Shift and Rotate Instructions

SAR and SHR shift the bits of the operand downward. The low-order bit is shifted into the carry flag. The effect is to divide the operand by 2. SAR performs a ...

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The SAR and SHR instructions can be used to perform signed or unsigned division, respectively, of the destination operand by powers of 2. For example, using the ...

sar right shifts (signed divides) a byte, word, or long value for a count specified by an immediate value and stores the quotient in that byte, word, or long ...

Assembly Language. Lecture 7 - Integer Arithmetic ... SAR (Shift Arithmetic Right) performs a right arithmetic ... SAR reg, imm8. SAR mem, imm8. SAR reg, CL. SAR.

2012年10月10日 — SAR command in X86 assembly with one parameter ... What does this do? I know that sar with two arguments performs a right shift, but I can't find ...

16. The SAR Instruction, Shift Arithmetic Right · Same as SHR, except that most-significant bit (MSB) is shifted back to itself. · This preserves the original ...

由 KR Irvine 著作 · 被引用 109 次 — SAR (shift arithmetic right) performs a right arithmetic shift on the destination operand. CF. An arithmetic shift preserves the number's sign. mov dl,-80 sar ...

sar right shifts (signed divides) a byte, word, or long value for a count specified by an immediate value and stores the quotient in that byte, word, or long ...