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Character Input Output in ASM using NASM in UBUNTU Linux
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;Author : Sanjib Narzary | |
;Institute: NIT Calicut | |
;Email: o-._.-o@live.com | |
;Assembly Code | |
section .data | |
;New line string | |
NEWLINE: db 0xa, 0xd | |
LENGTH: equ $-NEWLINE | |
section .bss | |
INPT: resd 1 | |
section .text | |
global _start | |
_start: | |
;Read character | |
mov eax, 0x3 | |
mov ebx, 0x1 | |
mov ecx, INPT | |
mov edx, 0x1 | |
int 80h | |
;print character | |
mov eax, 0x4 | |
mov ebx, 0x1 | |
mov ecx, INPT | |
mov edx, 0x1 | |
int 80h | |
;Print new line after the output | |
mov eax, 0x4 | |
mov ebx, 0x1 | |
mov ecx, NEWLINE | |
mov edx, LENGTH | |
int 0x80 | |
;Terminate | |
mov eax, 0x1 | |
xor ebx, ebx | |
int 0x80 |
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