From f349197df3462531c84f39defc9b949a0584d9c4 Mon Sep 17 00:00:00 2001
From: Stephen Williams <steve@icarus.com>
Date: Wed, 4 Dec 2013 16:22:01 -0800
Subject: [PATCH] Describe the %putc/str/v vvp opcode.

---
 vvp/opcodes.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/vvp/opcodes.txt b/vvp/opcodes.txt
index 27aa2b6ec..081b911e2 100644
--- a/vvp/opcodes.txt
+++ b/vvp/opcodes.txt
@@ -923,6 +923,13 @@ Push a literal string to the string stack.
 
 Convert a vector to a string and push the string to the string stack.
 
+* %putc/str/v <functor-label>, <muxr>, <base>
+
+Extract a vector byte from the thread vector space and write it to a
+character of the string variable at <functtor-label>. This is
+basically an implementation of <string>.putc(<muxr>, <val>) where
+<val> is the 8bit vector at <base> in the thread space.
+
 * %release/net <functor-label>, <base>, <width>
 * %release/reg <functor-label>, <base>, <width>