From af93b5caab9bc9529264bfcc6425daa99482b670 Mon Sep 17 00:00:00 2001
From: Mikael Pettersson <mikpelinux@gmail.com>
Date: Sat, 7 Sep 2019 13:28:23 +0200
Subject: [PATCH] as: parse: Accumulator is not mandatory in PDP10_INSN_BASIC
 instructions

---
 erlang/apps/as/src/parse.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/erlang/apps/as/src/parse.erl b/erlang/apps/as/src/parse.erl
index 739acb2..8d98608 100644
--- a/erlang/apps/as/src/parse.erl
+++ b/erlang/apps/as/src/parse.erl
@@ -185,7 +185,7 @@ make_high13(ScanState, Name, AccOrDev, High13, Format) ->
     {?PDP10_INSN_IO, _} ->
       make_high13_io(High13, AccOrDev);
     {?PDP10_INSN_BASIC, false} ->
-      badinsn(ScanState, "~s: missing accumulator operand", Name);
+      make_high13_basic(High13, _Accumulator = 0);
     {?PDP10_INSN_BASIC, _} ->
       make_high13_basic(High13, AccOrDev);
     {?PDP10_INSN_A_NONZERO, false} ->