diff --git a/HISTORY.markdown b/HISTORY.markdown
index 2ab97be..b0c0a31 100644
--- a/HISTORY.markdown
+++ b/HISTORY.markdown
@@ -1,8 +1,8 @@
 History of SixtyPical
 =====================
 
-0.5-PRE
--------
+0.5
+---
 
 *   Added `byte table` type locations and indexed addressing (`+ x`, `+ y`).
 *   Integer literals may be given in hexadecimal.
diff --git a/README.markdown b/README.markdown
index 17ec850..9409340 100644
--- a/README.markdown
+++ b/README.markdown
@@ -13,8 +13,8 @@ and suchlike.
 
 It is a **work in progress**, currently at the **proof-of-concept** stage.
 
-The current released version of SixtyPical is 0.4.  The current development
-version of SixtyPical, unreleased as of this writing, is 0.5-PRE.
+The current released version of SixtyPical is 0.5.  The current development
+version of SixtyPical, unreleased as of this writing, is 0.6-PRE.
 
 Documentation
 -------------
@@ -31,21 +31,23 @@ Documentation
 TODO
 ----
 
-For 0.5:
-
 For 0.6:
 
 *   `interrupt` routines.
 *   `vector` type.
+*   `with sei` blocks.
+*   `copy` instruction.
+*   A more involved demo for the C64 — one that sets up an interrupt.
 
 For 0.7:
 
 *   `word` type.
-*   `copy` instruction.
 *   `trash` instruction.
+*   indirect addressing.
 
-For 0.8:
+At some point...
 
 *   add line number (or at least routine name) to error messages.
 *   6502-mnemonic aliases (`sec`, `clc`)
 *   other handy aliases (`eq` for `z`, etc.)
+*   add absolute addressing in shl/shr, absolute-indexed for add, sub, etc.
diff --git a/doc/SixtyPical.md b/doc/SixtyPical.md
index 8adfaac..661bae2 100644
--- a/doc/SixtyPical.md
+++ b/doc/SixtyPical.md
@@ -1,7 +1,7 @@
 SixtyPical
 ==========
 
-This document describes the SixtyPical programming language version 0.5-PRE,
+This document describes the SixtyPical programming language version 0.5,
 both its execution aspect and its static analysis aspect (even though
 these are, technically speaking, separate concepts.)
 
@@ -14,10 +14,11 @@ the language.
 Types
 -----
 
-There are two TYPES in SixtyPical:
+There are three TYPES in SixtyPical:
 
 *   bit (2 possible values)
 *   byte (256 possible values)
+*   byte table (256 entries, each holding a byte)
 
 Memory locations
 ----------------
@@ -121,7 +122,7 @@ Instructions
 
 ### ld ###
 
-    ld <dest-memory-location>, <src-memory-location>
+    ld <dest-memory-location>, <src-memory-location> [+ <index-memory-location>]
 
 Reads from src and writes to dest.
 
@@ -135,12 +136,14 @@ After execution, dest is considered initialized.  The flags `z` and `n` may be
 changed by this instruction; they must be named in the WRITES lists, and they
 are considered initialized after it has executed.
 
+If and only if src is a byte table, the index-memory-location must be given.
+
 Some combinations, such as `ld x, y`, are illegal because they do not map to
 underlying opcodes.
 
 ### st ###
 
-    st <src-memory-location>, <dest-memory-location>
+    st <src-memory-location>, <dest-memory-location> [+ <index-memory-location>]
 
 Reads from src and writes to dest.
 
@@ -153,6 +156,8 @@ Reads from src and writes to dest.
 After execution, dest is considered initialized.  No flags are
 changed by this instruction (unless of course dest is a flag.)
 
+If and only if dest is a byte table, the index-memory-location must be given.
+
 ### add dest, src ###
 
     add <dest-memory-location>, <src-memory-location>