1 files changed, 19 insertions, 0 deletions
diff --git a/examples/arm64/sum.hdass b/examples/arm64/sum.hdass
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+++ b/examples/arm64/sum.hdass
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+[entry: main]
+[enable: logical_registers]
+
+// Sums 5 + 4 + 3 + 2 + 1 = 15 with a named countdown loop, returns it as the
+// exit status. Shows three-operand arithmetic (r1 = r1 + r2 -> add x0, x0, x1).
+const SYS_EXIT = 93
+
+proc main
+{
+    r1 = 0
+    r2 = 5
+    while .countdown r2 > 0
+    {
+        r1 = r1 + r2
+        r2 = r2 - 1
+    }
+    r9 = SYS_EXIT
+    syscall
+}