;This program calculates the total sum of five words of data.  Each data value represents the yearly
; wages of a worker.  This person does not make more than $65,555 (FFFFH) a year

   TITLE     	PROG3-1B  (EXE)   ADDING 5 WORDS
   PAGE 	60,132
   .MODEL SMALL
   .STACK 64
   ;--------------
   		.DATA
   COUNT     	EQU 	05
   DATA      	DW 		27345,28521,29533,30105,32375
             	ORG	0010H
   SUM       	DW 		2 DUP(?)
   ;--------------
   		.CODE
   MAIN      	PROC 	FAR
             	MOV  	AX,@DATA
             	MOV  	DS,AX
             	MOV  	CX,COUNT	;CX is the loop counter
             	MOV  	SI,OFFSET DATA	;SI is the data pointer
             	MOV  	AX,00   		;AX will hold the sum
             	MOV  	BX,AX		;BX will hold the carries
   BACK:      	ADD  	AX,[SI]		;add the next word to AX
             	ADC  	BX,0		;add carry to BX
             	INC  	SI		;increment data pointer twice
             	INC  	SI		;   to point to next word
             	DEC  	CX		;decrement loop counter
             	JNZ  	BACK		;if not finished, continue adding
             	MOV  	SUM,AX		;store the sum  
             	MOV  	SUM+2,BX	;store the carries
             	MOV  	AH,4CH
             	INT  	21H		;go back to DOS
   MAIN      	ENDP
               	END  	MAIN