nasm/travis/objexe/objexe.asm
H. Peter Anvin (Intel) 7f69cf689c travis: reorganize directories, add tests from the test/ directory
This is a mostly automated, partially AI-assisted migration of tests
from the test/ directory into the travis framework.

Running tests manually in the test/ directory is still supported, but
move common include files into travis/test and add a default -I option
to Makefile.in in the test/ directory.

The incbin test fails for pre-existing reasons; for now it contains an
stderr file with the errors. The problem is that INCBIN is both a
macro and a special instruction (not even a directive...), but there
currently is no way to handle prefixes, *especially* TIMES, in
multi-line macros. This is a separate problem and needs to be dealt
with as such.

Reorganize the travis directory so that each test or collection of
tests are in a separate subdirectory of travis/, and travis itself
lives in tools/travis to avoid creating deeper paths.

Add support for recording compression options in the travis .json
files, so that compressed files can be recreated with the same
options: because of the generally repetitive nature of the binary
output test files, the parameters used for xz compression can matter
enormously.

These are combined into a single huge commit to avoid adding large
binary files into the repository that then would immediately be
obsoleted, but still retained in git.

Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
2026-06-30 20:54:46 -07:00

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NASM

; Demonstration of how to write an entire .EXE format program as a .OBJ
; file to be linked. Tested with the VAL free linker.
; To build:
; nasm -fobj objexe.asm
; val objexe.obj,objexe.exe;
; To test:
; objexe
; (should print `hello, world')
segment code
..start: mov ax,data
mov ds,ax
mov ax,stack
mov ss,ax
mov sp,stacktop
mov dx,hello
mov ah,9
int 0x21
mov ax,0x4c00
int 0x21
segment data
hello: db 'hello, world', 13, 10, '$'
segment stack stack
resb 64
stacktop: