GXA (Bethesda Softworks)
From Just Solve the File Format Problem
GXA (also known as XCar graphics; correct name and origin unknown) is a graphics resource format that was used by a few video games. A file contains one or more raster images.
Games known to use GXA:
- T-Mek, by Atari Games, published by Time Warner Interactive and others. DOS version by Bits Corporation, a.k.a. Bits Studios.
- XCar: Experimental Racing, by Bethesda Softworks and Media Technology
- The Elder Scrolls Adventures: Redguard, by Bethesda Softworks
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Format details
GXA files use both big-endian and little-endian byte order.
Identification
GXA files start with ASCII "BMHD", and end with "END ".
They usually (always?) have bytes (hex) 00 00 00 22 at offset 4, and ASCII "BPAL" at offset 42.
Note: It's rare but possible for a Windows BMP file to accidentally start with "BMHD", so it could be mistaken for GXA. It doesn't help that both formats can use the .bmp extension.
