ffff:0-ffff:d内存中数值求和放入dx寄存器中 代码: add.asm assume cs:code code segment mov ax,0ffffH mov ds,ax mov dx, mov al,ds:[] mov ah, add dx,ax mov al,ds:[] mov ah, add dx,ax mov al,ds:[] mov ah, add dx,ax mov al,ds:[] mov ah, add dx,ax mov al,ds:[] mov ah, add…