.386
 .model flat,stdcall
 .code
start:
mov eax, 8
add eax, 8 ;eax = 10???
ret
end start

C:\MASM611\BIN>amake 1ll

C:\MASM611\BIN>ml /c /coff "1ll.asm"
Microsoft (R) Macro Assembler Version 6.11
Copyright (C) Microsoft Corp 1981-1993.  All rights reserved.

 Assembling: 1ll.asm

C:\MASM611\BIN>link /SUBSYSTEM:CONSOLE "1ll.obj"
Microsoft (R) Incremental Linker Version 6.00.8168
Copyright (C) Microsoft Corp 1992-1998. All rights reserved.

LINK : error LNK2001: unresolved external symbol _start
1ll.exe : fatal error LNK1120: 1 unresolved externals

ml /c /coff "%1.asm"
link /SUBSYSTEM:CONSOLE "%1.obj"