4-23.asm

基于汇编语言的几个微机接口程序

4-23题


TITLE   8086 Code Template (for EXE file)

;       AUTHOR          emu8086
;       DATE            ?
;       VERSION         1.00
;       FILE            ?.ASM

; 8086 Code Template

; Directive to make EXE output:
       #MAKE_EXE#

DSEG    SEGMENT 'DATA'

; TODO: add your data here!!!!
A1 DW 1234H,3657H,4098H,3345H,5589H,1111H,8907H,3457H,6678H,2234H
A2 DW 10 DUP(?)
MIN DW ?
I DW ?

DSEG    ENDS

SSEG    SEGMENT STACK   'STACK'
        DW      100h    DUP(?)
SSEG    ENDS

CSEG    SEGMENT 'CODE'

;*******************************************

START   PROC    FAR

; Store return address to OS:
    PUSH    DS
    MOV     AX, 0
    PUSH    AX

; set segment registers:
    MOV     AX, DSEG
    MOV     DS, AX
    MOV     ES, AX


; TODO: add your code here!!!!
MOV BX,OFFSET A1
MOV DI,OFFSET A2

    MOV CX,10
    
    
    
LOP1: MOV AX,[BX]
      MOV SI,BX
      MOV I,0
      LOOP LOP2
      JMP LOP5
      
      
LOP2: INC I
      ADD SI,2
      MOV DX,[SI]
      CMP AX,DX
      JAE LOP3
      CMP I,CX
      JNZ LOP2
      JMP LOP4
      
LOP3: MOV [SI],AX
      MOV [BX],DX 
      MOV AX,DX 
      CMP I,CX
      JNZ LOP2
      JMP LOP4

LOP4: MOV [DI],AX
      ADD DI,2
      ADD BX,2
      JMP LOP1
      
LOP5: MOV DI,OFFSET A1
      MOV SI,OFFSET A2
      MOV CX,10
      JMP JUST
      
JUST: MOV AX,[SI]
      MOV [DI],AX
      ADD DI,2
      ADD SI,2
      LOOP JUST



MOV AX, 4C00h ; exit to operating system.
INT 21h    
      
      
 
      

; return to operating system:
    RET
START   ENDP

;*******************************************

CSEG    ENDS 

        END    START    ; set entry point.