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"

TEST_F(EmulateFixture, LeaAxBx)

{

    // lea ax, [bx]

    set_instruction({0x8d, 0x07});

    write_reg(BX, 0x1234);

    emulate();

    ASSERT_EQ(0x1234, read_reg(AX));

}

TEST_F(EmulateFixture, LeaAxBxSiDisplacement)

{

    // lea ax, [bx+si+0x1234]

    set_instruction({0x8d, 0x80, 0x34, 0x12});

    write_reg(BX, 0x0400);

    write_reg(SI, 0x0100);

    emulate();

    ASSERT_EQ(0x1234 + 0x0400 + 0x0100, read_reg(AX));

}

TEST_F(EmulateFixture, Lds)

{

    // lds si, [0x0100]

    set_instruction({0xc5, 0x36, 0x00, 0x01});

    write_mem32(0x0100, 0x80001234);

    emulate();

    ASSERT_EQ(0x8000, read_reg(DS));

    ASSERT_EQ(0x1234, read_reg(SI));

}

TEST_F(EmulateFixture, Les)

{

    // les si, [0x0100]

    set_instruction({0xc4, 0x36, 0x00, 0x01});

    write_mem32(0x0100, 0x80001234);

    emulate();

    ASSERT_EQ(0x8000, read_reg(ES));

    ASSERT_EQ(0x1234, read_reg(SI));

}