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Created page with "To understand how the data is organized for Final Fantasy 1, you must first understand how the original NES operated. The NES had a 6502 microprocessor, this gave the system..."
A typical NES ROM downloaded from the Internet almost always has a 10 byte header at the beginning. For our purposes, this data is going to be thrown away. This is for two reasons.
*This document assumes you have an original ROM dump and not something downloaded.*It messes up bank boundaries and offsets by 10 bytes, making it harder to point to data
The following below is a map of the ROM.
{| borderclass="0" cellspacing="1" cellpadding="3" style="background: rgb(0,0,0)" align="centerwikitable"! style="background:rgb(204,204,204)" align="center" | Bank! style="background:rgb(204,204,204)" align="center" | ! Data Within|-|style="background:rgb(255,255,255)" | [[Bank 0]]|style="background:rgb(255,255,255)" align="center" | Inital values
|-
|style="background:rgb(255,255,255)" |[[Bank 1]]0 |style="background:rgb(255,255,255)" align="center" | Overworld map and decompresserInital values
|-
|style="background:rgb(255,255,255)" | [[Bank 2]]1 |style="background:rgb(255,255,255)" align="center" | Overworld Graphics/spritesmap and decompresser
|-
|style="background:rgb(255,255,255)" | [[Bank 3]]2 |style="background:rgb(255,255,255)" align="center" | TownOverworld Graphics/Dungeon graphicssprites
|-
|style="background:rgb(255,255,255)" | [[Bank 4]]3 |style="background:rgb(255,255,255)" align="center" | Town/Dungeon maps and decompressergraphics
|-
|style="background:rgb(255,255,255)" | [[Bank 5]]4 |style="background:rgb(255,255,255)" align="center" | CodeTown/Dungeon maps and decompresser
|-
|style="background:rgb(255,255,255)" | [[Bank 6]]5 |style="background:rgb(255,255,255)" align="center" | Code
|-
|style="background:rgb(255,255,255)" | [[Bank 7]]6 |style="background:rgb(255,255,255)" align="center" | Battle Graphics (Overworld)Code
|-
|style="background:rgb(255,255,255)" | [[Bank 8]]7 |style="background:rgb(255,255,255)" align="center" | Battle Graphics (DungeonOverworld)
|-
|style="background:rgb(255,255,255)" Bank 8 | [[Bank 9]]|style="background:rgbBattle Graphics (255,255,255Dungeon)" align="center" | Shop/menu text/character battle/minimap
|-
|style="background:rgb(255,255,255)" | [[Bank A]]9 |style="background:rgb(255,255,255)" align="center" | DialogShop/menu text/character battle/minimap
|-
|style="background:rgb(255,255,255)" | [[Bank B]]A |style="background:rgb(255,255,255)" align="center" | Bridge Crossing/Ending EventDialog
|-
|style="background:rgb(255,255,255)" | [[Bank C]]B |style="background:rgb(255,255,255)" align="center" | ArmorBridge Crossing/weapon dataEnding Event
|-
|style="background:rgb(255,255,255)" | [[Bank D]]C |style="background:rgb(255,255,255)" align="center" | Code + Crystal GraphicsArmor/weapon data
|-
|style="background:rgb(255,255,255)" | [[Bank E]]D |style="background:rgb(255,255,255)" align="center" | Code+ Crystal Graphics
|-
|style="background:rgb(255,255,255)" | [[Bank F]]E |style="background:rgb(255,255,255)" align="center" | KernelCode
|-
| Bank F || Kernel
|}
