[2009-03-23 15:51] 实验四
assume cs:code
code segment
mov ax,20h
mov ds,ax
mov bx,0
mov cx,64
D1: mov [bx],bx
inc bx
loop D1
mov ax,4c00h
int 21h
code ends
end
用九条指令实现向0:200~0:23f中依次传送数据0~63。我在DEBUG中看到如图的内容。说明MOV [bx],bx是可行的。...
code segment
mov ax,20h
mov ds,ax
mov bx,0
mov cx,64
D1: mov [bx],bx
inc bx
loop D1
mov ax,4c00h
int 21h
code ends
end
用九条指令实现向0:200~0:23f中依次传送数据0~63。我在DEBUG中看到如图的内容。说明MOV [bx],bx是可行的。...
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[2009-03-23 13:31] 实验三
assume cs:codesg
codesg segment
mov ax,2000h
mov ss,ax
mov sp,0
add sp,10
pop ax
pop bx
push ax
push bx
pop ax
pop bx
mov ax,4c00h
int 21h
codesg ends
end
程序如上,用DEBUG跟踪时发现(DS)=0B45,则PSP的地址为0B45:0,程序地址为0B55:0....
codesg segment
mov ax,2000h
mov ss,ax
mov sp,0
add sp,10
pop ax
pop bx
push ax
push bx
pop ax
pop bx
mov ax,4c00h
int 21h
codesg ends
end
程序如上,用DEBUG跟踪时发现(DS)=0B45,则PSP的地址为0B45:0,程序地址为0B55:0....
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所属类型(汇编作业)