Subversion Repositories s80186

// Copyright Jamie Iles, 2017

//

// This file is part of s80x86.

//

// s80x86 is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// s80x86 is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with s80x86.  If not, see <http://www.gnu.org/licenses/>.

#include <gtest/gtest.h>

#include "EmulateFixture.h"

#include "Flags.h"

TEST_F(EmulateFixture, ClcClearsCarry)

{

    write_flags(CF);

    set_instruction({0xf8});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, ClcDoesntSetCarry)

{

    write_flags(0);

    set_instruction({0xf8});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, CmcInverts0)

{

    write_flags(0);

    set_instruction({0xf5});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS | CF);

}

TEST_F(EmulateFixture, CmcInverts1)

{

    write_flags(CF);

    set_instruction({0xf5});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, StcSetsCarry)

{

    write_flags(0);

    set_instruction({0xf9});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS | CF);

}

TEST_F(EmulateFixture, StcDoesntClearCarry)

{

    write_flags(CF);

    set_instruction({0xf9});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS | CF);

}

TEST_F(EmulateFixture, CldClearsDirection)

{

    write_flags(DF);

    set_instruction({0xfc});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, CldDoesntSetDirection)

{

    write_flags(0);

    set_instruction({0xfc});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, StdSetsDirection)

{

    write_flags(0);

    set_instruction({0xfd});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS | DF);

}

TEST_F(EmulateFixture, StdDoesntClearDirection)

{

    write_flags(DF);

    set_instruction({0xfd});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS | DF);

}

TEST_F(EmulateFixture, CliClearsInterrupt)

{

    write_flags(IF);

    set_instruction({0xfa});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, CliDoesntSetInterrupt)

{

    write_flags(0);

    set_instruction({0xfa});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, StiSetsInterrupt)

{

    write_flags(0);

    set_instruction({0xfb});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS | IF);

}

TEST_F(EmulateFixture, StiDoesntClearInterrupt)

{

    write_flags(IF);

    set_instruction({0xfb});

    emulate();

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS | IF);

}