Directives Summary
4-3
Assembler Directives
Table 4–1. Assembler Directives Summary (Continued)
(b) Directives that initialize constants (data and memory)
Mnemonic and Syntax
Description
Page
.bes
size in bits
Reserve
size bits in the current section; note that a
label points to the last addressable word in the
reserved space
.byte
value
1
[,
... , value
n
]
.char
value
1
[,
... , value
n
]
Initialize one or more successive words in the current
section
.double
value
1
[,
... , value
n
]
.ldouble
value
1
[,
... , value
n
]
Initialize one or more 64-bit, IEEE double-precision,
floating-point constants
.field
value [, size in bits]
Initialize a variable-length field
.float
value [, ... , value
n
]
Initialize one or more 32-bit, IEEE single-precision,
floating-point constants
.half
value
1
[,
... , value
n
]
.short
value
1
[, ... ,
value
n
]
Initialize one or more 16-bit integers
.int
value
1
[, ... ,
value
n
]
Initialize one or more 16-bit integers
.long
value
1
[, ... ,
value
n
]
Initialize one or more 32-bit integers
.pstring ”
string
1
” [, ... ,”
string
n
”]
Initialize one or more text strings (packed).
.space
size in bits;
Reserve
size bits in the current section; note that a
label points to the beginning of the reserved space
.string ”
string
1
” [, ... , ”
string
n
”]
Initialize one or more text strings
.ubyte
value
1
[,
... , value
n
]
.uchar
value
1
[,
... , value
n
]
Initialize one or more successive words in the current
section
.uhalf
value
1
[,
... , value
n
]
.ushort
value
1
[, ... ,
value
n
]
Initialize one or more unsigned 16-bit integers
.uint
value
1
[, ... ,
value
n
]
Initialize one or more unsigned 16-bit integers
.ulong
value
1
[, ... ,
value
n
]
Initialize one or more unsigned 32-bit integers
.uword
value
1
[, ... ,
value
n
]
Initialize one or more unsigned16-bit integers.
.word
value
1
[, ... ,
value
n
]
Initialize one or more 16-bit integers.
.xfloat
value
1
[, ...,value
n
]
Initialize one or more 32-bit, IEEE single-precision,
floating-point constants, but do not align on long
word boundary.
.xlong
value
1
[, ...,value
n
]
Initialize one or more 32-bit integers, but do not
align on long word boundary.
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