计算机原理 第三次计算机原理.doc

计算机原理 第三次计算机原理 导读：就爱阅读网友为您分享以下“第三次计算机原理”资讯，希望对您有所帮助，感谢您对92的支持! data segment buf dw 60,70,80,90,95,98,20,30,40,50 dw 25,35,65,67,88,99,100,78,12,23 data4 db ? data5 db ? buf1 db ‘ my name is chongkun 201383109’,0dh,0ah,’$’ buf2 db 0dh,0ah,’$’ buf3 db ‘ The average score is ‘,’$’ buf4 db ‘80,100,100,80,75,66,58,100,69,95’,0dh,0ah, ‘95,72,78,58,62,63,98,91,72,78’,0dh,0ah, ‘90,85,67,74,82,59,66,88,99,77’,0DH,0AH,’$’ data ends ssg1 segment dw 100 dup(?) ssg1 ends code segment assume cs:code,ds:data,ss:ssg1 main: mov ax,data mov ds,ax lea dx,buf1 mov ah,09h int 21h lea dx,buf4 mov ah,09h int 21h call accum call average call conver lea dx,buf3 mov ah,09h int 21h call display conver: mov al,data2 mov ah,0 mov bl,100 div bl mov data3,al mov al,ah mov ah,0 mov bl,10 div bl dw 100,90,80,70,60,50,59,68,79,90 count equ ($-buf)/2 data1 dw ? data2 db ? data3 db ? mov data4,al mov data5,ah ret accum: mov cx,count mov ax,0 lea bx,buf lop: add ax,[bx] add bx,2 loop lop mov data1,ax ret average: mov ax,data1 mov bl,count div bl mov data2,al ret display: lop3: mov si,offset data3 mov al,ds:[si] and al,0f0h mov cl,04h shr al,cl add al,30h mov dl,al mov al,ds:[si] and al,0fh add al,30h mov dl,al mov ah,02h int 21H mov si,offset data4 and al,0f0h mov cl,04h shr al,cl add al,30h mov dl,al mov al,ds:[si] and al,0fh add al,30h mov dl,al lop4: mov al,ds:[si] mov ah,02h int 21H lop5: mov si,offset data5 mov al,ds:[si] and al,0f0h