$5\mathrm{.}20$

$($a$)$ What are the conditions an SM chart must satisfy in order to realize it$,$ using single$-$address microprogramming with a counter, ROM, and multiplexer as in Figure $5-33?$

$($b$)$ Give the modified SM chart and the required state assignment if the SM chart of Problem $5\mathrm{.}18$ is realized with this kind of microprogramming$\mathrm{.}5\mathrm{.}20($a$)$ What are the conditions an SM chart must satisfy in order to realize it$,$ using single$-$address microprogram$-$

ming with a counter, ROM, and multiplexer as in Figure $5-33?$

$($b$)$ Give the modified SM chart and the required state assignment if the SM chart of Problem $5\mathrm{.}18$ is realized

with this kind of microprogramming.