The direct answer regarding is that it is a specific Programmable Array Logic (PAL) / Programmable Logic Device (PLD) ROM file utilized by Capcom's CPS-1 (Capcom Play System 1) arcade hardware in the MAME arcade emulator.
If you are a SOC analyst or threat hunter, finding ioc1.ic1 requires moving beyond simple file searches. You need to hunt for the behaviors that generate it. ioc1.ic1
: Users often encounter an "INCORRECT LENGTH" error (e.g., 260 bytes expected vs 279 bytes found) or "missing file" warnings. The direct answer regarding is that it is