From 64a29e45047bf969b8813413984bfd96091d58cf Mon Sep 17 00:00:00 2001
From: marcobaye <marcobaye@4df02467-bbd4-4a76-a152-e7ce94205b78>
Date: Sun, 31 May 2020 13:04:21 +0000
Subject: [PATCH] amended docs on illegals

git-svn-id: https://svn.code.sf.net/p/acme-crossass/code-0/trunk@204 4df02467-bbd4-4a76-a152-e7ce94205b78
---
 docs/Illegals.txt | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/docs/Illegals.txt b/docs/Illegals.txt
index 7273d2e..900802f 100644
--- a/docs/Illegals.txt
+++ b/docs/Illegals.txt
@@ -23,9 +23,9 @@ opcodes (mnemonics in parentheses are used by other sources):
  mnemonic       |  8  8,x 8,y 16 16,x 16,y (8,x) (8),y | performs:
 ----------------+--------------------------------------+-----------
  slo (aso)      | 07  17      0f  1f   1b   03    13   | asl + ora
- rla            | 27  37      2f  3f   3b   23    33   | rol + and
+ rla (rln)      | 27  37      2f  3f   3b   23    33   | rol + and
  sre (lse)      | 47  57      4f  5f   5b   43    53   | lsr + eor
- rra            | 67  77      6f  7f   7b   63    73   | ror + adc
+ rra (rrd)      | 67  77      6f  7f   7b   63    73   | ror + adc
  sax (axs, aax) | 87      97  8f            83         | stx + sta
  lax            | a7      b7  af       bf   a3    b3   | ldx + lda
  dcp (dcm)      | c7  d7      cf  df   db   c3    d3   | dec + cmp
@@ -40,7 +40,7 @@ These five are said to be unstable:
                 |         addressing mode         |
  mnemonic       | implied #8    8   8,x  16  16,x | performs:
 ----------------+---------------------------------+-----------------------
- anc            |         0b*                     | A = A & arg, then C=N
+ anc (ana, anb) |         0b*                     | A = A & arg, then C=N
  asr (alr)      |         4b                      | A = A & arg, then lsr
  arr            |         6b                      | A = A & arg, then ror
  sbx (axs, sax) |         cb                      | X = (A & X) - arg
@@ -48,7 +48,7 @@ These five are said to be unstable:
  top (nop, skw) |   0c**                 0c   1c  | skips next two bytes
  jam (kil, hlt) |   02                            | crash (wait for reset)
 These two are somewhat unstable, because they involve an arbitrary value:
- ane (xaa)      |         8b***                   | A = (A | ??) & X & arg
+ ane (xaa, axm) |         8b***                   | A = (A | ??) & X & arg
  lxa (lax, atx) |         ab***                   | A,X = (A | ??) & arg
 
 Example:
@@ -133,4 +133,7 @@ For more information about what these opcodes do, see these documents:
   Extra Instructions Of The 65XX Series CPU, Adam Vardy, 27 Sept. 1996
   6502 Undocumented Opcodes, by Freddy Offenga, 5/17/1997
   AAY64 (All About Your 64)
-  NMOS 6510 Unintended Opcodes
+and the most comprehensive work is:
+  "No More Secrets - NMOS 6510 Unintended Opcodes"
+Download it from        https://csdb.dk/release/?id=185341
+or ask google for the latest version.