From 6e1eeeebfb453fa7c871869c19375ce60fbd7413 Mon Sep 17 00:00:00 2001
From: Kartik Agaram <vc@akkartik.com>
Date: Sat, 27 Jul 2019 16:01:55 -0700
Subject: 5485 - promote SubX to top-level

---
 examples/ex1.subx | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 examples/ex1.subx

(limited to 'examples/ex1.subx')

diff --git a/examples/ex1.subx b/examples/ex1.subx
new file mode 100644
index 00000000..0aca40f8
--- /dev/null
+++ b/examples/ex1.subx
@@ -0,0 +1,21 @@
+# First program: same as https://www.muppetlabs.com/~breadbox/software/tiny/teensy.html
+# Just return 42.
+#
+# To run (from the subx directory):
+#   $ ./subx translate examples/ex1.2.subx -o examples/ex1
+#   $ ./subx run examples/ex1
+# Expected result:
+#   $ echo $?
+#   42
+
+== code 0x09000000
+
+Entry:
+# syscall(exit, 42)
+bb/copy-to-EBX  2a/imm32  # 42 in hex
+b8/copy-to-EAX  1/imm32/exit
+cd/syscall  0x80/imm8
+
+== data 0x0a000000
+
+# . . vim:nowrap:textwidth=0
-- 
cgit 1.4.1-2-gfad0