dquakeplus/source/psp/libpspmath/vfpu_quaternion_identity.c

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2022-02-08 21:49:56 +00:00
#include "pspmath.h"
void vfpu_quaternion_identity(ScePspQuatMatrix *q) {
__asm__ volatile (
"vidt.q C030\n" // column is important here, we need the w component set to 1
"sv.q C030, %0\n"
: "+m"(*q));
}