Question

The flag register of 8085 microprocessor contain the data AAH interrupt its meaning ?

Answer 1

Explanation:

The Flag register is a Special Purpose Register. Depending upon the value of result after any arithmetic and logical operation the flag bits become set (1) or reset (0). ... Sign Flag (S) – After any operation if the MSB (B(7)) of the result is 1, it indicates the number is negative and the sign flag becomes set, i.e. 1.

Answer 2

Answer:

S=1. (no. is negative i.e. MSB is 1)

Z=0. no. is nonzero)

Ac=0 (carry not generate while moving from D3 to D4)

P=1 (even no. of 1 present)

Cy=0 (carry not generate)