What are the functions of RIM, SIM, IN?
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Answer Posted / manoj saroha
RIM instruction is used to know which interrupt is masked
or not. first RIM instruction is given and then we have to
load in accumulator ex.RIM
mov A,08H
SIM is used to set or reset interrupt.In this first we have
to set and reset any interrupt and then execute SIM.
ex. mov A,09H
SIM
IN is used to store some data from port to accumulator.
ex. IN 08H i.e A-data
of location 08H
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