If you're getting an "incorrect length" error for in MAME, it’s almost certainly because your ROM set is outdated for the version of MAME you're running. MAME 0.238 , several ROMs for Alien vs. Predator (including avp14m.rom
Prepared by: Senior Systems Engineer Department: Embedded Systems Division avp14m incorrect length
// Before (incorrect)
uint8_t avp14m_data[12];
A common hurdle when setting up arcade emulation for Alien vs. Predator If you're getting an "incorrect length" error for
Example: Resolving Incorrect Length in Programming
If you're working in a programming context and encounter an "incorrect length" error for a variable or data structure named "avp14m," here is a simple Python example: If reading over a socket or stream, log
Quick fixes (ranked by likelihood & safety)
- Re-download or retransfer the file using binary mode.
- Replace the file with a clean/known-good copy if available.
- If the length field is wrong and you control the producer:
Step 5: Examine Source Code (if available)
Look for declarations like: