mov ax,F4A3H AX=F4A3H
mov ah,31H AX=31A3H
mov al,23H AX=3123H
add ax,ax AX=6246H
mov bx,826CH BX=826CH
mov cx,ax CX=6246H
mov ax,bx AX=826CH
mov al,bh
汇编语言计算方法
原文：http://www.cnblogs.com/guohaoyu110/p/7622882.html
