3/29/2024 0 Comments Angelfire sonic 3 and knuckles rom![]() ![]() This explains why the game works even in emulators that don't support any of the custom hardware inside the Sonic & Knuckles cartridge.Īny game locked onto Sonic & Knuckles will probably have its ROM mapped onto the game's address space the same way. ![]() Incidentally, that's what a good dump of Sonic 3 & Knuckles looks like. The Mega Drive just sees two games, one after another. The contents of the read-only memory chips get mapped onto the Mega Drive's 68k processor's 24-bit address space. The address space represents memory the game code can access. To better understand what this means, imagine a Sonic & Knuckles ROM with the complete contents of the Sonic the Hedgehog 3 ROM concatenated onto it. This way, the executing game code gets access to the contents of both games. It seems both games are simply mapped onto memory. It probably detects all preceding Sonic the Hedgehog games since they all result in specific effects when locked-on.Īre the game ROMs merged in some way when connected? It checks the serial numbers of games they can be found in the ROM's header. How does the Sonic & Knuckles cart detect another cartridge?
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