Question
Download Solution PDFAn RRC instruction in 8085 will affect which flag?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe Correct option is 1
Concept:
RRC instruction
Each bit of accumulator rotated right by one position
Bit D0 is placed in the position of D7 as well as in the carry flags
Flags affected
| D7 | D6 | D5 | D4 | D3 | D2 | D1 | D0 |
| Sign flag | Zero flag | X | Auxillary carry flag | x | Parity flag | X | Carry flag |
Since D0 is placed in the carry bit position value of carry bit is affected
S, Z,P, AC are not affected
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