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 "Memory.h"

#include <cassert>

#include <cstring>

Memory::Memory()

{

    memset(mem, mem_init_8, sizeof(mem));

    memset(mem + 0x1000, 0, 128);

}

template <typename T>

void Memory::write(phys_addr addr, T val)

{

    assert(addr + sizeof(T) <= MEMORY_SIZE);

    memcpy(mem + addr, &val, sizeof(val));

    written = true;

}

template void Memory::write<uint8_t>(phys_addr addr, uint8_t val);

template void Memory::write<uint16_t>(phys_addr addr, uint16_t val);

template void Memory::write<uint32_t>(phys_addr addr, uint32_t val);

template <typename T>

T Memory::read(phys_addr addr) const

{

    assert(addr + sizeof(T) <= MEMORY_SIZE);

    T val;

    memcpy(&val, mem + addr, sizeof(val));

    return val;

}

template uint8_t Memory::read<uint8_t>(phys_addr addr) const;

template uint16_t Memory::read<uint16_t>(phys_addr addr) const;

template uint32_t Memory::read<uint32_t>(phys_addr addr) const;

bool Memory::has_written() const

{

    return written;

}

void Memory::clear_has_written()

{

    written = false;

}