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From Final Fantasy Inside

FF7/Kernel/Memory management

5,288 bytes added, 08:41, 7 March 2005
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Within the save map there are 5 banks of memory that are directly accessible by the field scripting language. These can either be accessed 8 bits or 16 bits at a time depending on the field command argument. The following table is basic memory map of the banks and how they relate to the save map. There is also an allocation for 256 bytes for temporary field variables. These are not used between field files and are not saved.
 
 
<table CELLSPACING="0">
<tr>
<th style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 43px; background-color: rgb(230, 230, 230);">
Offset</th>
<th style="border: 1px solid rgb(0, 0, 0); text-align: center; vertical-align: middle; width: 83px; height: 43px; background-color: rgb(230, 230, 230);">
8 Bit Field Bank</th>
<th style="border: 1px solid rgb(0, 0, 0); text-align: center; vertical-align: middle; width: 99px; height: 43px; background-color: rgb(230, 230, 230);">
16 Bit Field Bank</th>
<th style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 43px; background-color: rgb(230, 230, 230);">
Description</th>
</tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px;">
0x0000</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px;">
N/A</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px;">
N/A</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px;">
Beginning of Save Map</td>
</tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px; background-color: rgb(152, 204, 255);">
0x0BA4</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px; background-color: rgb(152, 204, 255);">
0x1</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px; background-color: rgb(152, 204, 255);">
0x2</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px; background-color: rgb(152, 204, 255);">
Field Script Bank 1</td>
</tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px; background-color: rgb(152, 204, 255);">
0x0CA4</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px; background-color: rgb(152, 204, 255);">
0x3</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px; background-color: rgb(152, 204, 255);">
0x4</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px; background-color: rgb(152, 204, 255);">
Field Script Bank 2</td>
</tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px; background-color: rgb(152, 204, 255);">
0x0DA4</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px; background-color: rgb(152, 204, 255);">
0xB</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px; background-color: rgb(152, 204, 255);">
0xC</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px; background-color: rgb(152, 204, 255);">
Field Script Bank 3</td>
</tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px; background-color: rgb(152, 204, 255);">
0x0EA4</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px; background-color: rgb(152, 204, 255);">
0xD</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px; background-color: rgb(152, 204, 255);">
0xE</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px; background-color: rgb(152, 204, 255);">
Field Script Bank 4</td>
</tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px; background-color: rgb(152, 204, 255);">
0x0FA4</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px; background-color: rgb(152, 204, 255);">
0x7</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px; background-color: rgb(152, 204, 255);">
0xF</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px; background-color: rgb(152, 204, 255);">
Field Script Bank 5</td>
</tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px;">
0x10F4</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px;">
N/A</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px;">
N/A</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px;">
End of Save Map</td>
</tr>
 
<tr>
<td style="border-style: solid none solid solid; border-color: rgb(0, 0, 0); border-width: 1px; vertical-align: top; width: 68px; height: 25px;">
</td><td style="border-style: solid none; border-color: rgb(0, 0, 0); border-width: 1px; text-align: center; vertical-align: top; width: 83px; height: 25px;">
</td><td style="border-style: solid none; border-color: rgb(0, 0, 0); border-width: 1px; text-align: center; vertical-align: top; width: 99px; height: 25px;">
</td><td style="border-style: solid solid solid none; border-color: rgb(0, 0, 0); border-width: 1px; vertical-align: top; width: 281px; height: 25px;">
</td></tr>
 
<tr>
<td style="border: 1px solid rgb(0, 0, 0); width: 68px; height: 25px;">
N/A</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 83px; height: 25px;">
0x5</td>
<td style="border: 1px solid rgb(0, 0, 0); text-align: center; width: 99px; height: 25px;">
0x6</td>
<td style="border: 1px solid rgb(0, 0, 0); width: 281px; height: 25px;">
Temporary field variables (256 bytes)</td>
</tr>
</table>
 
 
A more complete and annotated save map is in the MENU section.
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