and Selector'''''
     <tt>05B5BE</tt> = Overworld Encounter RN Check
     05B5BE = Overworld Encounter RN Check
     <tt>05B5D8</tt> = OW Type Encounter Handling:
     05B5D8 = OW Type Encounter Handling:
         <tt>05B626</tt> = Normal world map area
         05B626 = Normal world map area
         <tt>05B630</tt> = Rivers
         05B630 = Rivers
         <tt>05B638</tt> = Ocean/shipside
         05B638 = Ocean/shipside
         <tt>05B640</tt> = Deserts
         05B640 = Deserts
         <tt>05B64E</tt> = Swamps
         05B64E = Swamps
     <tt>05B83E</tt> = Normal Dungeon Handling
     05B83E = Normal Dungeon Handling
     <tt>05B85C</tt> = Soul of Chaos Dungeon Handling
     05B85C = Soul of Chaos Dungeon Handling
* <tt>05B9E4-05C4BF (000ADC)</tt> = Unknown Routines
* <tt>05B9E4-05C4BF (000ADC)</tt> = Unknown Routines
* <tt>05C4C0-05C6A7 (0001E8)</tt> = '''Root Chest Opening Handling'''
* <tt>05C4C0-05C6A7 (0001E8)</tt> = '''Root Chest Opening Handling'''
* <tt>05C6A8-05C833 (00018C)</tt> = Unknown Routines
* <tt>05C6A8-05C833 (00018C)</tt> = Unknown Routines
* <tt>05C834-05CA33 (000200)</tt> = ''Chest Logic Part 2?''
* <tt>05C834-05CA33 (000200)</tt> = ''Chest Logic Part 2?''

Revision as of 03:02, 5 March 2017

Chip tiny.png The following article is a ROM map for Final Fantasy I & II: Dawn of Souls.

The following offsets have been determined for Final Fantasy I only. All offsets are given in hexadecimal format. All currently described ASM routines are in Thumb mode. (Under Construction)

General Purpose Routines

Core Routines:

  • 000EFC-000F81 (000086) = Core division-related routines
  • 000F18 = General division routine. Given r0 = divident and r1 = divisor, checks for zero and calls software division
  • 000F2C = As above, but only returns remainder in r0
  • 000F68 = Divides r1 by r2; stores the product in [r0],[r0+8] and the remainder in [r0+4]


Game-Specific Routines:

  • 014E4C-014E6B (000020) = Uncompressed tile graphic size finder routine
  • 014E6C-0158E7 (000A7C) = Unknown (Short ASM routines)
  • 0158E8-0158FB (000014) = Chest State Determination Routine
  • 0158FC-01591B (000020) = Unknown ASM Routine (reads $02001DF0)

FF1 Stat Routines

  • 01591C-0159B3 (000098) = Total Attack Determination
  • 0159B4-015ACB (000118) = Total Defence Determination
  • 015ACC-015B8F (0000C4) = Total Evade Determination
  • 015B90-015C23 (000094) = Effective Max HP Determination
  • 015C24-015CB7 (000094) = Effective Max MP Determination
  • 015CB8-015D4B (000094) = Total Intellect Determination
  • 015D4C-015DDF (000094) = Total Agility Determination
  • 015DE0-015E73 (000094) = Total Stamina Determination
  • 015E74-015F07 (000094) = Total Strength Determination
  • 015F08-015F43 (00003C) = Current HP/MP Determination (And Possible Truncation)
  • 015F44-015F83 (000040) = Total Accuracy Determination

FF1 Animation Routines

  • 01E2FC-01E8C3 (0005C8) = Root Spell/Weapon Animation Handling
  • 01E8C4-01F12F (00086C) = Unknown Routines
  • 01F130-01F1A3 (000074) = Conditional Animation Effect Handling
  • 01F1A4-01F743 (0005A0) = Animation Chunk Storage Routine
  • 01F744-02B4B3 (00BD70) = Unknown/Animation-related routines; exact function undetermined
  • 02B4B4-02BE3F (00098C) = Unknown Routines

FF1 Text, Menu and Field Spell Routines

  • 02BE40-02BF7F (000140) = Base Menu Window Drawing Routine
  • 02BF80-02C0C3 (000144) = Base Text Printing Routine
  • 02C0C4-02C43F (00037C) = Two Unknown Routines
  • 02C440-02C7A7 (000368) = Base Number Printing Routine
  • 02C7A8-0302BB (003B14) = Unknown
  • 0302BC-0304DB (000220) = Out-of-Battle Spell Usability Pointer Table+Routines
  • 0304DC-0308BB (0003E0) = Out-of-Battle Spell Effect Pointer Table+Routines
  • 0308BC-038917 (00805C) = Unknown
  • 038918-039347 (000A30) = Root Status Screen Drawing Routine
  • 039348-03A1A7 (000E60) = Unknown Routines
  • 03A1A8-03A26B (0000C4) = Out-of-Battle Healing Spell Base Healing Determination
  • 03A26C-03A2FF (000094) = Armor Equipping: Writing to Memory
  • 03A300-03A37F (000080) = Armor Removing: Adding to Inventory

FF1 Shopping Routines

  • 043910-04465F (000D50) = Root Buying Window Logic
  • 044660-044B83 (000524) = Unknown Routines
  • 044B84-044BCB (000048) = Item/Armor/Weapon Sorting Order Loading Routine
  • 044BCC-044C3B (000070) = Buying: Does item already exist among team's gear?
  • 044C3C-044C6F (000034) = Buying: Does item already exist in inventory?
  • 044C70-0454E3 (000874) = Root Spell Buying Routine?
  • 0454E4-0456A3 (0001C0) = Spell Buying: Can purchaser learn this spell?
  • 0456A4-0456E3 (000040) = Class Usability for Given Spell Determination
  • 0456E4-045F9B (0008B8) = Unknown Routines
  • 045F9C-04714B (0011B0) = Root Buying/Selling Screen Drawing Routine
  • 04714C-0471DB (000090) = Unknown Shopping-Related Routine
  • 0471DC-047813 (000638) = Root Shop Data Loading Routine?

FF1 Encounter Selection and Chest Routines

  • 05AF34-05B1EF (0002BC) = Root Map Feature Data Loading and Processing Routine
  • 05B1F0-05B277 (000088) = Map Feature Chunk Processing: Special Tiles and Objects
  • 05B278-05B533 (0002BC) = Root Map Setup Routine?
  • 05B534-05B9E3 (0004B0) = Root Encounter Checker and Selector
   05B5BE = Overworld Encounter RN Check
   05B5D8 = OW Type Encounter Handling:
       05B626 = Normal world map area
       05B630 = Rivers
       05B638 = Ocean/shipside
       05B640 = Deserts
       05B64E = Swamps
   05B83E = Normal Dungeon Handling
   05B85C = Soul of Chaos Dungeon Handling
  • 05B9E4-05C4BF (000ADC) = Unknown Routines
  • 05C4C0-05C6A7 (0001E8) = Root Chest Opening Handling
  • 05C6A8-05C833 (00018C) = Unknown Routines
  • 05C834-05CA33 (000200) = Chest Logic Part 2?