emu8086删除更多算术平均值的项目 [英] emu8086 remove items more arithmetic mean

问题描述

组织键盘输入

您必须从键盘指定一维元素数组 该数组是找到算术平均值所必需的 删除项目，算术平均值更高 打印生成的元素数组(元素不超过算术平均值)

You must specify a one-dimensional array of elements from the keyboard This array is necessary to find the arithmetic mean Remove items more arithmetic mean Print the resulting array of elements (elements with no more than the arithmetic mean)

;srednee arifmiticheskoe
data segment
    mas dw 2, 4, 6, 8, 10
    n dw 0
ends

stack segment
    dw   128  dup(0)
ends

code segment
start:
; set segment registers:
    mov ax, data
    mov ds, ax
    mov es, ax

xor ax, ax
xor si, si
mov cx, 5
@1:
add ax, mas[si]
add si, 2
inc n
loop @1
cwd
idiv n

    mov ax, 4c00h ; exit to operating system.
    int 21h    
ends

end start ; set entry point and stop the assembler.

推荐答案

我将展示如何输出不大于平均值的元素.要输出整数，请先将数字转换为文本.

I'll show how to output the elements that are not greater than the mean value. To output an integer you first convert the number into text.

 ...
 idiv n     ; -> AX=mean
 mov dx,ax  ; -> DX=mean
 mov cx,n   ; -> CX=count
 xor si,si
Show:
 mov ax, mas[si]
 add si, 2
 cmp ax,dx
 jg Skip
 pusha
 ; Insert here YourRoutineThatOutputsAnInteger
 mov dl,32
 mov ah,2
 int 21h  ;Output a space to separate numbers
 popa
Skip:
 loop Show
 mov ax, 4c00h ; exit to operating system.
 int 21h
 ...

MyRoutineThatOutputsAnInteger

MyRoutineThatOutputsAnInteger

 mov bx,sp
 mov cx,10
next:
 xor dx,dx
 div cx
 add dl,30h
 push dx
 test ax,ax
 jnz next
print:
 pop dx
 mov ah,2
 int 21h
 cmp sp,bx
 jb print

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