Micro Machines Logo Format
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| Format type | Image |
|---|---|
| Hardware | VGA |
| Colour depth | 8-bit (VGA) |
| Minimum size (pixels) | 32×32 |
| Maximum size (pixels) | 176×36 |
| Palette | External |
| Plane count | 1 |
| Transparent pixels? | No |
| Hitmap pixels? | No |
| Games |
GFX1.GFX holds the graphics of the Codemasters "Absolutely Brilliant!" logo intro that plays when Micro Machines starts. It is used by SM.EXE, not by the game itself. The file is 54273 bytes long and is not compressed.
File format
The file has no directory. It starts with a 4-byte header (00 01 6B EC) that is never read; its meaning is unknown. The images follow at fixed offsets, each stored row by row with one byte per pixel. Images are drawn opaque.
| Offset | Size | Content |
|---|---|---|
| 0x0004 + n × 0x400, n = 0-28 | 32×32 | Letter frames of "Codemasters", 3 or 4 zoom frames per letter. Frames 0 and 1 are thin slivers shared by several letters. |
| 0x7800, 0x8400, 0x9000, 0x9C00 | 64×48 | Frames of the "TM" swoosh |
| 0xA804 | 176×36 | Banner "Absolutely" (the last row is not drawn) |
| 0xC174 | 176×26 | Banner "Brilliant!" |
| 0xD354 | - | Zeros up to the end of the file, followed by a single 0x1A byte |
Palette and animation
The palette is not in the file. It is stored in SM.EXE at file offset 0x56C as a 256-colour 6-bit VGA Palette.
The animation is also defined in SM.EXE: a table of 48 records of 14 bytes at file offset 0x21E, one record drawn per frame:
| Data type | Name | Description |
|---|---|---|
| UINT16LE | x | X position |
| UINT16LE | xOffset | Added to x |
| UINT16LE | sprite | Sprite number, not used |
| UINT16LE | y | Y position |
| UINT16LE | offset | Offset of the image in GFX1.GFX |
| UINT16LE | width | Image width |
| UINT16LE | height | Image height |
After the letters, the two banners slide in from the left and right, and a shine moves diagonally over the logo. The intro ends 250 frames after the shine, or when a mouse button is pressed.
The intro also wants to load an 11×13 pixel proportional font from ANTIFONT.BIN to write "(c) Codemasters 1994." under the logo. The shipped file is empty, so nothing is shown.
Credits
This file format was reverse engineered by VorticonCmdr. If you find this information helpful in a project you're working on, please give credit where credit is due. (A link back to this wiki would be nice too!)