sim: sim_boolean: handle ANDCA, add unit test

erlang/apps/sim/src/sim_boolean.erl

@@ -26,6 +26,7 @@
 
 -export([ handle_AND/4
         , handle_ANDB/4
+        , handle_ANDCA/4
         , handle_ANDI/4
         , handle_ANDM/4
         , handle_SETZ/4
@@ -135,6 +136,22 @@ handle_ANDB(Core, Mem, AC, EA, Word) ->
                           fun(Core1, Mem1) -> handle_ANDB(Core1, Mem1, AC, EA, Word) end)
   end.
 
+%% ANDCA - And with Complement of AC
+
+-spec handle_ANDCA(#core{}, sim_mem:mem(), IR :: word(), #ea{})
+      -> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
+handle_ANDCA(Core, Mem, IR, EA) ->
+  case sim_core:c(Core, Mem, EA) of
+    {ok, CE} ->
+      AC = IR band 8#17,
+      CA = sim_core:get_ac(Core, AC),
+      Word = CE band bnot CA,
+      sim_core:next_pc(sim_core:set_ac(Core, AC, Word), Mem);
+    {error, Reason} ->
+      sim_core:page_fault(Core, Mem, ea_address(EA), read, Reason,
+                          fun(Core1, Mem1) -> handle_ANDCA(Core1, Mem1, IR, EA) end)
+  end.
+
 %% Miscellaneous ===============================================================
 
 ea_address(#ea{section = Section, offset = Offset}) ->

erlang/apps/sim/src/sim_core.erl

@@ -261,6 +261,7 @@ dispatch(Core, Mem, IR, EA) ->
     8#405 -> sim_boolean:handle_ANDI(Core, Mem, IR, EA);
     8#406 -> sim_boolean:handle_ANDM(Core, Mem, IR, EA);
     8#407 -> sim_boolean:handle_ANDB(Core, Mem, IR, EA);
+    8#410 -> sim_boolean:handle_ANDCA(Core, Mem, IR, EA);
     _ ->
       PC = (Core#core.pc_section bsl 18) bor Core#core.pc_offset,
       {Core, Mem, {error, {?MODULE, {dispatch, PC, IR, EA}}}}

erlang/apps/sim/test/sim_boolean_tests.erl

@@ -51,6 +51,7 @@
 -define(OP_ANDI, 8#405).
 -define(OP_ANDM, 8#406).
 -define(OP_ANDB, 8#407).
+-define(OP_ANDCA, 8#410).
 
 %% 2.4 Boolean Functions =======================================================
 
@@ -144,6 +145,19 @@ andb_test() ->
          , {#ea{section = 1, offset = 1, islocal = false}, 8#303030} % AC1 = 0,,303030
          ]).
 
+%% ANDCA - And with Complement of AC
+
+andca_test() ->
+  Prog =
+    [ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
+    , {1, 8#101, ?INSN(?OP_ANDCA, 1, 0, 0, 8#200)}    % 1,,101/ ANDCA 1,200
+    , {1, 8#102, ?INSN_INVALID}                       % 1,,102/ <invalid>
+    , {1, 8#200, ?COMMA2(-1, 8#333333)}               % 1,,200/ -1,,333333
+    ],
+  expect(Prog, [], {1, 8#102}, ?DEFAULT_FLAGS,
+         [ {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#030303)} % AC1 = -1,,030303
+         ]).
+
 %% Common code to run short sequences ==========================================
 
 expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->