mirror of
https://github.com/n64decomp/sm64.git
synced 2024-11-16 14:25:05 -05:00
56 lines
1.1 KiB
ArmAsm
56 lines
1.1 KiB
ArmAsm
.set noat
|
|
.set noreorder // don't insert nops after branches
|
|
|
|
#include "macros.inc"
|
|
|
|
|
|
.section .text, "ax"
|
|
|
|
#ifdef VERSION_CN
|
|
|
|
.balign 32
|
|
|
|
glabel guScale
|
|
li $at, 0x47800000 // 65536.000000
|
|
mtc1 $at, $f4
|
|
mtc1 $a1, $f6
|
|
mul.s $f8, $f6, $f4
|
|
trunc.w.s $f10, $f8
|
|
mfc1 $t1, $f10
|
|
srl $t2, $t1, 0x10
|
|
sll $t0, $t2, 0x10
|
|
sw $t0, ($a0)
|
|
sll $t2, $t1, 0x10
|
|
sw $t2, 0x20($a0)
|
|
mtc1 $a2, $f6
|
|
mul.s $f8, $f6, $f4
|
|
trunc.w.s $f10, $f8
|
|
mfc1 $t1, $f10
|
|
srl $t0, $t1, 0x10
|
|
sw $t0, 8($a0)
|
|
andi $t2, $t1, 0xffff
|
|
sw $t2, 0x28($a0)
|
|
mtc1 $a3, $f6
|
|
mul.s $f8, $f6, $f4
|
|
trunc.w.s $f10, $f8
|
|
mfc1 $t1, $f10
|
|
srl $t2, $t1, 0x10
|
|
sll $t0, $t2, 0x10
|
|
sw $t0, 0x14($a0)
|
|
sll $t2, $t1, 0x10
|
|
sw $t2, 0x34($a0)
|
|
li $t0, 1
|
|
sw $t0, 0x1c($a0)
|
|
sw $zero, 4($a0)
|
|
sw $zero, 0xc($a0)
|
|
sw $zero, 0x10($a0)
|
|
sw $zero, 0x18($a0)
|
|
sw $zero, 0x24($a0)
|
|
sw $zero, 0x2c($a0)
|
|
sw $zero, 0x30($a0)
|
|
sw $zero, 0x38($a0)
|
|
jr $ra
|
|
sw $zero, 0x3c($a0)
|
|
|
|
#endif
|