sm64

A Super Mario 64 decompilation
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guScale.s (1125B)


      1 .set noat
      2 .set noreorder // don't insert nops after branches
      3 
      4 #include "macros.inc"
      5 
      6 
      7 .section .text, "ax"
      8 
      9 #ifdef VERSION_CN
     10 
     11 .balign 32
     12 
     13 glabel guScale
     14     li    $at, 0x47800000 // 65536.000000
     15     mtc1  $at, $f4
     16     mtc1  $a1, $f6
     17     mul.s $f8, $f6, $f4
     18     trunc.w.s $f10, $f8
     19     mfc1  $t1, $f10
     20     srl   $t2, $t1, 0x10
     21     sll   $t0, $t2, 0x10
     22     sw    $t0, ($a0)
     23     sll   $t2, $t1, 0x10
     24     sw    $t2, 0x20($a0)
     25     mtc1  $a2, $f6
     26     mul.s $f8, $f6, $f4
     27     trunc.w.s $f10, $f8
     28     mfc1  $t1, $f10
     29     srl   $t0, $t1, 0x10
     30     sw    $t0, 8($a0)
     31     andi  $t2, $t1, 0xffff
     32     sw    $t2, 0x28($a0)
     33     mtc1  $a3, $f6
     34     mul.s $f8, $f6, $f4
     35     trunc.w.s $f10, $f8
     36     mfc1  $t1, $f10
     37     srl   $t2, $t1, 0x10
     38     sll   $t0, $t2, 0x10
     39     sw    $t0, 0x14($a0)
     40     sll   $t2, $t1, 0x10
     41     sw    $t2, 0x34($a0)
     42     li    $t0, 1
     43     sw    $t0, 0x1c($a0)
     44     sw    $zero, 4($a0)
     45     sw    $zero, 0xc($a0)
     46     sw    $zero, 0x10($a0)
     47     sw    $zero, 0x18($a0)
     48     sw    $zero, 0x24($a0)
     49     sw    $zero, 0x2c($a0)
     50     sw    $zero, 0x30($a0)
     51     sw    $zero, 0x38($a0)
     52     jr    $ra
     53      sw    $zero, 0x3c($a0)
     54 
     55 #endif