帮忙显示结果(页 1) - 汇编论坛

jhtyolg20002 发表于 2007-12-4 22:35

帮忙显示结果

data segment
M db 12,-35,-51,35,-16,6,13,-10,32,15,-7,-5,8,19,65,-19,14,-30 ;定义数组
P db 20 dup(?)
N db 20 dup(?)
data ends
code segment
assume ds:data,cs:code
main proc far

start:
   mov ax,data
   mov ds,ax

   mov cx,14h ;循环次数
   mov si,0
   mov bx,0
   mov bp,0
L1:
   mov ax,M[si]  ;开始与零比较
   cmp ax,0
   jae L2       ;大于等于0运行L2
   jb L3          ;小于0运行L3
L2:
   mov P[bx],ax ;把大于等于0的数存进数组P
   inc bx          ;bx用来记录数组长度
   loop L1
L3:
   mov N[bp],ax
   inc bp
   loop L1

   mov ah,4ch
   int 21h
   ret
main endp
code ends
end start

zhoulikelvjj 发表于 2007-12-5 00:12

data segment
M db 12,-35,-51,35,-16,6,13,-10,32,15,-7,-5,8,19,65,-19,14,-30 ;定义数组
len equ $-M
P db 20 dup(?)
N db 20 dup(?)
zs byte 3 dup (?),'$'
fs1 byte 3 dup (?),'$'
data ends
code segment
assume ds:data,cs:code

start:
   mov ax,data
   mov ds,ax
   lea bx,M
   mov si,0
   mov di,0
   mov cx,len
  AGN:mov al,[bx]
   test al,80h
   jnz MINUS
   mov P[si],al
   inc si
   jmp EXT
MINUS:mov N[di],al
   inc di
  EXT:inc bx
   loop AGN

   mov ax,si
   mov bx,10
   mov si,2
AG:xor dx,dx       ;正数的个数，转换为ASCII码
   div bx
   or dl,30h
   mov zs[si],dl
   dec si
   cmp ax,0
   jnz AG
   lea dx,zs
   mov ah,9
   int 21h

   mov dl,0dh
   mov ah,2
   int 21h
   mov dl,0ah
   int 21h

   mov ax,di
   mov di,2
AG1:                ;负数的个数
   xor dx,dx
   div bx
   or dl,30h
   mov fs1[di],dl
   dec di
   cmp ax,0
   jnz AG1
   lea dx,fs1
   mov ah,9
   int 21h

   mov ah,4ch
   int 21h

   code ends
end start

kr^zHaYj 发表于 2007-12-5 09:30

DISAL PROC          ;子程序功能：将AL寄存器的内容以字符形式显示出来
      PUSH AX
      SHR    AL,4
      ADD    AL,30H
      MOV    AH,0EH
      INT    10H ;显示 al高4位
      POP    AX
      AND    AL,0FH ; Al高4位置00h  ,显示低4位
      ADD    AL,30H
      MOV    AH,0EH
      INT    10H
      RET
DISAL ENDP

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帮忙显示 结果

帮忙显示结果