Sbb eax,eax
SBB assembly
Subtraction with borrow instruction
X86 neg
SBB instruction example
SBB instruction in 8086 example
Neg instruction
Intel Instruction Set Reference

All references in this video came from:Assembly Language for x86 Processors (6th Edition) http Duration: 4:52 Posted: filexlib. How subtraction is performed using SBB instruction? SBB--Integer Subtraction with Borrow Adds the source operand (second operand) and the carry (CF) flag, and subtracts the result from the destination operand (first operand) . The result of the subtraction is stored in the destination operand. Which flag is affected by SBB instruction? SBB adds the second operand (DEST) to the carry flag (CF) and subtracts the result from the first operand (SRC). The result of the subtraction is assigned to the first operand (DEST), and the flags are set accordingly.
The SBB instruction is usually executed as part of a multibyte or multiword subtraction in which a SUB instruction is followed by a SBB instruction. Operation.
Your analysis of this instruction is correct. SBB means "subtract with borrow". It subtracts the source from the destination in a way that takes Substracting 64bit numbers in x86 assembler? - Stack Overflow Use of sbb instruction and Carry Flag - assembly - Stack Overflow assembly - Associativity of ADC and SBB - Stack Overflow Problems with ADC/SBB and INC/DEC in tight loops on some CPUs More results from stackoverflow.com
Basic Architecture, Order Number 253665; Instruction Set Reference A-L, Order Number 253666; SBB—Integer Subtraction with Borrow.
I have seen some (uncommented) Intel assembler code that frequently uses the following pair of lines: sbb eax,eax sbb eax,0FFFFFFFFh
The SBB instruction is usually executed as part of a multibyte or multiword subtraction in which a SUB instruction is followed by a SBB
The SBB instruction is usually executed as part of a multibyte or multiword subtraction in which a SUB instruction is followed by a SBB instruction. This Op/En: Operand 1
What is SBB instruction? Now in 8085, to facilitate such an operation, SBB instruction has been provided to subtract two numbers along with the borrow value . SBB is a mnemonic that stands for 'SuBtract with Borrow' and 'R' stands for any of the following 7 registers, and also memory location M as pointed by HL register pair.
Intel x86 Instruction Set Architecture Same operand rules as for the MOV instruction The SBB (subtract with borrow) instruction subtracts. SBB - Subtract with Borrow/Carry Usage: SBB dest,src Modifies flags: AF CF OF PF SF ZF Subtracts the source from the destination, and subtracts 1 extra if
Intel x86 Instruction Set Architecture Same operand rules as for the MOV instruction The SBB (subtract with borrow) instruction subtracts. SBB - Subtract with Borrow/Carry Usage: SBB dest,src Modifies flags: AF CF OF PF SF ZF Subtracts the source from the destination, and subtracts 1 extra if

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