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## 3.175 tgi_getmaxx

> Function

>   Get the maximum x coordinate that can be used on this screen.

> Header

>   `tgi.h`

> Declaration

>   `unsigned __fastcall__ tgi_getmaxx (void);`

> Description

>   Get the maximum x coordinate that can be used on this screen.

> Limits

>   - The function is only available as fastcall function, so it may only be used in presence of a prototype.
> Availability

>   cc65

> Availability

>   cc65

> See also

>   Other tgi functions

> Example

>   None.

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