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{{wikipedia2|Flag (computing)}} |
{{wikipedia2|Flag (computing)}} |
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A '''flag''' or '''switch''' is basically any value or set of values that activates an event. For example, a flag |
A '''flag''' or '''switch''' is basically any value or set of values that activates an event. For example, a certain flag needs to be checked in Pokémon Emerald to be able to ride the ferry in Slateport City to Birth Island and simply having the AuroraTicket won't work. |
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Another example of flags in action is how the registered 'seen' and 'own' Pokémon in the Pokédex works. Here, [[binary]] switches are used for a total of 19 'seen' bytes [D30A-D31C] (the bytes are offset by -1 in Yellow) and a total of 19 'own' bytes [D2F7-D309]. Bulbasaur's seen flag is a value of bin:01 in D30A (2^0), while Ivysaur's own flag is bin:10 (2^1) in D2F7. |
Another example of flags in action is how the registered 'seen' and 'own' Pokémon in the Pokédex works. Here, [[binary]] switches are used for a total of 19 'seen' bytes [D30A-D31C] (the bytes are offset by -1 in Yellow) and a total of 19 'own' bytes [D2F7-D309]. Bulbasaur's seen flag is a value of bin:01 in D30A (2^0), while Ivysaur's own flag is bin:10 (2^1) in D2F7. |