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Question 4.4: Assume that bit P2.3 is an input and represents the conditio...

Assume that bit P2.3 is an input and represents the condition of an oven. If it goes high, it means that the oven is hot. Monitor the bit continuously. Whenever it goes high, send a high-to-low pulse to port P1.5 to turn on a buzzer.

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HERE:           JNB    P2.3,HERE   ;keep monitoring for high

SETB   P1.5               ;set bit P1.5=1
CLR     P1.5               ;make high-to-low
SJMP  HERE           ;keep repeating

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