From 55f87673e36ac2962180dca3db4ece5f31dd3455 Mon Sep 17 00:00:00 2001
From: Mikael Pettersson <mikpelinux@gmail.com>
Date: Sat, 25 Jul 2020 16:47:54 +0200
Subject: [PATCH] sim: sim_boolean: handle SETCMI, add unit test

---
 erlang/apps/sim/src/sim_boolean.erl        |  8 ++++++++
 erlang/apps/sim/src/sim_core.erl           |  1 +
 erlang/apps/sim/test/sim_boolean_tests.erl | 10 ++++++++++
 3 files changed, 19 insertions(+)

diff --git a/erlang/apps/sim/src/sim_boolean.erl b/erlang/apps/sim/src/sim_boolean.erl
index 2da88dc..2ec4555 100644
--- a/erlang/apps/sim/src/sim_boolean.erl
+++ b/erlang/apps/sim/src/sim_boolean.erl
@@ -56,6 +56,7 @@
         , handle_SETCAB/4
         , handle_SETCAM/4
         , handle_SETCM/4
+        , handle_SETCMI/4
         , handle_SETMB/4
         , handle_SETMI/4
         , handle_SETMM/4
@@ -614,6 +615,13 @@ handle_SETCM(Core, Mem, IR, EA) ->
                           fun(Core1, Mem1) -> handle_SETCM(Core1, Mem1, IR, EA) end)
   end.
 
+-spec handle_SETCMI(#core{}, sim_mem:mem(), IR :: word(), #ea{})
+      -> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
+handle_SETCMI(Core, Mem, IR, EA) ->
+  AC = IR band 8#17,
+  Word = (bnot EA#ea.offset) band ((1 bsl 36) - 1),
+  sim_core:next_pc(sim_core:set_ac(Core, AC, Word), Mem).
+
 %% 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 fd6b294..510652d 100644
--- a/erlang/apps/sim/src/sim_core.erl
+++ b/erlang/apps/sim/src/sim_core.erl
@@ -302,6 +302,7 @@ dispatch(Core, Mem, IR, EA) ->
     8#456 -> sim_boolean:handle_ORCAM(Core, Mem, IR, EA);
     8#457 -> sim_boolean:handle_ORCAB(Core, Mem, IR, EA);
     8#460 -> sim_boolean:handle_SETCM(Core, Mem, IR, EA);
+    8#461 -> sim_boolean:handle_SETCMI(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 23e5cc7..baecfbc 100644
--- a/erlang/apps/sim/test/sim_boolean_tests.erl
+++ b/erlang/apps/sim/test/sim_boolean_tests.erl
@@ -93,6 +93,7 @@
 -define(OP_ORCAM, 8#456).
 -define(OP_ORCAB, 8#457).
 -define(OP_SETCM, 8#460).
+-define(OP_SETCMI, 8#461).
 
 %% 2.4 Boolean Functions =======================================================
 
@@ -686,6 +687,15 @@ setcm_test() ->
          [ {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#070707)} % AC1 = -1,,070707
          ]).
 
+setcmi_test() ->
+  Prog =
+    [ {1, 8#100, ?INSN(?OP_SETCMI, 1, 0, 0, 8#707070)} % 1,,100/ SETCMI 1,707070
+    , {1, 8#101, ?INSN_INVALID}                        % 1,,101/ <invalid>
+    ],
+  expect(Prog, [], {1, 8#101}, ?DEFAULT_FLAGS,
+         [ {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#070707)} % AC1 = -1,,070707
+         ]).
+
 %% Common code to run short sequences ==========================================
 
 expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->