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根据dh中给的行号,dl中给的列号,cl中给出的样式来把data中的字符串输出到屏幕上;代码如下:
- assume cs:code
- data segment
- db 'welcome to masm!',0
- data ends
- code segment
- start: mov dh,8
- mov dl,3
- mov cl,2
- mov ax,data
- mov ds,ax
- mov si,0
- call show_str
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-
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- mov ax,4c00h
- int 21h
- show_str:
- mov ax,0b800h
- mov es,ax
- mov ch,0
-
- mov bx,cx ;sava cx value to bx
-
- mov al,0a0h
- mul dh ;address of row in ax
- add dl,dl ;address of column in dl
- mov dh,0
- add ax,dx
- mov bp,ax
-
- mov ch,0
- s: mov cl,[si]
- jcxz re ;Is the value in [si] zero
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- mov es:[bp],cl
- mov es:[bp+1],bl
-
- inc si
- add bp,2
- inc cx
- loop s
-
- re: ret
-
- code ends
- end start
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