# 2020010108 徐浩博
    .pos 0 
init:	irmovl Stack, %esp  	
	irmovl Stack, %ebp  	 
    irmovl $3, %eax
    irmovl $5, %ebx
    irmovl $1, %ecx
    pushl %eax
    rmxchg %ebx, $0(%esp) 
    addl %ecx, %ebx
    popl %eax
	halt

.pos 0x400		
Stack: