make this asm file a lot easier to read (not documented though)

asm/math.s

@@ -1,6 +1,4 @@
 # assembler directives
-.set noat      # allow manual use of $at
-.set noreorder # don't insert nops after branches
 .set gp=64
 
 .include "macros.inc"
@@ -8,39 +6,43 @@
 
 .section .text, "ax"
 
-.global mtxf_to_mtx_asm
 .balign 32
+# glabel mtxf_to_mtx_asm
+.globl mtxf_to_mtx_asm
 mtxf_to_mtx_asm:
-    addiu $v0, $zero, 0x0001
-    lui $t2, 0x4780
-    mtc1 $t2, $f4 
-loop:
-    lwc1 $f0, 0x0000($a1)
-    andi $t0, $v0, 0x0002
-    mul.s $f0, $f0, $f4
-    lwc1 $f2, 0x0004($a1)
+    li $v0, 1
+    li.s $f4, 65536.0
+1:
+    lwc1 $f0, ($a1)
+    andi $t0, $v0, (1 << 1)
+    mul.s $f0, $f4
+    lwc1 $f2, 0x04($a1)
     trunc.w.s $f0, $f0
     mfc1 $t3, $f0
-    addiu $a1, $a1, 0x0008
+    addiu $a1, 8
     sra $t4, $t3, 16
-    sh $t4, 0x0000($a0)
-    sh $t3, 0x0020($a0)
-    bne $t0, $zero, storezero
-    addiu $v0, $v0, 0x0002
-    mul.s $f2, $f2, $f4
-    addiu $t1, $zero, 1
+    sh $t4, 0x00($a0)
+    sh $t3, 0x20($a0)
+
+    addiu $v0, 2
+    bnez $t0, storezero
+
+    mul.s $f2, $f4
     trunc.w.s $f2, $f2
     mfc1 $t3, $f2
-    addiu $v1, $zero, 0x0011
     sra $t4, $t3, 16
-    sh $t4, 0x0002($a0)
-    sh $t3, 0x0022($a0)
+    sh $t4, 0x02($a0)
+    sh $t3, 0x22($a0)
 loopend:
-    bne $v0, $v1, loop
-    addiu $a0, $a0, 0x0004
+.set noreorder
+    bnel $v0, 0x11, 1b
+    addiu $a0, 4
+.set reorder
+
+    li $t1, 1
+    sh $t1, 0x02($a0)
     jr $ra
-    sh $t1, -2 ($a0)
 storezero:
-    sh $zero, 0x0002($a0)
+    sh $zero, 0x02($a0)
+    sh $zero, 0x22($a0)
     j loopend
-    sh $zero, 0x0022($a0)