Usage

Usage

This page contains basic ALX OS controls, usage information, and limitations.

Limitations

• A full PC with an HDD and more than one bank cannot be saved as a single dupe using AdvDupe1 or the GMod duplicator. AdvDupe2 is required.
• The file system and PC can be very slow without wire_expression2_unlimited or increased tick/soft quota limits.
• There is no scrolling in the directory listing.
• There is currently no way to restore a damaged system.

Keyboard Controls

• F1–F8 - actions shown in the footer.
• ↑ / ↓ - navigate in Explorer.
• ← / → - select OK / Cancel in dialogs.
• Tab or ↑ / ↓ - switch between text fields in text dialogs.
• Tab or ← / → - switch between tabs in the CD burner.
• Delete - remove files or folders.
• Enter - open a file if an association exists, such as .txt or .bmp.
• In the CD burner, Enter adds a file to the project. In the second tab, it removes a file from the project.

BIOS Beep Codes

• 1 long - OK
• 7 short - BIOS ROM error
• 1 short with different frequencies - CPU error
• 1 long, 3 short - GPU error
• 1 long, 2 short - GPU EGP limits error
• 2 long - Keyboard error
• 3 long - no EGP connected
• 1 very long - Null Byte error
• 2 short - bad sound card

Supported File Formats

ALX OS currently supports reading the following file formats:

• JPG — Baseline, Progressive, and 12-bit JPEG
• PNG — PNG images with Deflate compression and Adam7 interlacing
• GIF — GIF images, including animated GIFs
• BMP — BMP images, including RLE4/RLE8 compression
• ZIP — ZIP archives using Deflate compression
• TXT — plain text files
• INI — text-based configuration files
• E2E — Expression 2 executable files containing the name of a function to execute
• E2S — Expression 2 script files containing the name of a function to load
• GMS — text file containing the path of a sound file from the game
• MID — MIDI music files supported by the MIDI player

Support is focused on reading, decoding, parsing, and processing files directly within ALX OS. Not all variants or compression methods of a given format are supported.