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The flag that acts as Borrow flag in the instruction, SBB is

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in Microprocessor by (39.4k points)
The flag that acts as Borrow flag in the instruction, SBB is

(a) direction flag

(b) carry flag

(c) parity flag

(d) trap flag

I have been asked this question by my school teacher while I was bunking the class.

Enquiry is from Instruction Set of 8086/8088 topic in division 8086/88 Instruction Set and Assembler Directives of Microprocessor

1 Answer

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by (49.2k points)
The correct option is (b) carry flag

To explain I would say: If borrow exists in the subtraction operation performed then carry flag is set.

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