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sim: sim_boolean: handle SETCA, add unit test

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This commit is contained in:
Mikael Pettersson 2020-07-25 14:58:27 +02:00
parent 72005b2f10
commit 33b26588ec
3 changed files with 25 additions and 0 deletions
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11
erlang/apps/sim/src/sim_boolean.erl
View File

@ -48,6 +48,7 @@
, handle_IORB/4
, handle_IORI/4
, handle_IORM/4
, handle_SETCA/4
, handle_SETMB/4
, handle_SETMI/4
, handle_SETMM/4
@ -513,6 +514,16 @@ handle_EQVB(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_EQVB(Core1, Mem1, IR, EA) end)
end.
%% SETCA - Set to Complement of AC
-spec handle_SETCA(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_SETCA(Core, Mem, IR, _EA) ->
AC = IR band 8#17,
CA = sim_core:get_ac(Core, AC),
Word = (bnot CA) band ((1 bsl 36) - 1),
sim_core:next_pc(sim_core:set_ac(Core, AC, Word), Mem).
%% Miscellaneous ===============================================================
ea_address(#ea{section = Section, offset = Offset}) ->

1
erlang/apps/sim/src/sim_core.erl
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@ -293,6 +293,7 @@ dispatch(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);
8#450 -> sim_boolean:handle_SETCA(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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@ -84,6 +84,7 @@
-define(OP_EQVI, 8#445).
-define(OP_EQVM, 8#446).
-define(OP_EQVB, 8#447).
-define(OP_SETCA, 8#450).
%% 2.4 Boolean Functions =======================================================
@ -574,6 +575,18 @@ eqvb_test() ->
, {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 8#343434)} % AC1 = -1,,343434
]).
%% SETCA - Set to Complement of AC
setca_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_MOVEI, 1, 0, 0, 8#707070)} % 1,,100/ MOVEI 1,707070
, {1, 8#101, ?INSN(?OP_SETCA, 1, 0, 0, 0)} % 1,,101/ SETCA 1,
, {1, 8#102, ?INSN_INVALID} % 1,,102/ <invalid>
],
expect(Prog, [], {1, 8#102}, ?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) ->