Assignment 4

section .data
msg db 10,"The maximum number from given array : ",
len equ $-msg newline db 10,13 nlen equ$-newline
arr dw 2h,54h,4h,5h,7h

section .bss
cnt resb 1
buff resb 16

%macro print 2
mov rax,1
mov rdi,1
mov rsi,%1
mov rdx,%2
syscall
%endmacro

section .text
global _start
_start:
mov byte[cnt], 5
mov rsi, arr
mov al, 0

	lp:
		cmp al, [rsi]
		jg skip
		xchg al, [rsi]
	
	skip:
		inc rsi
		dec byte[cnt]
		jnz lp
		call disp
		
		print msg, len
		print buff, 16
		print newline, nlen
		
		mov rax, 60
		mov rdi, 0
		syscall
		
	disp:
		mov rbx, rax
		mov rdi, buff
		mov cx, 16
		up1:
			rol rbx, 04
			mov al, bl
			and al, 0fh
			cmp al, 09h
			jg add_37
			add al, 30h
			jmp skip1
		add_37:
			add al, 37h
		
	skip1:
		mov [rdi], al
		inc rdi
		dec cx
		jnz up1
	ret