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Wednesday, 23 March 2011
CMA instruction in 8085
Explain the execution of the instruction CMAin 8085.
CMA - Complement Accumulator
The Complement Accumulator (CMA) instruction provides a 1’s complement of the 8 bits in the A register, i.e the 1’s are set to 0’s and the 0’s are set to 1’s.
if contents of accumulator are all one's then result would be zero so Z flag should be affected .....but here it is written that no flags is affected...
if contents of accumulator are all one's then result would be zero so Z flag should be affected .....but here it is written that no flags is affected...
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