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sim: sim_boolean: handle XORM, add unit test

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This commit is contained in:
Mikael Pettersson 2020-07-24 19:16:48 +02:00
parent 84a0e9b226
commit 579a7aee5b
3 changed files with 28 additions and 0 deletions
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15
erlang/apps/sim/src/sim_boolean.erl
View File

@ -44,6 +44,7 @@
, handle_SETZM/4
, handle_XOR/4
, handle_XORI/4
, handle_XORM/4
]).
-include("sim_core.hrl").
@ -315,6 +316,20 @@ handle_XORI(Core, Mem, IR, EA) ->
Word = CA bxor EA#ea.offset,
sim_core:next_pc(sim_core:set_ac(Core, AC, Word), Mem).
-spec handle_XORM(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_XORM(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_ANDM_1(Core, Mem, EA, Word);
{error, Reason} ->
sim_core:page_fault(Core, Mem, ea_address(EA), read, Reason,
fun(Core1, Mem1) -> handle_XORM(Core1, Mem1, IR, EA) end)
end.
%% Miscellaneous ===============================================================
ea_address(#ea{section = Section, offset = Offset}) ->

1
erlang/apps/sim/src/sim_core.erl
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@ -279,6 +279,7 @@ dispatch(Core, Mem, IR, EA) ->
8#427 -> sim_moves:handle_MOVEM(Core, Mem, IR, EA); % SETAB = MOVEM
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);
_ ->
PC = (Core#core.pc_section bsl 18) bor Core#core.pc_offset,
{Core, Mem, {error, {?MODULE, {dispatch, PC, IR, EA}}}}

12
erlang/apps/sim/test/sim_boolean_tests.erl
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@ -70,6 +70,7 @@
-define(OP_SETAB, 8#426).
-define(OP_XOR, 8#430).
-define(OP_XORI, 8#431).
-define(OP_XORM, 8#432).
%% 2.4 Boolean Functions =======================================================
@ -399,6 +400,17 @@ xori_test() ->
[ {#ea{section = 1, offset = 1, islocal = false}, 8#434343} % AC1 = 0,,434343
]).
xorm_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
, {1, 8#101, ?INSN(?OP_XORM, 1, 0, 0, 8#200)} % 1,,101/ XORM 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
]).
%% Common code to run short sequences ==========================================
expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->