# Assembler #

- Uso delle syscall in QtSpim

  -----------------------------------------------------------------------------
  |                       | Code   |  Arguments                  | Result
  -----------------------------------------------------------------------------
  | print integer         |  1     | $a0 = value                 | (none)
  ------------------------------------------------------------------------------
  | print string          |  4     | $a0 = address of string     | (none)
  ------------------------------------------------------------------------------
  | read integer          |  5     | (none)                      | $v0 = value
  ------------------------------------------------------------------------------
  | read string           |  8     | $a0 = addr. for string buf. | 
  |                       |        | $a1 = #chars to read + 1    | (none)
  ------------------------------------------------------------------------------
  | exit (end of program) |  10    | (none)                      | (none)
  ------------------------------------------------------------------------------
  | print character       |  11    | $a0 = integer               | (none)
  ------------------------------------------------------------------------------
  | read character        |  12    | (none)                      | $v0 = char
  ------------------------------------------------------------------------------

- Esempio:
	```
	add $a0, $t0, $t1   # $a0 = x + y
	addi $v0, $zero, 1  # carica codice print integer
	syscall 
	```
- Discussione su esercizio 3

# C #
- Discussione esercizio 13