Chapter 38. TIC54X Dependent Features
215
.field value [,size]
Initialize a bitfield of
size
bits in the current section. If
value
is relocatable, then
size
must
be 16.
size
defaults to 16 bits. If
value
does not fit into
size
bits, the value will be truncated.
Successive
.field
directives will pack starting at the current word, filling the most significant
bits first, and aligning to the start of the next word if the field size does not fit into the space
remaining in the current word. A
.align
directive with an operand of 1 will force the next
.field
directive to begin packing into a new word. If a label is used, it points to the word that
contains the specified field.
.global symbol [,...,symbol_n]
.def symbol [,...,symbol_n]
.ref symbol [,...,symbol_n]
.def
nominally identifies a symbol defined in the current file and availalbe to other files.
.ref
identifies a symbol used in the current file but defined elsewhere. Both map to the standard
.global
directive.
.half value [,...,value_n]
.uhalf value [,...,value_n]
.short value [,...,value_n]
.ushort value [,...,value_n]
.int value [,...,value_n]
.uint value [,...,value_n]
.word value [,...,value_n]
.uword value [,...,value_n]
Place one or more values into consecutive words of the current section. If a label is used, it points
to the word allocated for the first value encountered.
.label symbol
Define a special
symbol
to refer to the load time address of the current section program counter.
.length
.width
Set the page length and width of the output listing file. Ignored.
.list
.nolist
Control whether the source listing is printed. Ignored.
.long value [,...,value_n]
.ulong value [,...,value_n]
.xlong value [,...,value_n]
Place one or more 32 bit values into consecutive words in the current section. The most signif 
icant word is stored first.
.long
and
.ulong
align the result on a longword boundary;
xlong
does not.
.loop [count]
.break [condition]
.endloop
Repeatedly assemble a block of code.
.loop
begins the block, and
.endloop
marks its termi 
nation.
count
defaults to 1024, and indicates the number of times the block should be repeated.






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