diff --git a/erlang/apps/sim/src/sim_boolean.erl b/erlang/apps/sim/src/sim_boolean.erl
index 54eb570..a441ae7 100644
--- a/erlang/apps/sim/src/sim_boolean.erl
+++ b/erlang/apps/sim/src/sim_boolean.erl
@@ -41,6 +41,7 @@
         , handle_ANDI/4
         , handle_ANDM/4
         , handle_EQV/4
+        , handle_EQVB/4
         , handle_EQVI/4
         , handle_EQVM/4
         , handle_IOR/4
@@ -498,6 +499,20 @@ handle_EQVM(Core, Mem, IR, EA) ->
                           fun(Core1, Mem1) -> handle_EQVM(Core1, Mem1, IR, EA) end)
   end.
 
+-spec handle_EQVB(#core{}, sim_mem:mem(), IR :: word(), #ea{})
+      -> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
+handle_EQVB(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 = (bnot (CE bxor CA)) band ((1 bsl 36) - 1),
+      handle_ANDB(Core, Mem, AC, EA, Word);
+    {error, Reason} ->
+      sim_core:page_fault(Core, Mem, ea_address(EA), read, Reason,
+                          fun(Core1, Mem1) -> handle_EQVB(Core1, Mem1, IR, EA) end)
+  end.
+
 %% 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 03ba4fa..9f63d86 100644
--- a/erlang/apps/sim/src/sim_core.erl
+++ b/erlang/apps/sim/src/sim_core.erl
@@ -292,6 +292,7 @@ dispatch(Core, Mem, IR, EA) ->
     8#444 -> sim_boolean:handle_EQV(Core, Mem, IR, EA);
     8#445 -> sim_boolean:handle_EQVI(Core, Mem, IR, EA);
     8#446 -> sim_boolean:handle_EQVM(Core, Mem, IR, EA);
+    8#447 -> sim_boolean:handle_EQVB(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 e7cd9a4..9e23bb2 100644
--- a/erlang/apps/sim/test/sim_boolean_tests.erl
+++ b/erlang/apps/sim/test/sim_boolean_tests.erl
@@ -83,6 +83,7 @@
 -define(OP_EQV, 8#444).
 -define(OP_EQVI, 8#445).
 -define(OP_EQVM, 8#446).
+-define(OP_EQVB, 8#447).
 
 %% 2.4 Boolean Functions =======================================================
 
@@ -561,6 +562,18 @@ eqvm_test() ->
          [ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, 8#343434)} % C(1,,200) = -1,,343434
          ]).
 
+eqvb_test() ->
+  Prog =
+    [ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
+    , {1, 8#101, ?INSN(?OP_EQVB, 1, 0, 0, 8#200)}     % 1,,101/ EQVB 1,200
+    , {1, 8#102, ?INSN_INVALID}                       % 1,,102/ <invalid>
+    , {1, 8#200, ?COMMA2(0, 8#333333)}                % 1,,200/ 0,,333333
+    ],
+  expect(Prog, [], {1, 8#102}, ?DEFAULT_FLAGS,
+         [ {#ea{section = 1, offset = 8#200, islocal = false}, ?COMMA2(-1, 8#343434)} % C(1,,200) = -1,,343434
+         , {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#343434)} % AC1 = -1,,343434
+         ]).
+
 %% Common code to run short sequences ==========================================
 
 expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->