#define v0      $0

#define t0      $1
#define t1      $2
#define t2      $3
#define t3      $4
#define t4      $5
#define t5      $6
#define t6      $7
#define t7      $8

#define s0      $9
#define s1      $10
#define s2      $11
#define s3      $12
#define s4      $13
#define s5      $14
#define s6      $15
#define fp      s6

#define a0      $16
#define a1      $17
#define a2      $18
#define a3      $19
#define a4      $20
#define a5      $21

#define t8      $22
#define t9      $23
#define t10     $24
#define t11     $25
#define ra      $26
#define t12     $27

#define pv      t12
#define AT      $at
#define gp      $29
#define sp      $30
#define zero    $31

#define ta 	t10
#define tb	t11
#define tc	t12
#define td	AT

#define te	a5
#define tf	a4
#define tg	a3
#define th	v0