+// Hash filtering constants
+const uint16_t FHASH_ADDR = 0x100;
+const uint16_t FHASH_SIZE = 0x100;
+
+// EEPROM constants
+const uint8_t EEPROM_READ = 0x2;
+const uint8_t EEPROM_SIZE = 64; // Size in words of NSC93C46 EEPROM
+const uint8_t EEPROM_PMATCH2_ADDR = 0xA; // EEPROM Address of PMATCH word 2
+const uint8_t EEPROM_PMATCH1_ADDR = 0xB; // EEPROM Address of PMATCH word 1
+const uint8_t EEPROM_PMATCH0_ADDR = 0xC; // EEPROM Address of PMATCH word 0
+