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sim: sim_boolean: handle SETCM, add unit test

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This commit is contained in:
Mikael Pettersson 2020-07-25 16:28:48 +02:00
parent 9bdf6331a4
commit abe2cdde6d
3 changed files with 30 additions and 0 deletions
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16
erlang/apps/sim/src/sim_boolean.erl
View File

@ -55,6 +55,7 @@
, handle_SETCA/4
, handle_SETCAB/4
, handle_SETCAM/4
, handle_SETCM/4
, handle_SETMB/4
, handle_SETMI/4
, handle_SETMM/4
@ -598,6 +599,21 @@ handle_ORCAB(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_ORCAB(Core1, Mem1, IR, EA) end)
end.
%% SETCM - Set to Complement of Memory
-spec handle_SETCM(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_SETCM(Core, Mem, IR, EA) ->
case sim_core:c(Core, Mem, EA) of
{ok, CE} ->
AC = IR band 8#17,
Word = (bnot CE) band ((1 bsl 36) - 1),
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_SETCM(Core1, Mem1, IR, EA) end)
end.
%% Miscellaneous ===============================================================
ea_address(#ea{section = Section, offset = Offset}) ->

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

@ -301,6 +301,7 @@ dispatch(Core, Mem, IR, EA) ->
8#455 -> sim_boolean:handle_ORCAI(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);
_ ->
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
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@ -92,6 +92,7 @@
-define(OP_ORCAI, 8#455).
-define(OP_ORCAM, 8#456).
-define(OP_ORCAB, 8#457).
-define(OP_SETCM, 8#460).
%% 2.4 Boolean Functions =======================================================
@ -673,6 +674,18 @@ orcab_test() ->
, {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#373737)} % AC1 = -1,,373737
]).
%% SETCM - Set to Complement of Memory
setcm_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_SETCM, 1, 0, 0, 8#200)} % 1,,100/ SETCM 1,200
, {1, 8#101, ?INSN_INVALID} % 1,,101/ <invalid>
, {1, 8#200, ?COMMA2(0, 8#707070)} % 1,,200/ 0,,707070
],
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) ->