#include "zx_48mem.h"
#include "z80mem.h"
#include <string.h>
#include <stdio.h>


zx_48mem::zx_48mem()
{
    z80mem::singleton = this;
}

uint8_t zx_48mem::readMem(uint16_t address)
{
    return memory[address];
}

void zx_48mem::writeMem(uint16_t address, uint8_t value)
{
    memory[address] = value;
}

void zx_48mem::loadMem(uint16_t address, uint16_t len, uint8_t *buffer)
{
    memcpy(&memory[address], buffer, len);
}

uint8_t zx_48mem::getTag(uint16_t address)
{
    return tags[address];
}

void zx_48mem::setTag(uint16_t address, uint8_t value)
{
    tags[address] = value;
}

void zx_48mem::reset()
{
    FILE* f = fopen("48.rom", "rb");
    fread(memory, 1024, 16, f);
    fclose(f);

    for (int i=0x4000; i<=0xFFFF; ++i) memory[i] = 0;
    for (int i=0; i<65536; ++i) tags[i] = MEMTAG_NONE;
}

void zx_48mem::saveState(FILE *f)
{
    fwrite(&memory[0x4000], 0xc000, 1, f);
}

void zx_48mem::loadState(FILE *f)
{
    fread(&memory[0x4000], 0xc000, 1, f);
}

uint32_t zx_48mem::getSize()
{
    return 65536;
}