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Keyword
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Description
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BYTE, DB (byte)
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Allocates unsigned numbers from 0 to 255.
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SBYTE (signed byte)
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Allocates signed numbers from 128 to +127.
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WORD, DW (word = 2 bytes)
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Allocates unsigned numbers from 0 to 65,535 (64K).
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SWORD (signed word)
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Allocates signed numbers from 32,768 to +32,767.
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DWORD, DD (doubleword = 4 bytes)
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Allocates unsigned numbers from 0 to 4,294,967,295 (4 megabytes)
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SDWORD (signed doubleword)
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Allocates signed numbers from 2,147,483,648 to +2,147,483,647.
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FWORD, DF (farword = 6 bytes)
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Allocates 6-byte (48-bit) integers. These values are normally used only as pointer
variables on the 80386/486 processors.
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QWORD, DQ (quadword = 8 bytes)
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Allocates 8-byte integers used with 8087-family coprocessor instructions.
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TBYTE, DT (10 bytes)
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Allocates 10-byte (80-bit) integers if the initializer has a radix specifying the
base of the number.
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