变量声明

变量声明

汇编语言 微机原理 8086

变量声明之dw

关于 WORD_VAR DW 5DUP(0, 1, 2), 7, -5, 'BY', 'TE',256，'HOWBIN'
的内存分配情况

程序代码

; multi-segment executable file template.

data segment
    ; add your data here!
    pkey db "press any key...$"   
    WORD_VAR  DW  5DUP(0, 1, 2), 7, -5, 'BY', 'TE', 256H,'HOWBIN'
ends

stack segment
    dw   128  dup(0)
ends

code segment
start:
; set segment registers:
    mov ax, data
    mov ds, ax
    mov es, ax  
    
    lea bx,WORD_VAR
  
    
            
    lea dx, pkey
    mov ah, 9
    int 21h        ; output string at ds:dx
    
    ; wait for any key....    
    mov ah, 1
    int 21h
    
    mov ax, 4c00h ; exit to operating system.
    int 21h    
ends

end start ; set entry point and stop the assembler.

内存结果

 

内存结果图

 

注意

 

注意事项表