1990 Hardware: Data East's "DECO 32" (also called the "DECO Cassette System" or similar 16-bit architecture) Genre: Hack-and-slash fantasy arcade action (often compared to Gauntlet but with RPG elements)
To resolve the "dl-1425.bin NOT FOUND" error, follow these steps: Locate the File: Search for a MAME "Roll-up" or "BIOS set" that includes qsound_hle.zip Place it Correctly: unzip it. Move the qsound_hle.zip file directly into your MAME Check Version Match: Ensure your qsound_hle.zip
Before searching for new files, look inside your roms folder. If you have an older qsound.zip , check if it contains dl-1425.bin . If it does, you could try copying and renaming it to qsound_hle.zip . However, this is a temporary workaround; a complete and updated ROM set is the best solution.
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Understanding exactly what this file does, why MAME requires it, and how to properly configure your ROM directory will resolve this boot error for good. What is dl-1425.bin ?
dl-1425.bin is a critical piece of arcade system software used by MAME (Multiple Arcade Machine Emulator) to emulate the digital signal processor (DSP).
If you are not ready to update your files or prefer older software, you can revert to a previous version of MAME, specifically . The error does not occur with these older builds because they use the qsound.zip file structure. 1990 Hardware: Data East's "DECO 32" (also called
This will output the full list of required files, including dl-1425.bin with its expected CRC.
(a DL-1425 model). In the 1990s, Capcom used this chip to provide high-quality "3D" stereo sound in their arcade cabinets.
Pack dl-1425.bin back into the qsound.zip (and make a duplicate copy named qsound_hle.zip to cover both naming conventions). If it does, you could try copying and
As MAME (Multiple Arcade Machine Emulator) evolved, its mission shifted from just making games "playable" to "perfect preservation". In 2018, with the release of , the developers made a major change. They moved from high-level simulation to low-level emulation of the QSound chip. To do this, the emulator now required the actual program code that ran inside the chip—a file known as dl-1425.bin . The "Missing File" Crisis
The most reliable long-term solution is to use a . This means downloading a full set of ROMs that is explicitly built for the exact version of MAME you are running (e.g., a "MAME 0.261 ROM set" for MAME 0.261).
dl-1425.bin is specifically a —it contains executable code for the main CPU. Without it, the game cannot boot. The CPU would have no instructions to read, resulting in a black screen or garbage data.
For flawless execution across modern versions of MAME, RetroArch (MAME cores), and frontends like LaunchBox, you should source a modern reference set.