# edi = index of data_items
# ebx = largest data item found
# eax = current data item

.global _start
.intel_syntax noprefix
.section .text

_start: 
	mov edi, 0							# copy 0 into edi - first addresss
	mov eax, [data_items + edi * 4]		# move the first number (edi * 4) to eax
	jmp start_loop
	mov ebx, eax						# move ebx to eax
	
start_loop:
	cmp eax, 0							# check if eax is 0, return value stored in EFLAGS register
	je loop_exit						# checks EFLAGS if cmp is equal
	inc edi								# move to the next number (increase index which is edi)

	mov eax, [data_items + edi * 4]		# move the next number (edi * 4) to eax
	cmp eax, ebx						# compare largest item (ebx) to current item (eax)
	jle start_loop						# if eax is less than ebx - jump to start_loop

	mov ebx, eax						# move eax to ebx
	jmp start_loop						# jump back to start_loop
	
loop_exit:
	mov eax, 1							# move '1' into eax (exit syscall)
	int 0x80							# call kernel interrupt to exit program

.section .data
	data_items:
	.long 3, 67, 34, 222, 45, 75, 54, 34, 44, 33, 22, 11, 66, 0