Assignment 1

;Write an X86/64 ALP to accept five 64 bit Hexadecimal numbers from
;user and store them in an array and display the accepted numbers.

section .data
msg1 db 10,13,"Enter 5 64 bit numbers"
len1 equ $-msg1 msg2 db 10,13,"Entered 5 64 bit numbers" len2 equ$-msg2

section .bss
array resd 200
counter resb 1

section .text
global _start
_start:

;display
mov Rax,1
mov Rdi,1
mov Rsi,msg1
mov Rdx,len1
syscall

;accept

mov byte[counter],05
mov rbx,00

	loop1:
		mov rax,0                  ; 0 for read
		mov rdi,0                  ; 0 for keyboard   
		mov rsi, array             ;move pointer to start of array
		add rsi,rbx               
		mov rdx,17                  
		syscall
     		add rbx,17                    ;to move counter
		dec byte[counter]
		JNZ loop1

;display
mov Rax,1
mov Rdi,1
mov Rsi,msg2
mov Rdx,len2
syscall

;display
mov byte[counter],05
mov rbx,00
loop2:
mov rax,1 ;1 for write
mov rdi, 1 ;1 for monitor
mov rsi, array
add rsi,rbx
mov rdx,17 ;16 bit +1 for enter
syscall
add rbx,17
dec byte[counter]
JNZ loop2

	;exit system call
	mov rax ,60
	mov rdi,0
	syscall

;output
;vacoea@vacoea-Pegatron:$cd ~/Desktop ;vacoea@vacoea-Pegatron:~/Desktop$ nasm -f elf64 ass1.asm
;vacoea@vacoea-Pegatron:/Desktop$ld -o ass1 ass1.o ;vacoea@vacoea-Pegatron:~/Desktop$ ./ass1

;Enter 5 64 bit numbers12
;23
;34
;45
;56

;Entered 5 64 bit numbers12
;23
;34
;45
;56