assume cs:code, ds:data, ss:stack
data segment
dw 0123h,0456h,0789h,0abch,0defh,0fedh,0bach,0987h
data ends
stack segment
dw 0,0,0,0,0,0,0,0
stack ends
code segment
start: mov ax,stack
……
……
end start
debug查看寄存器地址,ds与cs相差12h应该是PSP区和数据加堆栈的长度,
但是ss为什么会和cs相差4h呢?如图