Figure 14.60 gives a snapshot of the S machine's stack taken...

Figure 14.60 gives a snapshot of the $S$ machine's stack taken during execution of a call to StringToNum (figure 14.59). The program counter, at the time of this snapshot, points to an $\sin 4$ instruction within the procedure NextDigit. A. What value is about to be returned from NextDigit? B. What is the value in the 4 bytes starting at address 1972 in figure 14.60 ? C. What is the address in the figure of the local variable index? D. What value will be returned by StringToNum when execution proceeds from the state shown in the figure? E. What are the values of the arguments to StringToNum in the figure? F. What is the value located in the byte at address 1001 in the figure? G. What is the instruction located at 4444 in the figure?

Figure 14.60 gives a snapshot of the $S$ machine's stack taken during execution of a call to StringToNum (figure 14.59). The program counter, at the time of this snapshot, points to an $\sin 4$ instruction within the procedure NextDigit.
A. What value is about to be returned from NextDigit?
B. What is the value in the 4 bytes starting at address 1972 in figure 14.60 ?
C. What is the address in the figure of the local variable index?
D. What value will be returned by StringToNum when execution proceeds from the state shown in the figure?
E. What are the values of the arguments to StringToNum in the figure?
F. What is the value located in the byte at address 1001 in the figure?
G. What is the instruction located at 4444 in the figure?

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