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 <sstream>

#include <vector>

#include <gtest/gtest.h>

#include "EmulateFixture.h"

#include "Flags.h"

TEST_F(EmulateFixture, CbwPositive)

{

    write_reg(AL, 0x40);

    set_instruction({0x98});

    emulate();

    ASSERT_EQ(read_reg(AX), 0x0040);

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, CbwNegative)

{

    write_reg(AL, 0x80);

    set_instruction({0x98});

    emulate();

    ASSERT_EQ(read_reg(AX), 0xff80);

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, CwdPositive)

{

    write_reg(AX, 0x4000);

    set_instruction({0x99});

    emulate();

    ASSERT_EQ(read_reg(AX), 0x4000);

    ASSERT_EQ(read_reg(DX), 0x0000);

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}

TEST_F(EmulateFixture, CwdNegative)

{

    write_reg(AX, 0x8000);

    set_instruction({0x99});

    emulate();

    ASSERT_EQ(read_reg(AX), 0x8000);

    ASSERT_EQ(read_reg(DX), 0xffff);

    ASSERT_PRED_FORMAT2(AssertFlagsEqual, read_flags(), FLAGS_STUCK_BITS);

}