Question

I’m trying to make a loop in masm32 running under Windows Vista, however I did it this way and even though it actually finishes the loop, it crashes and I see no obvious reason why…any ideas?

.386 .model flat, stdcall option casemap :none  include \masm32\include\windows.inc include \masm32\include\kernel32.inc include \masm32\include\masm32.inc includelib \masm32\lib\kernel32.lib includelib \masm32\lib\masm32.lib  .data ProgramText db 'Looping!', 0  .data? loop_stopper   dd      ?  .code start:  mov loop_stopper,2  loop_start: invoke StdOut, addr ProgramText cmp loop_stopper, 0 dec loop_stopper                  jg loop_start  end start 

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Edit

Did

invoke StdOut, offset ProgramText 

still crashes…

Answer 1

You need to have an ‘exit’ to end your application. Also, my personal style is to put everything inside a subroutine, but that’s just me.

something like:
.code

start:

call main inkey         exit 

main proc

mov loop_stopper,2 loop_start:  invoke StdOut, addr ProgramText cmp loop_stopper, 0  dec loop_stopper jg loop_start ret 

main endp

end start