MIPS_info

Service	Code in $v0	Arguments	Result
print integer	1	$a0 = integer to print
print float	2	$f12 = float to print
print double	3	$f12 = double to print
print string	4	$a0 = address of null
read integer	5		$v0 contains integer read
read float	6		$v0 contains float read
read double	7		$v0 contains double read
read string	8	$a0 = address of input buffer
read string	8	$a1 = maximum number of characters to read
sbrk(allocate heap memory)	9	$a0 = number of bytes to allocate