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/************************************************************************
Copyright (C) 1998,1999 NINTENDO CO,Ltd,
Copyright (C) 1998,1999 MONEGI CORPORATION,
All Rights Reserved
This program is a trade secret of NINTENDO CO,Ltd and MONEGI Corp.
and it is not to be reproduced, published, disclosed to others, copied,
adapted, distributed, or displayed without the prior authorization of
NINTENDO CO,Ltd. and MONEGI Corp. Licensee agrees to attach or embed
this Notice on all copies of the program, including partial copies or
modified versions thereof.
*************************************************************************/
/************************************************************************
$Date: 1999/06/16 09:15:38 $
$Revision: 1.1 $
$Author: doseki $
************************************************************************/
#include <asm.h>
#include <regdef.h>
/*
* void guMtxIdent( Mtx * matrix )
* Substitute unit matrix for matrix
* Correspond only when alignment is 4 byte boundary
* Input
* a0 = matrix
* Output
* *matrix unit matrix
*/
#define SIZE_OF_MTX 64 /* sizeof( Mtx ) */
.text
.align 5
LEAF(guMtxIdent)
.set reorder
addi t0, zero, 1 /* t0 = 0x00000001 */
sll t1, t0, 16 /* t1 = 0x00010000 */
sw t1, 0(a0) /* Substitution of integers */
sw zero, 4(a0)
sw t0, 8(a0)
sw zero, 12(a0)
sw zero, 16(a0)
sw t1, 20(a0)
sw zero, 24(a0)
sw t0, 28(a0)
sw zero, 32(a0) /* Substitution of fractions */
sw zero, 36(a0)
sw zero, 40(a0)
sw zero, 44(a0)
sw zero, 48(a0)
sw zero, 52(a0)
sw zero, 56(a0)
sw zero, 60(a0)
j ra
END(guMtxIdent)
/* End of file */
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