Question

Analyze the following register transfer statements as legal or not legal
for the data path used in Branch Register Minus (BRM) microprogram.
If it is not legal, rewrite it as a sequence of micro-operations to perform
the indicated task.

i. MBR ← M[PC]
ii. AC ← AC + PC
iii. MAR ← PC
iv. IR ← MAR

Answer 1

Answer:

Explanation:

nalyze the following register transfer statements as legal or not legal

for the data path used in Branch Register Minus (BRM) microprogram.

If it is not legal, rewrite it as a sequence of micro-operations to perform

the indicated task.

i. MBR ← M[PC]

ii. AC ← AC + PC

iii. MAR ← PC

iv. IR ← MAR