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authorKartik Agaram <vc@akkartik.com>2018-09-29 16:07:05 -0700
committerKartik Agaram <vc@akkartik.com>2018-09-29 17:45:00 -0700
commit64338cc5d7c11cc25870c19f39c502921e471e65 (patch)
tree1c7f408ee52d6d26c9fe8e7ececb1bf0d2a6c990 /subx
parented79099bf6ad783e4ce040d1e611a9f4ca068d2c (diff)
downloadmu-64338cc5d7c11cc25870c19f39c502921e471e65.tar.gz
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-rw-r--r--subx/examples/Readme.md5
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diff --git a/subx/examples/Readme.md b/subx/examples/Readme.md
index 9cbcef98..d4bb1ff5 100644
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@@ -1 +1,6 @@
 Small example programs, each with a simple pedagogical goal.
+
+They also help to validate SubX instruction semantics against native x86
+hardware. For example, loading a single byte to a register would for some time
+clear the rest of the register. This behavior was internally consistent with
+unit tests. It took running an example binary natively to catch the discrepancy.