If the player persists through this or cracks this second team but an even nastiest surprise awaits: The game will freeze and seriously fail after the first part of the last boss fight against Giygas. Regular matches will perform normally and the game runs properly after the event is over but the event will always trigger this effect due to one thing: the cartridge scanner to see if it is played on a normal Game Boy Advance and only the default Game Boy Advance. A ram patch does something very similar but instead of running as part of the program a special interrupt handler is installed and regularly writes about the RAM location with the data value you requested. The North American version of the Nintendo Entertainment System used a proprietary and patented lockout chip called NES which restores the processor if it did not find a corresponding key chip on the game cartridge. Other platforms contributed by Fred VT 25969 ResidentHazard 3566 Sciere 518236 Kabushi 2970 Satoshi Kunsai 2085 Bregalad 968 and food 189597 .If the player perseveres through this or cracks this second layer however an even nastier surprise awaits: the game will freeze and severely glitch after the first part of the Final Boss fight against Giygas.Regular battles will perform normally and the game runs properly after the event is over but the event will always trigger this effect because of one thing: the cartridge scans to see if its being played on a standard Game Boy Advance and only the standard Game Boy Advance.A RAM patch does something very similar but instead of being executed as part of the program a special interrupt handler is installed and periodically rewrites the RAM location with the data value you requested.The North American version of the Nintendo Entertainment System used a proprietary and patented lockout chip called the NES which reset the CPU if it did not detect a corresponding key chip on the game cartridge.Other platforms contributed by Fred VT 25969 ResidentHazard 3566 Sciere 518236 Kabushi 2970 Satoshi Kunsai 2085 Bregalad 968 and MAT 189597 .