(1) t1.exe
assume cs:code
segment code
mov ax,2000H
mov ss,ax
mov sp,10
pop ax
pop bx
push ax
push bx
pop ax
pop bx
mov ax,4c00h
int 21H
code ends
end
(2) The contents of the relevant registers and the contents of the top of the stack
(3)
psp: cpu communicates with the program
Program segment prefix: SA:0
Program start address: SA+10H:0
ds oriented SA
CS:IP points to program SA+10:0
PSP and the program physical address are continuous, but the segment address is different
The first two bytes of the content in the PSP are CD20
-d 0760：0
