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/*
* Copyright holder 2001-2011 Vedder Bruno.
* Work continued by 2016-2020 Carlos Donizete Froes [a.k.a coringao]
*
* This file is part of Osmose Emulator, a Sega Master System and Game Gear
* software emulator.
*
* Osmose Emulator 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.
*
* Osmose Emulator 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 Osmose Emulator. If not, see <http://www.gnu.org/licenses/>.
*
* Many thanks to Vedder Bruno, the original author of Osmose Emulator.
*
*/
#include <iostream>
#include <iomanip> // for trace in hexa in rw port
#include "Z80.h"
#include "SmsEnvironment.h"
using namespace std;
/** Constructor. */
SmsEnvironment::SmsEnvironment()
{
}
/** Destructor. */
SmsEnvironment::~SmsEnvironment()
{
}
/** Called immediately after a RETI is executed. */
void SmsEnvironment::onReturnFromInterrupt()
{
}
void SmsEnvironment::onInterruptsEnabled()
{
if (v->irqAsserted())
{
cpu->interrupt(0xff);
}
}
void SmsEnvironment::setMemoryMapper(MemoryMapper *m)
{
mmapper = m;
}
void SmsEnvironment::setIOMapper(IOMapper *m)
{
iomapper = m;
}
void SmsEnvironment::setVDP(VDP *vdp)
{
v = vdp;
}
void SmsEnvironment::setCPU(Z80 *c)
{
cpu = c;
}
/* 8 bits read operation. */
u8 SmsEnvironment::rd8( u16 addr )
{
//printf("r%.4x\n", addr);
return mmapper->rd8(addr & 0xFFFF);
}
/* 8 bits write operation. */
void SmsEnvironment::wr8( u16 addr, u8 value )
{
//printf("w%.4x, %.2x\n", addr, value);
mmapper->wr8(addr & 0xFFFF, value);
}
/* 8 bits read IO operation. */
u8 SmsEnvironment::in( u16 port )
{
//printf("i%.4x\n", port & 0xff);
return iomapper->in8(port & 0xff);
}
/* 8 bits write IO operation. */
void SmsEnvironment::out( u16 port, u8 value )
{
//printf("o%.2x, %.2x\n", port & 0xff, value);
iomapper->out8(port & 0xff,value);
}
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