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sim: sim_moves: handle MOVSI, add unit test

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This commit is contained in:
Mikael Pettersson 2020-07-14 14:00:02 +02:00
parent 3b96e2333c
commit 6561814cd8
3 changed files with 18 additions and 0 deletions
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1
erlang/apps/sim/src/sim_core.erl
View File

@ -229,6 +229,7 @@ dispatch(Core, Mem, IR, EA) ->
8#202 -> sim_moves:handle_MOVEM(Core, Mem, IR, EA);
8#203 -> sim_moves:handle_MOVES(Core, Mem, IR, EA);
8#204 -> sim_moves:handle_MOVS(Core, Mem, IR, EA);
8#205 -> sim_moves:handle_MOVSI(Core, Mem, IR, EA);
8#250 -> sim_moves:handle_EXCH(Core, Mem, IR, EA);
_ ->
PC = (Core#core.pc_section bsl 18) bor Core#core.pc_offset,

7
erlang/apps/sim/src/sim_moves.erl
View File

@ -30,6 +30,7 @@
, handle_MOVEM/4
, handle_MOVES/4
, handle_MOVS/4
, handle_MOVSI/4
]).
-include("sim_core.hrl").
@ -131,6 +132,12 @@ handle_MOVS(Core, Mem, IR, EA) ->
fun(Core1, Mem1) -> handle_MOVS(Core1, Mem1, IR, EA) end)
end.
-spec handle_MOVSI(#core{}, sim_mem:mem(), IR :: word(), #ea{})
-> {#core{}, sim_mem:mem(), {ok, integer()} | {error, {module(), term()}}}.
handle_MOVSI(Core, Mem, IR, #ea{offset = E}) ->
AC = IR band 8#17,
sim_core:next_pc(sim_core:set_ac(Core, AC, E bsl 18), Mem).
%% Miscellaneous ===============================================================
ea_address(#ea{section = Section, offset = Offset}) ->

10
erlang/apps/sim/test/sim_moves_tests.erl
View File

@ -48,6 +48,7 @@
-define(OP_MOVEM, 8#202).
-define(OP_MOVES, 8#203).
-define(OP_MOVS, 8#204).
-define(OP_MOVSI, 8#205).
-define(OP_EXCH, 8#250).
%% 2.1.1 Exchange Instruction ==================================================
@ -144,6 +145,15 @@ movs_test() ->
[ {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(8#42, 8#27)} % AC1 = 42,,27
]).
movsi_test() ->
Prog =
[ {1, 8#100, ?INSN(?OP_MOVSI, 1, 0, 0, -1)} % 1,,100/ MOVSI 1,-1
, {1, 8#101, ?INSN_INVALID} % 1,,101/ <invalid>
],
expect(Prog, [], {1, 8#101}, ?DEFAULT_FLAGS,
[ {#ea{section = 1, offset = 1, islocal = false}, ?COMMA2(-1, 0)} % AC1 = -1,,0
]).
%% Common code to run short sequences ==========================================
expect(Prog, ACs, ExpectedPC, ExpectedFlags, ExpectedEs) ->