Status flags in 8085 microprocessor
Write about the status flags within the 8085 microprocessor?
Expert
Following status flags have been offered within the Intel 8085:
a) Carry (CS):- In case there exist a carry from the addition or borrow from the subtraction or the comparison, carry flag CS is set to 1; otherwise it is set to 0.
b) Zero (Z):- Zero status flag Z is set to 1 if result of arithmetic or the logical operation comes out to be zero. For non-zero result it is set to 0.
c) Sign(S):- Sign status flag is set to 1 in case, the most significant bit of result of an arithmetic or logical operation is 1, otherwise it is set to 0.
d) Parity (P):- Parity status flag is set to 1 if result of the operation consists of the even number of 1s. It is then set to 0 when there is odd number of 1s.
e) Auxillary Carry (AC):- Auxillary carry status flag holds the carry out of bit 3 to 4 resulting from the execution of an arithmetic operation.
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Dear friends, i got a problem when i run the model it gives results throughout. However, for times and utilization, queues and other information in the arena report return zero !? please help experts ^_^ thanks in advance this is my coding file: http://www.4shared.com/file/s40g-TmG/PORT_MODE
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