Mame Dl-1425.bin -

You won't find dl-1425.bin inside the zip file of a single game. Instead, it resides in the or the device ROMs folder . The most notable games that depend on this file include:

Many games using this chip still have emulation status set to MACHINE_NOT_WORKING or have notes like "protection MCU simulation incomplete." The reason is that the dl-1425 is not just a memory chip—it contains a small 8-bit CPU (often an Intel 8051 variant) running its own firmware. MAME has to emulate that CPU and the timing of its bus communications. mame dl-1425.bin

: Starting with MAME version 0.186 , this file replaced the older, obsolete qsound.bin . You won't find dl-1425