Hello, first I would like to say I am new here and I am very sorry if I am posting in the wrong place but I am new to MASM and I am pulling my hair out. Here is the basic code I'm Having issues with.
.386
.model flat, stdcall
.stack 4096
sample PROTO
ExitProcess PROTO, dwExitCode:DWORD
.code
main PROC
CALL sample
INVOKE ExitProcess, 0
main ENDP
END main
sample PROC
ret
sample ENDP
Seems fine to me, except when I build it I get a 1>Source.obj : error LNK2019: unresolved external symbol _sample@0 referenced in function _main@0. Error. I beleive this should only happen when i call a subroutine that is not properly linked from an external file, but this subroutine is in THE SAME FILE. Maybe I have configured something wrong in visual studios. Any help would be appreciated.
deleted
I am facepalming myself right now. Thank you so much nidud :bgrin:
Hi Colby,
Here is another example for you :
include \masm32\include\masm32rt.inc
sample PROTO :DWORD
.data
title1 db 'Hello',0
mymsg db 'This is a test.',0
.code
main PROC
invoke sample,ADDR mymsg
invoke ExitProcess,0
main ENDP
sample PROC message:DWORD
invoke MessageBox,0,message,\
ADDR title1,MB_OK
ret
sample ENDP
END main