DATAS SEGMENT

X DB 1AH,0BAH,23H,45H,67H,89H,0AH,0BAH

COUNT EQU $ - X

Y DB 2DH,0EFH,09H,87H,65H,43H,2DH,0EFH

Z DB COUNT DUP (0)

DATAS ENDS

CODES SEGMENT

ASSUME CS:CODES, DS:DATAS

START:

MOV AX, DATAS

MOV DS, AX

;---------------------------

;兩個多位16進位制數相加

;樓主所要求的，就是下面這些：

MOV BX, 0

MOV CX, COUNT

CLC

AGAIN:

MOV AL, X[BX]

ADC AL, Y[BX]

MOV Z[BX], AL

INC BX

LOOP AGAIN

;---------------------------

EXTI: ;結束程式

MOV AH, 4CH

INT 21H

CODES ENDS

END START