System Calls

$v0 is where you store the code of the syscall you want.

Print a number

Integer:

li $v0, 1 
li $a0, 151 # number to print
syscall

Single floating point:

li $v0, 1 
l.s $f12, floatTwo # number to print
syscall

Double floating point:

li $v0, 1 
l.d $f12, doubleTwo # number to print
syscall

Print a string

Prints a null-termianted string

li $v0, 4
la $a0, stringToPrint # string to print
syscall

Print a character

li $v0, 11
li $a0, 48 # ascii charto print
syscall

Print a character

la $s0, charToPrint
li $v0, 11
lb $a0, ($s0) # char to print
syscall

Read a number

Returns the number typed in terminal
Limit to 32-bits
Cannot read 64-bit integers

li $v0, 5
syscall

Read a float

li $v0, 6
syscall

Read a double

li $v0, 7
syscall

Read a string

li $v0, 8
la $a0, bufferToSaveInto
li $a1, 10 # length of buffer
syscall

Terminate the program

li $v0, 10
syscall