PROGSF1

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Altera EPM7128 CPLD stamped "SF101 JIF" (read protected).

Used for some The King of Fighters '98 - The Slugfest cartridges.

Security

Similarly to the PROGEOP board, the P1 ROM is scrambled to deter piracy. It is unscrambled on-the-fly by the CPLD (programmable logic device), which is prone to failure.

See Repairing King of Fighters '98.