BrachingMASM32.asm

.386
.model flat, stdcall
option casemap :none

include C:\masm32\include\windows.inc
include C:\masm32\include\masm32.inc
include C:\masm32\include\kernel32.inc
includelib \masm32\lib\masm32.lib
includelib \masm32\lib\kernel32.lib

.data
       InvalidRange db "Rango Invalido", 0
       Between1to25 db "Numero entre 1 y 25", 0
       Between25to50 db "Numero entre 25 y 50", 0
       Between50to75 db "Numero entre 50 y 75", 0
       Between75to100 db "Numero entre 75 y 100", 0
       UserInput db 10 DUP(0)
.code

start:

        invoke StdIn, addr UserInput, 10
        invoke StripLF, addr UserInput


        ; string a integer
        invoke atodw, addr UserInput

        .if eax >= 1 && eax <= 25
                invoke StdOut, addr Between1to25
        .elseif eax > 25 && eax < 50
                invoke StdOut, addr Between25to50
        .elseif eax >= 50 && eax <= 75
                invoke StdOut, addr Between50to75
        .elseif eax > 75 && eax <= 100
                invoke StdOut, addr Between75to100
        .else
                invoke StdOut, addr InvalidRange
        .endif


        ; Exit the program

        invoke ExitProcess, 0
end start