微机课程设计报告(17)

mov bx,fsf1 cmp dx,bx jnz tiaozh cmp dx,0 jz huizh1 mov fsf,dx

;清除进位标志

huizh1: mov cx,10 mov si,0

addnext_bit:mov al,numb0[si]

adc al,numb1[si] aaa

mov numb0[si],al inc si

loop addnext_bit jc start mov numb1f,1 jmp xs

addp endp

;----------------------------------------------------------------------------------------- ;减法子程序 (带小数) subp proc push ax push dx clc ;清除进位标志 mov dx ,fsf0 mov bx,fsf1 cmp dx,bx jnz tiaozh