From c37ac6808278aa93639e6c5b451e002f940a4dec Mon Sep 17 00:00:00 2001
From: Mikael Pettersson <mikpelinux@gmail.com>
Date: Sat, 25 Jul 2020 20:27:28 +0200
Subject: [PATCH] sim: sim_boolean: handle SETOM, add unit test

---
 erlang/apps/sim/src/sim_boolean.erl        |  7 +++++++
 erlang/apps/sim/src/sim_core.erl           |  1 +
 erlang/apps/sim/test/sim_boolean_tests.erl | 11 +++++++++++
 3 files changed, 19 insertions(+)

diff --git a/erlang/apps/sim/src/sim_boolean.erl b/erlang/apps/sim/src/sim_boolean.erl
index 6be587f..fbb41b6 100644
--- a/erlang/apps/sim/src/sim_boolean.erl
+++ b/erlang/apps/sim/src/sim_boolean.erl
@@ -71,6 +71,7 @@
         , handle_SETMI/4
         , handle_SETMM/4
         , handle_SETO/4
+        , handle_SETOM/4
         , handle_SETZ/4
         , handle_SETZB/4
         , handle_SETZM/4
@@ -771,6 +772,12 @@ handle_SETO(Core, Mem, IR, _EA) ->
   Word = (1 bsl 36) - 1,
   sim_core:next_pc(sim_core:set_ac(Core, AC, Word), Mem).
 
+-spec handle_SETOM(#core{}, sim_mem:mem(), IR :: word(), #ea{})
+      -> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
+handle_SETOM(Core, Mem, _IR, EA) ->
+  Word = (1 bsl 36) - 1,
+  handle_ANDM_1(Core, Mem, EA, Word).
+
 %% Miscellaneous ===============================================================
 
 ea_address(#ea{section = Section, offset = Offset}) ->
diff --git a/erlang/apps/sim/src/sim_core.erl b/erlang/apps/sim/src/sim_core.erl
index 12af58d..a4efb01 100644
--- a/erlang/apps/sim/src/sim_core.erl
+++ b/erlang/apps/sim/src/sim_core.erl
@@ -315,6 +315,7 @@ dispatch(Core, Mem, IR, EA) ->
     8#473 -> sim_boolean:handle_ORCBB(Core, Mem, IR, EA);
     8#474 -> sim_boolean:handle_SETO(Core, Mem, IR, EA);
     8#475 -> sim_boolean:handle_SETO(Core, Mem, IR, EA); % SETOI = SETO
+    8#476 -> sim_boolean:handle_SETOM(Core, Mem, IR, EA);
     _ ->
       PC = (Core#core.pc_section bsl 18) bor Core#core.pc_offset,
       {Core, Mem, {error, {?MODULE, {dispatch, PC, IR, EA}}}}
diff --git a/erlang/apps/sim/test/sim_boolean_tests.erl b/erlang/apps/sim/test/sim_boolean_tests.erl
index 10cefcd..e3b1946 100644
--- a/erlang/apps/sim/test/sim_boolean_tests.erl
+++ b/erlang/apps/sim/test/sim_boolean_tests.erl
@@ -106,6 +106,7 @@
 -define(OP_ORCBB, 8#473).
 -define(OP_SETO, 8#474).
 -define(OP_SETOI, 8#475).
+-define(OP_SETOM, 8#476).
 
 %% 2.4 Boolean Functions =======================================================
 
@@ -841,6 +842,16 @@ setoi_test() ->
          [ {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, -1)} % AC1 = -1,,-1
          ]).
 
+setom_test() ->
+  Prog =
+    [ {1, 8#100, ?INSN(?OP_SETOM, 0, 0, 0, 8#200)} % 1,,100/ SETOM 200
+    , {1, 8#101, ?INSN_INVALID}                    % 1,,101/ <invalid>
+    , {1, 8#200, 0}                                % 1,,200/ 0
+    ],
+  expect(Prog, [], {1, 8#101}, ?DEFAULT_FLAGS,
+         [ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, -1)} % C(1,,200) = -1,,-1
+         ]).
+
 %% Common code to run short sequences ==========================================
 
 expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->