course

section .text

global _start

_start:

	mov rcx,0xA
	lea rax,[dst_op]
	mov dl,[rax+flag]
	xor rdi,rdi
	xor rsi,rsi
	xor rax,rax
	xor rdx,rdx
	xor rbx,rbx

	mov rbx,0
	mov rax,0x1
	int 0x80

section .bss
	struc BND
		userscnt:	resw 0x1 ;The number of registered members
		flag:	resb 0x1
	endstruc
section .data
	knowledge: dw 'HelloWorld'
	 align 4 ;4 byte padding :P
	.byte: db 0x1
	stdnts: db 0x20
	dst_op:
		istruc BND
			at userscnt, db 0x2
			at flag, db 0x1
		iend