#include <nitro/gx/gx.h>
s32 GX_IsHBlank();
None.
Not in H-Blank period (0), or in H-Blank period (other than 0).
This function determines whether the program is in H-Blank period. It returns a value other than 0 when in the H-Blank period; it returns 0 when not in the H-Blank period.
01/19/2004 Initial version.