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Question

How many times is this loop going to get execute?

LDI R20, 10
now: LDI R21, 70
DEC R21
BRNE now
OUT PORTB, R20

a.

10

b.

70

c.

700

d.

none of the mentioned

Posted under Computer Architecture

Answer: (b).70

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Q. How many times is this loop going to get execute? LDI R20, 10 now: LDI R21, 70 DEC R21 BRNE now OUT PORTB, R20

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