AI-Generated Quiz by NoteTube
Question 1 of 5
What is the primary function of the `LDRB R2, [R0, R1]` instruction at the beginning of the `main_loop`?
Question 2 of 5
Which GPIO ports are controlled by the code block that uses the mask `0b01110011`?
Question 3 of 5
What is the purpose of the `LSR R6, #2` instruction in the GPIOB handling block?
Question 4 of 5
How does the code ensure that the delay subroutine returns to the correct location after execution?
Question 5 of 5
What condition causes the program to exit the `main_loop` and reset the digit counter?
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