S A M P L E 

				  Quiz #9

Name ___________________   Honor Code________________________    Section _____

Some portions of the compilation process have been blanked out.  Show your
	                                 ^^^^^^^^^
                                 [will be on the real quiz]
understanding of the process by recreating the information in the boxes.
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Derivation	      Rules
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(1) <s>1	      R3:  <s>1 -> <i>2=<e>3;	  code(<s>1) = code(<e>3)
							       COPY AX,M(<e>3)
							       COPY M(<i>2),AX
	    MEANING   code(<s>1) = code(<e>3)
			           COPY AX,M(<e>3)
			           COPY M(<i>2),AX
(2) <i>2=<e>3;	      R1:  <i>2 -> R		  M(<i>2) = R

	    MEANING   code(<s>1) = code(<e>3)
			           COPY AX,M(<e>3)
			           COPY R,AX
(3) R=<e>3;	      R5: <e>3 -> (<e>4 * <e>5)   M(<e>3) = CN1
						  code(<e>3) = code(<e>4)
						               code(<e>5)
						               COPY AX, M(<e>4)
						               MUL  AX, M(<e>5)
						               COPY M(<e>3),AX
	    MEANING   code(<s>1) = code(<e>4)
			           code(<e>5)
			           COPY AX, M(<e>4)
			           MUL  AX, M(<e>5)
			           COPY CN1,AX
			           COPY AX,CN1
			           COPY R,AX
(4) R=(<e>4 * <e>5);  R2: <e>4 -> <i>6	  	  M(<e>4) = M(<i>6)
						  code(<e>4) = //nothing//
	    MEANING   code(<s>1) = //nothing//
			           code(<e>5)
			           COPY AX, M(<i>6)
			           MUL  AX, M(<e>5)
			           COPY CN1,AX
			           COPY AX,CN1
			           COPY R,AX
(5) R=(<i>6 * <e>5);  R1: <i>6 -> S		  M(<i>6) = S
	    MEANING   code(<s>1) = code(<e>5)
			           COPY AX, S
			           MUL  AX, M(<e>5)
			           COPY CN1,AX
			           COPY AX,CN1
			           COPY R,AX
(6) R=(S * <e>5);     R2: <e>5 -> <i>7	  	  M(<e>5) = M(<i>7)
						  code(<e>5) = //nothing//
	    MEANING   code(<s>1) = //nothing//
			           COPY AX, S
			           MUL  AX, M(<i>7)
			           COPY CN1,AX
			           COPY AX,CN1
			           COPY R,AX
(7) R=(S * <i>7);     R1: <i>7 -> T		  M(<i>7) = T
	    MEANING   code(<s>1) = COPY AX, S
			           MUL  AX, T
			           COPY CN1,AX
			           COPY AX,CN1
			           COPY R,AX
(8) R=(S * T);