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>> cmp8_tests = {

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

        {3, 2, 3, 0, false}, {0xff, 0xff, 0xff, PF | ZF, false},

        {0, 0xff, 0, CF | AF, false},

};

static const std::vector<struct ArithmeticTest<uint16_t>> cmp16_tests = {

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

        {3, 2, 3, 0, false}, {0xffff, 0xffff, 0xffff, PF | ZF, false},

        {0, 0xffff, 0, CF | AF, false},

};

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticRegReg8Test,

                        ::testing::Values(

                            // cmp al, bl

                            Arith8Params({0x38, 0xd8}, cmp8_tests)));

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticMemReg8Test,

                        ::testing::Values(

                            // cmp [bx], al

                            Arith8Params({0x38, 0x07}, cmp8_tests)));

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticRegReg8TestReversedNoResult,

                        ::testing::Values(

                            // cmp bl, al

                            Arith8Params({0x3a, 0xd8}, cmp8_tests)));

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticMemReg8TestReversedNoResult,

                        ::testing::Values(

                            // cmp al, [bx]

                            Arith8Params({0x3a, 0x07}, cmp8_tests)));

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticRegReg16Test,

                        ::testing::Values(

                            // cmp ax, bx

                            Arith16Params({0x39, 0xd8}, cmp16_tests)));

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticRegMem16Test,

                        ::testing::Values(

                            // adc [bx], ax

                            Arith16Params({0x39, 0x07}, cmp16_tests)));

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticRegReg16TestReversedNoResult,

                        ::testing::Values(

                            // cmp bx, ax

                            Arith16Params({0x3b, 0xd8}, cmp16_tests)));

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticMemReg16TestReversedNoResult,

                        ::testing::Values(

                            // cmp ax, bx

                            Arith16Params({0x3b, 0x07}, cmp16_tests)));

// Immediates

INSTANTIATE_TEST_CASE_P(

    Cmp,

    ArithmeticRegImmed8Test,

    ::testing::Values(

        // cmp bl, 1

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

                          {2, 2, 0, false}),

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

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

INSTANTIATE_TEST_CASE_P(

    Cmp,

    ArithmeticMemImmed8Test,

    ::testing::Values(

        // cmp byte [bx], 1

        ArithImmed8Params(std::vector<uint8_t>{0x80, 0x3f, 0x01},

                          {2, 2, 0, false}),

        ArithImmed8Params(std::vector<uint8_t>{0x82, 0x3f, 0x01},

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

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticRegImmed16Test,

                        ::testing::Values(

                            // cmp bx, 1

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

                                                                    0x01, 0x0},

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

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticMemImmed16Test,

                        ::testing::Values(

                            // cmp word [bx], 1

                            ArithImmed16Params(std::vector<uint8_t>{0x81, 0x3f,

                                                                    0x01, 0x00},

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

INSTANTIATE_TEST_CASE_P(

    Cmp,

    ArithmeticRegImmed16TestExtend,

    ::testing::Values(

        // cmp bx, -1

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

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

        // cmp bx, 1

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

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

INSTANTIATE_TEST_CASE_P(

    Cmp,

    ArithmeticMemImmed16TestExtend,

    ::testing::Values(

        // cmp word [bx], -1

        ArithImmed16Params(std::vector<uint8_t>{0x83, 0x3f, 0xff},

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

        // cmp word [bx], 1

        ArithImmed16Params(std::vector<uint8_t>{0x83, 0x3f, 0x01},

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

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticAlImmedTest,

                        ::testing::Values(

                            // cmp al, 1

                            ArithImmed8Params(std::vector<uint8_t>{0x3c, 0x01},

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

INSTANTIATE_TEST_CASE_P(Cmp,

                        ArithmeticAxImmedTest,

                        ::testing::Values(

                            // cmp ax, 1

                            ArithImmed16Params(std::vector<uint8_t>{0x3d, 0x01,

                                                                    0x0},

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