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"

#include "Arithmetic.h"

static const std::vector<struct ArithmeticTest<uint8_t>> add8_tests = {

    {0, 0, 0, PF | ZF, false}, {0xf, 1, 0x10, AF, false},

        {255, 1, 0, ZF | CF | PF | AF, false}, {0xff, 0, 0xff, PF | SF, false},

        {127, 1, 128, OF | SF | AF, false},

};

static const std::vector<struct ArithmeticTest<uint16_t>> add16_tests = {

    {0, 0, 0, PF | ZF, false}, {0xf, 1, 0x10, AF, false},

        {0xffff, 1, 0, ZF | CF | PF | AF, false},

        {0xffff, 0, 0xffff, PF | SF, false},

        {32767, 1, 32768, OF | SF | AF | PF, false},

};

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticRegReg8Test,

                        ::testing::Values(

                            // add al, bl

                            Arith8Params({0x00, 0xd8}, add8_tests)));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticMemReg8Test,

                        ::testing::Values(

                            // add [bx], al

                            Arith8Params({0x00, 0x07}, add8_tests)));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticRegReg8TestReversed,

                        ::testing::Values(

                            // add bl, al

                            Arith8Params({0x02, 0xd8}, add8_tests)));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticMemReg8TestReversed,

                        ::testing::Values(

                            // add al, [bx]

                            Arith8Params({0x02, 0x07}, add8_tests)));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticRegReg16Test,

                        ::testing::Values(

                            // add ax, bx

                            Arith16Params({0x01, 0xd8}, add16_tests)));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticRegMem16Test,

                        ::testing::Values(

                            // adc [bx], ax

                            Arith16Params({0x01, 0x07}, add16_tests)));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticRegReg16TestReversed,

                        ::testing::Values(

                            // add bx, ax

                            Arith16Params({0x03, 0xd8}, add16_tests)));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticMemReg16TestReversed,

                        ::testing::Values(

                            // add ax, bx

                            Arith16Params({0x03, 0x07}, add16_tests)));

INSTANTIATE_TEST_CASE_P(

    Add,

    ArithmeticRegImmed8Test,

    ::testing::Values(

        // add bl, 1

        ArithImmed8Params(std::vector<uint8_t>{0x80, 0xc3, 0x01},

                          {1, 2, 0, false}),

        ArithImmed8Params(std::vector<uint8_t>{0x82, 0xc3, 0x01},

                          {1, 2, 0, false})));

INSTANTIATE_TEST_CASE_P(

    Add,

    ArithmeticMemImmed8Test,

    ::testing::Values(

        // add byte [bx], 1

        ArithImmed8Params(std::vector<uint8_t>{0x80, 0x07, 0x01},

                          {1, 2, 0, false}),

        ArithImmed8Params(std::vector<uint8_t>{0x82, 0x07, 0x01},

                          {1, 2, 0, false})));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticRegImmed16Test,

                        ::testing::Values(

                            // add bx, 1

                            ArithImmed16Params(std::vector<uint8_t>{0x81, 0xc3,

                                                                    0x01, 0x0},

                                               {1, 2, 0, false})));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticMemImmed16Test,

                        ::testing::Values(

                            // add word [bx], 1

                            ArithImmed16Params(std::vector<uint8_t>{0x81, 0x07,

                                                                    0x01, 0x00},

                                               {1, 2, 0, false})));

INSTANTIATE_TEST_CASE_P(

    Add,

    ArithmeticRegImmed16TestExtend,

    ::testing::Values(

        // add bx, -1

        ArithImmed16Params(std::vector<uint8_t>{0x83, 0xc3, 0xff},

                           {2, 1, CF | AF, false}),

        // add bx, 1

        ArithImmed16Params(std::vector<uint8_t>{0x83, 0xc3, 0x01},

                           {2, 3, PF, false})));

INSTANTIATE_TEST_CASE_P(

    Add,

    ArithmeticMemImmed16TestExtend,

    ::testing::Values(

        // add word [bx], -1

        ArithImmed16Params(std::vector<uint8_t>{0x83, 0x07, 0xff},

                           {2, 1, CF | AF, false}),

        // add word [bx], 1

        ArithImmed16Params(std::vector<uint8_t>{0x83, 0x07, 0x01},

                           {2, 3, PF, false})));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticAlImmedTest,

                        ::testing::Values(

                            // add al, 1

                            ArithImmed8Params(std::vector<uint8_t>{0x04, 0x01},

                                              {1, 2, 0, false})));

INSTANTIATE_TEST_CASE_P(Add,

                        ArithmeticAxImmedTest,

                        ::testing::Values(

                            // add ax, 1

                            ArithImmed16Params(std::vector<uint8_t>{0x05, 0x01,

                                                                    0x0},

                                               {1, 2, 0, false})));

TEST_F(EmulateFixture, MultipleAdd)

{

    // add al, 1; add al, 1

    set_instruction({0x04, 0x01, 0x04, 0x01});

    emulate(2);

    ASSERT_EQ(0x2, read_reg(AL));

}