falso
/
perfect_dark
mirror of https://github.com/n64decomp/perfect_dark.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Decompile guMtxF2L

This commit is contained in:
Ryan Dwyer 2021-01-29 12:06:11 +10:00
parent 9b11a4758a
commit 12df5edb39
1 changed files with 19 additions and 81 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

100
src/lib/lib_4a360.c
View File

@ -1,86 +1,24 @@
#include <ultra64.h>
#include "constants.h"
#include "game/data/data_000000.h"
#include "game/data/data_0083d0.h"
#include "game/data/data_00e460.h"
#include "game/data/data_0160b0.h"
#include "game/data/data_01a3a0.h"
#include "game/data/data_020df0.h"
#include "game/data/data_02da90.h"
#include "gvars/gvars.h"
#include "lib/lib_4a360.h"
#include "types.h"
GLOBAL_ASM(
glabel guMtxF2L
/* 4a360: 3c014780 */ lui $at,0x4780
/* 4a364: 44810000 */ mtc1 $at,$f0
/* 4a368: 00a01025 */ or $v0,$a1,$zero
/* 4a36c: 24a30020 */ addiu $v1,$a1,0x20
/* 4a370: 00003025 */ or $a2,$zero,$zero
/* 4a374: 00803825 */ or $a3,$a0,$zero
/* 4a378: 240c0004 */ addiu $t4,$zero,0x4
/* 4a37c: 240b0002 */ addiu $t3,$zero,0x2
/* 4a380: 3c0affff */ lui $t2,0xffff
.L0004a384:
/* 4a384: 00002025 */ or $a0,$zero,$zero
/* 4a388: 00e04025 */ or $t0,$a3,$zero
/* 4a38c: c50e0004 */ lwc1 $f14,0x4($t0)
/* 4a390: 24840001 */ addiu $a0,$a0,0x1
/* 4a394: c5120000 */ lwc1 $f18,0x0($t0)
/* 4a398: 46007402 */ mul.s $f16,$f14,$f0
/* 4a39c: 108b0019 */ beq $a0,$t3,.L0004a404
/* 4a3a0: 00000000 */ nop
.L0004a3a4:
/* 4a3a4: 46009382 */ mul.s $f14,$f18,$f0
/* 4a3a8: 24840001 */ addiu $a0,$a0,0x1
/* 4a3ac: 24420004 */ addiu $v0,$v0,0x4
/* 4a3b0: 24630004 */ addiu $v1,$v1,0x4
/* 4a3b4: 25080008 */ addiu $t0,$t0,0x8
/* 4a3b8: 4600830d */ trunc.w.s $f12,$f16
/* 4a3bc: 4600738d */ trunc.w.s $f14,$f14
/* 4a3c0: 44096000 */ mfc1 $t1,$f12
/* 4a3c4: 44057000 */ mfc1 $a1,$f14
/* 4a3c8: 0009cc03 */ sra $t9,$t1,0x10
/* 4a3cc: 332dffff */ andi $t5,$t9,0xffff
/* 4a3d0: 00aac024 */ and $t8,$a1,$t2
/* 4a3d4: 030d7025 */ or $t6,$t8,$t5
/* 4a3d8: 00057c00 */ sll $t7,$a1,0x10
/* 4a3dc: 01eac824 */ and $t9,$t7,$t2
/* 4a3e0: ac4efffc */ sw $t6,-0x4($v0)
/* 4a3e4: 3138ffff */ andi $t8,$t1,0xffff
/* 4a3e8: 03386825 */ or $t5,$t9,$t8
/* 4a3ec: ac6dfffc */ sw $t5,-0x4($v1)
/* 4a3f0: c50e0004 */ lwc1 $f14,0x4($t0)
/* 4a3f4: c5120000 */ lwc1 $f18,0x0($t0)
/* 4a3f8: 46007402 */ mul.s $f16,$f14,$f0
/* 4a3fc: 148bffe9 */ bne $a0,$t3,.L0004a3a4
/* 4a400: 00000000 */ nop
.L0004a404:
/* 4a404: 46009382 */ mul.s $f14,$f18,$f0
/* 4a408: 25080008 */ addiu $t0,$t0,0x8
/* 4a40c: 24420004 */ addiu $v0,$v0,0x4
/* 4a410: 24630004 */ addiu $v1,$v1,0x4
/* 4a414: 4600830d */ trunc.w.s $f12,$f16
/* 4a418: 4600738d */ trunc.w.s $f14,$f14
/* 4a41c: 44096000 */ mfc1 $t1,$f12
/* 4a420: 44057000 */ mfc1 $a1,$f14
/* 4a424: 0009cc03 */ sra $t9,$t1,0x10
/* 4a428: 332dffff */ andi $t5,$t9,0xffff
/* 4a42c: 00aac024 */ and $t8,$a1,$t2
/* 4a430: 030d7025 */ or $t6,$t8,$t5
/* 4a434: 00057c00 */ sll $t7,$a1,0x10
/* 4a438: 01eac824 */ and $t9,$t7,$t2
/* 4a43c: 3138ffff */ andi $t8,$t1,0xffff
/* 4a440: ac4efffc */ sw $t6,-0x4($v0)
/* 4a444: 03386825 */ or $t5,$t9,$t8
/* 4a448: ac6dfffc */ sw $t5,-0x4($v1)
/* 4a44c: 24c60001 */ addiu $a2,$a2,0x1
/* 4a450: 14ccffcc */ bne $a2,$t4,.L0004a384
/* 4a454: 24e70010 */ addiu $a3,$a3,0x10
/* 4a458: 03e00008 */ jr $ra
/* 4a45c: 00000000 */ nop
);
void guMtxF2L(f32 mf[4][4], Mtx *m)
{
int i, j;
int e1, e2;
int *ai, *af;
ai = (int *) &m->m[0][0];
af = (int *) &m->m[2][0];
for (i = 0; i < 4; i++) {
for (j = 0; j < 2; j++) {
e1 = FTOFIX32(mf[i][j * 2]);
e2 = FTOFIX32(mf[i][j * 2 + 1]);
*(ai++) = (e1 & 0xffff0000) | ((e2 >> 16) & 0xffff);
*(af++) = ((e1 << 16) & 0xffff0000) | (e2 & 0xffff);
}
}
}
void guMtxIdentF(float mf[4][4])
{