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Hello everyone,

I'm trying to get an estimate of how many SMS/GG games only switch banks in slot 2 (either by choice or because that's all that the game's mapper supports) and I'm coming up short on information. The Development wiki shows some games tagged as slot 2-only, but it's a small selection and seems incomplete to me. Furthermore, the official Sega docs for both systems suggest that games larger than 1 megabit get a 3-slot mapper, yet a Sonic 2 is 4 megabits and tagged as slot 2-only.

My question is: approximately (an educated estimate is enough) how many games are slot 2-only? Is the number even known, since there doesn't appear to be much rhyme or reason to whether a game uses just slot 2 or all slots?

It’s really up to the developer. You might try setting watch points in a suitable emulator debugger and work through a set of ROMs.

Author	Message
liamur Joined: 03 Jan 2022 Posts: 9 Location: Albuquerque, NM, USA	How many games are slot 2-only? Posted: Sun Dec 17, 2023 12:03 am
	Hello everyone, I'm trying to get an estimate of how many SMS/GG games only switch banks in slot 2 (either by choice or because that's all that the game's mapper supports) and I'm coming up short on information. The Development wiki shows some games tagged as slot 2-only, but it's a small selection and seems incomplete to me. Furthermore, the official Sega docs for both systems suggest that games larger than 1 megabit get a 3-slot mapper, yet a Sonic 2 is 4 megabits and tagged as slot 2-only. My question is: approximately (an educated estimate is enough) how many games are slot 2-only? Is the number even known, since there doesn't appear to be much rhyme or reason to whether a game uses just slot 2 or all slots?

Maxim Site Admin Joined: 19 Oct 1999 Posts: 14745 Location: London	Posted: Sun Dec 17, 2023 4:14 pm
	It’s really up to the developer. You might try setting watch points in a suitable emulator debugger and work through a set of ROMs.

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