The construct map region packet sends a dynamic map region that is constructed by using groups of 8x8 tiles.
It is generally used for instanced areas, such as fight caves, and in later revisions, player owned houses.
## Packet Details
| Key | Value |
|--|--|
| Name | Construct map region |
| Description | Constructs a new map region from a palette of 8x8 tiles. |
| Opcode | 241 |
| Type | Variable Short |
| Length | N/A |
| Revision | 317 |
## Packet Structure
| Data Type | Description |
|--|--|
| [Short](/Data-Types.html#common-data-types) [Special A](/Data-Types.html#bespoke-data-types) | The region Y coordinate (absolute Y coordinate / 8), plus 6. |
| Bit block | See below. |
| [Short](/Data-Types.html#common-data-types) | The region X coordinate (absolute X coordinate / 8), plus 6. |
## Bit block
The bit block contains the 'palette' of map regions to make up the new region.