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 "RegisterFile.h"

TEST(RegisterFile, hlx_update_propogated)

{

    RegisterFile rf;

    rf.set(AX, 0x55aa);

    ASSERT_EQ(0x55, rf.get(AH));

    ASSERT_EQ(0xaa, rf.get(AL));

    ASSERT_EQ(0x55aa, rf.get(AX));

    rf.set(AH, 0xde);

    rf.set(AL, 0xad);

    ASSERT_EQ(0xde, rf.get(AH));

    ASSERT_EQ(0xad, rf.get(AL));

    ASSERT_EQ(0xdead, rf.get(AX));

}

TEST(RegisterFile, reset_clears)

{

    RegisterFile rf;

    rf.set(AX, 0x1234);

    ASSERT_EQ(0x1234, rf.get(AX));

    rf.set_flags(0x0000);

    // Bit 1 is always 1 on 8086

    ASSERT_EQ(0xf002, rf.get_flags());

    rf.reset();

    ASSERT_EQ(0x0000, rf.get(AX));

    // Bit 1 is always 1 on 8086

    ASSERT_EQ(FLAGS_STUCK_BITS, rf.get_flags());

}

TEST(RegisterFile, flags_mask)

{

    RegisterFile rf;

    rf.set_flags(CF | AF, CF);

    ASSERT_EQ(CF | FLAGS_STUCK_BITS, rf.get_flags());

}