Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun computing A numerical value of four times the magnitude of a word, thus typically 64 bits.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

quad- +‎ word

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Examples

  • TYPE Operator Syntax: TYPE operand The TYPE operator returns 1 if the operand is a byte variable; 2 if the operand is a word variable; 4 if the operand is a doubleword variable; 8 if the operand is a quadword variable; 10 if the operand is a ten-byte variable; and the number of bytes allocated by the structure if the operand is a structure name

    DOCUMENTATION: A86 Assembler Package by Eric Isaacson Chapter 8 1990

  • B or BYTE: byte-sized memory variable W or WORD: word (2 byte) sized memory variable D or DWORD: doubleword (4-byte) sized memory variable Q or QWORD: quadword (8-byte) sized memory variable T or TWORD: 10-byte-sized memory variable NEAR: program label accessed within a segment FAR: program label accessed from outside this segment ABS: an absolute number (i.e., an immediate constant)

    DOCUMENTATION: A86 Assembler Package by Eric Isaacson Chapter 10 1990

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