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/>.

void EmulatorPimpl::retc3()

{

    auto ip = pop_word();

    registers->set(IP, ip);

    jump_taken = true;

}

void EmulatorPimpl::retc2()

{

    auto displacement = fetch_16bit();

    auto ip = pop_word();

    registers->set(IP, ip);

    registers->set(SP, registers->get(SP) + displacement);

    jump_taken = true;

}

void EmulatorPimpl::retcb()

{

    auto ip = pop_word();

    auto cs = pop_word();

    registers->set(IP, ip);

    registers->set(CS, cs);

    jump_taken = true;

}

void EmulatorPimpl::retca()

{

    auto displacement = fetch_16bit();

    auto ip = pop_word();

    auto cs = pop_word();

    registers->set(IP, ip);

    registers->set(CS, cs);

    registers->set(SP, registers->get(SP) + displacement);

    jump_taken = true;

}

void EmulatorPimpl::iretcf()

{

    auto ip = pop_word();

    auto cs = pop_word();

    auto flags = pop_word();

    registers->set(IP, ip);

    registers->set(CS, cs);

    registers->set_flags(flags);

    jump_taken = true;

}