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sim: sim_boolean: handle XORB, add unit test

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This commit is contained in:
Mikael Pettersson 2020-07-24 19:24:53 +02:00
parent 579a7aee5b
commit 6b43d21578
3 changed files with 29 additions and 0 deletions
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15
erlang/apps/sim/src/sim_boolean.erl
View File

@ -43,6 +43,7 @@
, handle_SETZB/4
, handle_SETZM/4
, handle_XOR/4
, handle_XORB/4
, handle_XORI/4
, handle_XORM/4
]).
@ -330,6 +331,20 @@ handle_XORM(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_XORM(Core1, Mem1, IR, EA) end)
end.
-spec handle_XORB(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_XORB(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 bxor CA,
handle_ANDB(Core, Mem, AC, EA, Word);
{error, Reason} ->
sim_core:page_fault(Core, Mem, ea_address(EA), read, Reason,
fun(Core1, Mem1) -> handle_XORB(Core1, Mem1, IR, EA) end)
end.
%% Miscellaneous ===============================================================
ea_address(#ea{section = Section, offset = Offset}) ->

1
erlang/apps/sim/src/sim_core.erl
View File

@ -280,6 +280,7 @@ dispatch(Core, Mem, IR, EA) ->
8#430 -> sim_boolean:handle_XOR(Core, Mem, IR, EA);
8#431 -> sim_boolean:handle_XORI(Core, Mem, IR, EA);
8#432 -> sim_boolean:handle_XORM(Core, Mem, IR, EA);
8#433 -> sim_boolean:handle_XORB(Core, Mem, IR, EA);
_ ->
PC = (Core#core.pc_section bsl 18) bor Core#core.pc_offset,
{Core, Mem, {error, {?MODULE, {dispatch, PC, IR, EA}}}}

13
erlang/apps/sim/test/sim_boolean_tests.erl
View File

@ -71,6 +71,7 @@
-define(OP_XOR, 8#430).
-define(OP_XORI, 8#431).
-define(OP_XORM, 8#432).
-define(OP_XORB, 8#433).
%% 2.4 Boolean Functions =======================================================
@ -411,6 +412,18 @@ xorm_test() ->
[ {#ea{section = 1, offset = 8#200, islocal = false}, 8#434343} % C(1,,200) = 0,,434343
]).
xorb_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
, {1, 8#101, ?INSN(?OP_XORB, 1, 0, 0, 8#200)} % 1,,101/ XORB 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}, 8#434343} % C(1,,200) = 0,,434343
, {#ea{section = 1, offset = 1, islocal = false}, 8#434343} % AC1 = 0,,434343
]).
%% Common code to run short sequences ==========================================
expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->