diff --git a/include/macro.inc b/include/macro.inc
new file mode 100644
index 00000000..1ee4aa4f
--- /dev/null
+++ b/include/macro.inc
@@ -0,0 +1,87 @@
+.macro glabel label
+    .global \label
+    .type \label, @function
+    \label:
+.endm
+
+.macro dlabel label
+    .global \label
+    \label:
+.endm
+
+.macro jlabel label
+    .global \label
+    .type \label, @function
+    \label:
+.endm
+
+# COP0 register aliases
+
+.set Index,         $0
+.set Random,        $1
+.set EntryLo0,      $2
+.set EntryLo1,      $3
+.set Context,       $4
+.set PageMask,      $5
+.set Wired,         $6
+.set Reserved07,    $7
+.set BadVaddr,      $8
+.set Count,         $9
+.set EntryHi,       $10
+.set Compare,       $11
+.set Status,        $12
+.set Cause,         $13
+.set EPC,           $14
+.set PRevID,        $15
+.set Config,        $16
+.set LLAddr,        $17
+.set WatchLo,       $18
+.set WatchHi,       $19
+.set XContext,      $20
+.set Reserved21,    $21
+.set Reserved22,    $22
+.set Reserved23,    $23
+.set Reserved24,    $24
+.set Reserved25,    $25
+.set PErr,          $26
+.set CacheErr,      $27
+.set TagLo,         $28
+.set TagHi,         $29
+.set ErrorEPC,      $30
+.set Reserved31,    $31
+
+
+# Float register aliases (o32 ABI, odd ones are rarely used)
+
+.set $fv0,          $f0
+.set $fv0f,         $f1
+.set $fv1,          $f2
+.set $fv1f,         $f3
+.set $ft0,          $f4
+.set $ft0f,         $f5
+.set $ft1,          $f6
+.set $ft1f,         $f7
+.set $ft2,          $f8
+.set $ft2f,         $f9
+.set $ft3,          $f10
+.set $ft3f,         $f11
+.set $fa0,          $f12
+.set $fa0f,         $f13
+.set $fa1,          $f14
+.set $fa1f,         $f15
+.set $ft4,          $f16
+.set $ft4f,         $f17
+.set $ft5,          $f18
+.set $ft5f,         $f19
+.set $fs0,          $f20
+.set $fs0f,         $f21
+.set $fs1,          $f22
+.set $fs1f,         $f23
+.set $fs2,          $f24
+.set $fs2f,         $f25
+.set $fs3,          $f26
+.set $fs3f,         $f27
+.set $fs4,          $f28
+.set $fs4f,         $f29
+.set $fs5,          $f30
+.set $fs5f,         $f31