What we have learned

R-type instructions - register addressing

ADD
SUB
OR
AND
XOR
NOR

I-Type instructions - immediate addressing

ADDI
ANDI
ORI
XORI

I-type - unsigned 16 bit immediate

ADDIU
ANDIU

I-type instructions - 2 registers, 16 bit immediate (base-displacement addressing)

LW
SW
LH/SH
LB/SB
LHU, LBU

General format

.text

.globl main
main:
	# instructions here

.data
# allocation of memory

MIPS Directives

Directive	Meaning
align n	Align next datum on $2^n$ boundary
.asciiz str	Place the null-terminated string str in memory
.byte b1,b2,..bn	Place the n byte values in memory
.data	Switch to the data segment
.double d1,d2,..dn	Place the n double-precision value in memory
.float f1,f2,..,fn	Place the n single-precision value in memory
.global sym	The label sym can be referenced in other files
.half h1, h2,..hn	Place the n half-word values in memory
.space n	Allocated n bytes of space
.text	Switch to the text segment
.word w1, w2,...wn	Place the n word value in memory

For the register types visit [[Mips Registers]]