%include "CONSTANTS.h"

global main

section .data
    prompt1: db `Enter an integer => `,0
    inputFmtString1: db `%d`,0
    outputFmtString1: db `The number is %d \n`,0

    prompt2: db `Enter a word => `,0
    inputFmtString2: db `%s`,0
    outputFmtString2: db `The word is '%s'\n`,0

section .bss
    number: resd 1     ; reserve a space for one number
    string: resb 100   ; reserce a space for a 100 character string

section .text

extern printf
extern scanf

main:

    mov rdi, prompt1
    call CallPrintf

    mov rdi, inputFmtString1
    mov rsi, number
    call CallScanf

    mov rdi, outputFmtString1
    mov rsi, [number]
    call CallPrintf

    mov rdi, outputFmtString1
    mov rsi, [number]
    add rsi, 1 
    call CallPrintf

    mov rdi, prompt2
    call CallPrintf

    mov rdi, inputFmtString2
    mov rsi, string
    call CallScanf

    mov  rdi, outputFmtString2
    mov  rsi, string
    call CallPrintf


    mov       rax, SYS_EXIT     ; system call for exit
    mov       rdi, SUCCESS      ; exit code 0
    syscall 

CallScanf:
    push rbp
    mov rbp, rsp
    sub rsp, 8

    call scanf

    ;add rsp,8
    mov rsp, rbp
    pop rbp

    ret

CallPrintf:
    push rbp
    mov rbp, rsp
    sub rsp, 8

    mov rax, 0
    call printf

    ;add rsp,8
    mov rsp, rbp
    pop rbp
    ret