Consider the following E$15$ assembly program.

$\frac{?}{?}*$ OPCODE $SRCDST$ IMMDATA$\frac{*}{}$

myROM$[0]=\{jmp,Rxx,Rxx,4^{\text{'}}b0010\}$;

myROM$[1]=\{jmp,Rxx,Rxx,4^{\text{'}}b0000\}$;

myROM $[2]=\{movi,Rxx,Rg0,4\text{'}b1111\}$;

myROM$[3]=\{cm,Rxx,Rg0,4^{\text{'}}b0000\}$;

myROM$[4]=\{jz,Rxx,Rxx,4^{\text{'}}b1101\}$;

myROM $[5]=\{movi,RXX,Rg1,4\text{'}b1111\}$;

myROM $[6]=\{cm,Rxx,Rg1,4\text{'}b0000\}$;

myROM$[7]=\{jz,Rxx,Rxx,4^{\text{'}}b0011\}$;

myROM $[8]=\{subi,RXX,Rg1,4\text{'}b0001\}$;

myROM$[9]=\{jmp,Rxx,Rxx,4^{\text{'}}b1101\}$;

myROM$[10]=\{subi,Rxx,Rg0,4\text{'}b0001\}$;

myROM$[11]=\{jmp,Rxx,Rxx,4^{\text{'}}b1000\}$;

myROM$[12]=\{jmp,Rxx,Rxx,4^{\text{'}}b0000\}$;

myROM$[13]=\{jmp,Rxx,Rxx,4^{\text{'}}b0000\}$;

myROM$[14]=\{jmp,Rxx,Rxx,4^{\text{'}}b0000\}$;

myROM$[15]=\{jmp,Rxx,Rxx,4^{\text{'}}b0000\}$;

$($a$)$ When this program is run, how many times will the instruction in ROM cell $8$ be executed?

Explain.

$($b$)$ How many times will the instruction in ROM cell $10$ be executed? Explain.

$($c$)$ How many times will the instruction in ROM cell $12$ be executed? Explain.

$($d$)$ How many times will the instruction in ROM cell $1$ be executed? Explain.

$($e$)$ Your friend Rupert, who knows nothing about programming, wants to know what this program

does. Give them a high$-$level desription of what it does.