Hi
Can anyone confirm if MASM32 can compile flat binary files with a user defined .ORG directive like in NASM?
I know that MASM versions later then 6.0 can produce .com files with the .MODEL tiny directive but that means the
ORG is fixed at 100h.
Thanks in advance
Paulo.
Hi,
Yes. Do a search on the old forum for "boot sector". You
should find some threads where building a boot sector was
done from scratch.
Regards,
Steve N.
Thanks FORTRANS.
============================
EDIT:
============================
Found the solution (thanks once again to Steve for pointing me in the right direction)
and I'm posting it here in case some one else might be interested.
Below is the test code I used, compiled it twice, once with ORG 0 and again with ORG 100h
BTW, if one specifies an ORG which is not 0 or 100h, Link16.exe throws a warning (with .MODEL Tiny), ignore it as it still produces correct code.
.MODEL Tiny
OPTION CaseMap:None
.CODE
ORG 100h
;ORG 0h
; ========================================================
;
; use the 16-bit linker. \masm32\bin\Link16.exe
;
; \masm32\bin\ml /c TestMasmOrg.asm
; \masm32\bin\Link16 /TINY TestMasmOrg.obj
;
; ========================================================
_main PROC
mov dx,offset SomeText
mov ah,9
int 21h
nop
nop
mov ax,4C00h
int 21h
nop
nop
_main ENDP
; -----------------------------------------------------------
SomeText db 'Yup Hello World What Else',0Dh,0Ah,24h
; -----------------------------------------------------------
END _main
Result as follows:
(http://s18.postimg.org/qgeeesvcp/Masm_Org_Test.jpg)