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58
Assembly Language Fundamentals
Upon encountering this pseudo-instruction, the assembler generates the words necessary to
store the value (in this case, only 1 word is necessary). It then stores the value (100) into the
word(s) and proceeds with the remaining assembly. Thus, the location of the words is depen-
dent upon the instruction's relative position in the source module, the same as with any
machine instruction.
The number of data words generated for each {expression} is dependent upon the result of the
{expression} -
Result
Words
Full-precision
4
Short-precision
2
Decimal integer
1
Octal integer
1
Address
l
1
Literal
1
String
actual length (2 characters per word)
If more than one {expression} is present, the necessary data words are generated in the order in
which they appear in the list. As an example, if you were to include the instruction -
ten words would be set aside and initialized to the appropriate values -
1 including "external"
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