cs2640

assembly directives

.data

subsequent items stored in Data segment at next available address

.text

Subsequent items (instructions) stored in Text segment at next available address

.word

Store listed value(s) as 32 bit words on word boundary

.ascii

Store the string in the Data segment and add null terminator

.asciiz

Store the string in the Data segment and add null terminator

.byte

Store the listed value(s) as 8 bit bytes

.align

Align next data item on specified byte boundary (0=byte, 1=half, 2=word, 3=double)

.half

Store the listed value(s) as 16 bit halfwords on halfword boundary

.space

Reverse the next specified number of bytes in data segment

.double

Store the listed values(s) as double precision floating point

.float

Store the listed value(s) as single precision floating point

.extern

Declare the listed label and byte length to be a global data field

.kdata

Subsequent items stored in Kernel Data segment at next available address

.ktext

Subsequent items (instructions) stored in Kernel Text segment at next available address

.globl

Declare the listed label(s) as global to enable referencing from other files

.set

Set assembler variables. Currently ignored but included for SPIM compatability

.eqv

Set second operand for first. First operand is symbol, second operand is expression (like #define)

.macro

Begin macro definition. See .end_macro

.end_macro

End macro definition. See .macro

.include

Insert the contents of the specified file. Put filename in quotes.