From 5cce54ebf3088b0411e4026de0545f3f9eb01828 Mon Sep 17 00:00:00 2001
From: "Kartik K. Agaram" <vc@akkartik.com>
Date: Wed, 27 Jun 2018 22:58:08 -0700
Subject: 4280 - fix test program to use subx instructions

I don't know how to tell nasm to generate an imm32. It's a minor stepping-stone
anyway; just emit the machine code directly.
---
 subx/teensy/test5   | Bin 91 -> 99 bytes
 subx/teensy/test5.s |  11 +++++++----
 2 files changed, 7 insertions(+), 4 deletions(-)

(limited to 'subx/teensy')

diff --git a/subx/teensy/test5 b/subx/teensy/test5
index da1c8cd6..a67a5299 100755
Binary files a/subx/teensy/test5 and b/subx/teensy/test5 differ
diff --git a/subx/teensy/test5.s b/subx/teensy/test5.s
index 3049615a..54a79846 100644
--- a/subx/teensy/test5.s
+++ b/subx/teensy/test5.s
@@ -35,9 +35,12 @@ phdr:                                                 ; Elf32_Phdr
 phdrsize  equ  $ - phdr
 
 _start:
-  mov     bl, 42
-  xor     eax, eax
-  inc     eax
-  int     0x80
+  mov ebx, 42
+  xor eax, eax
+  ; add eax, 0x00000001
+    db 0x81  ; op
+    db 0xc0  ; modr/m
+    dd 0x00000001  ; imm32 operand
+  int 0x80
 
 filesize      equ     $ - $$
-- 
cgit 1.4.1-2-gfad0