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- assume cs:code,ds:data,ss:stack
- data segment
- db 'welcome to masm!'
- db 02h,24h,71h
- data ends
- stack segment
- dw 8 dup (0)
- stack ends
- code segment
- start: mov ax data
- mov ds,ax
- mov ax,stack
- mov ss,ax
- mov sp,10h
-
- mov cx,3
- s: push cx
- mov cx,16
- call s2
- loop s
-
- s2: mov al,ds:[bx]
- mov es:[si],al
- inc bx
- inc si
- mov dx,ds:[di]
- mov es:[si],dx
- call s3
- ret
-
- s3: pop cx
- inc di
- mov si,0
- mov bx,0
- mov dx,0
- ret
-
- mov ax,4c00h
- int 21h
- code ends
- end start
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报错如下
用小甲鱼视屏里的代码执行到push cx时也会报错:instruction or directive
和53行报错:symbol no dinefind
- assume cs:code,ds:data,ss:stack
- data segment
- db 'welcome to masm!'
- db 02h,24h,71h
- data ends
- stack segment
- dw 8 dup (0)
- stack ends
- code segment
- start: mov ax,data
- mov ds,ax
- mov ax,stack
- mov ss,ax
- mov sp,10h
-
- xor bx,bx ;bx清零
- mov ax,0b872h
-
- mov cx,3
- s3: push cx
- push ax
- push bx
-
- mov es,ax
-
- mov si,0
- mov di,0
-
- mov cx,10h
- s1: mov al,ds:[si]
- mov es:[di],al
- inc si
- add di,2
- loop s1
-
- mov di,1
- pop bx
- mov al,ds:[bx+10h]
- inc bx
-
- mov cx,10h
- s2: mov es:[di],al
- add di,2
- loop s2
-
- pop ax
- add ax,0ah
-
- pop cx
- loop s3
-
- mov ax,4c00h
- int 21h
- code ends
- end start
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本帖最后由 myunco 于 2021-5-13 13:28 编辑
都报错到第13行了,你就不仔细看看吗···
mov ax ,data
你的逗号呢
附上我的实验9代码供参考:
- assume cs:codesg
- data segment
- db 'welcome to masm!'
- data ends
- codesg segment
- start:
- mov ax,data
- mov ds,ax
- mov ax,0b800h
- mov es,ax
- mov si,0
- mov bx,720h
- mov cx,16
- lp:
- mov ah,2h ;00000010
- mov al,[si]
- mov es:[bx],ax
- mov ah,24h ;00100100
- mov al,[si]
- mov es:[bx].0A0h,ax
- mov ah,71h ;01110001
- mov al,[si]
- mov es:[bx].0A0h.0A0h,ax
- inc si
- add bx,2
- loop lp
- mov ax,4c00h
- int 21h
- codesg ends
- end start
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