Ex. 5.1.1	;;Interpret into assembly instructions

a.	if A >= 0, X = A else if A < 0, X = -A 

	
		
	cmp	A,0       ;is A >=0 true?
	jnge	Lab1      ; if A>=0 is false, go to Lab1
	mov	ax,A      ; if true, put A in ax
	mov	X,ax      ; and X = A
	jmp	Done
			
	Lab1:	
		mov	ax,A   ;if false, put A in ax
		neg	ax     ; -A
		mov	X,ax   ;X = -A
				
		Done:

			
		
1b.	if (A <= B) then Max = B else Max = A

	mov	ax,A	;put A in ax
	cmp	ax,B	;is A <= B?	
	jnle	Lab1	;if A <= B is false, go to Lab1
	mov	ax,B	;if true, put B in ax
	mov	Max,ax	; Max = B
	jmp	Done
	
	Lab1:
		mov	ax,A	;if false then
		mov	Max,ax	; Max = A
	Done:
	
		
1c.	if (Minute == 59) then (Minute = 0 and Hour = Hour + 1) else Minute = Minute + 1

	cmp	Minute,59	;does Minute == 59?
	jne	Lab1		; if false, go to Lab1
	mov	Minute,0	; if true, Minute = 0 and
	inc	Hour		;Hour = Hour +1
	jmp	Done
	Lab1:
		inc	Minute	; if false, Minute = Minute +1
	Done:
	
1e.	if (C >= 'A') and (C <= 'Z') then UpperCase = 1 else UpperCase = 0

	cmp	C,'A'	;is C >=A true?
	jnge	Lab1	; if false, go to Lab1
	cmp	C,'Z'	;if true, is C < = Z
	jnle	Lab1	;if false go to Lab1
	mov	UpperCase,1	; if true UpperCase =1
	jmp	Done
	
	Lab1:
		move UpperCase,0	;if false, UpperCase=0
		
	Done:
	
1f.	if [X > 0 then SgnX = 1 else if X < 0 then SgnX = -1] else SgnX = 0

	cmp	X,0	;is X >0 true?
	jng	Lab1	; if false, go to Lab1
	mov	SgnX,1	;if true, SgnX =1
	jmp	Done
	
	Lab1:	
		jnl	Lab2	;if X<0 is false, go to Lab2
		mov	SgnX,-1	;if it is true, SgnX = -1
		jmp	Done
		
	Lab2:
		mov	SgnX,0	;if X < 0 is false, SgnX = 0
	Done:
		
5.1.2		

a.	if [(A >= 14) or (B == 17)] and (C != -5) then X = X + 1

	cmp	A,14	;is A >=14 true?
	jnge	Lab1	; if false, go to Lab1
	cmp	C,-5	; if true, is C != -5 true?
	jne	Done	; if false, go to Done
	inc	X	; else, X = X +1
	
	Lab1:
		cmp	B,17	; if A >= 14 is false
		jne	Done	; go to Done
	
	Done:
	
b.	if [(X > 5) and (Y < 0) or (Z <= 13) then A = 10] else A = 2

	cmp	X,5	; is X > 5 true?
	jng	Lab1	; if false, go to Lab1	
	cmp	Y,0	; if true, is Y < 0 true?
	jnl	Lab2	; if false, go to Lab2
		
	Lab1:	
		cmp	Z,13	;if X>5 is false, is Z <=13?
		jnle	Lab3	;if false, go to Lab3	
	Lab2:
		mov	A,10	;if Y<0 is false, A=10
		jmp	Done	
	Lab3:	
		mov	A,2	;if Z <=13 is false, A =2	
		
	Done:
	
5.1.3 ;;Interpret from assembly

a.	cmp	A,1
	jnl	A1
	mov	A,1
	A1:
	
	Means:	if (A < 1) then A = 1
	
b.	mov	ax, A
	cmp	ax, B
	jng	B1
	sub	B, ax
	jmp	B2
	
	B1:	
		mov	ax, B
		sub	A, ax
	B2:
	
	Means: if (A > B) then B = B - A else A = A - B
	
c.	mov	ax,A
	cmp	ax,100
	jnle	C1
	cmp	ax,10
	jnge	C1
	cwd
	idiv	B
	mov	A,ax
	
	C1:
	
	Means: if (A <= 100) and (A >= 10)then A = A / B
		
d.?	cmp	A,1
	je	D1
	cmp	A,2
	jne	D2
	
	D1:
		inc	A
		jmp	D3
	D2:
		dec	A
	D3:
	
	?  Means: if (A == 1) then A = A + 1 and if (A != 2) then A = A - 1