vinace/src/core/units/c-slots-unit.cpp

69 lines
1.8 KiB
C++

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
* Vinace
* Copyright (C) P.Y. Rollo 2009 <dev@pyrollo.com>
*
* Vinace 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.
*
* Vinace 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "c-slots-unit.hpp"
CSlotsUnit::CSlotsUnit() {
for (int index = 0; index <7; index++)
slots[index] = 0;
}
// Spread reset signal to cards
void CSlotsUnit::reset() {
for (int index = 0; index <7; index++)
if (slots[index]) slots[index]->reset();
notifyUpdate();
}
// Dispatch write requests to cards
void CSlotsUnit::write(BYTE addr, BYTE byte) {
if (addr > 0x8F) {
if (slots[(addr>>4)-0x9]) {
slots[(addr>>4)-0x9]->write(addr&0x0f, byte);
}
}
}
// Dispatch read requests to cards
BYTE CSlotsUnit::read(BYTE addr) {
if (addr > 0x8F) {
if (slots[(addr>>4)-0x9]) {
return slots[(addr>>4)-0x9]->read(addr&0x0f);
}
}
return dummy_byte()&0x7F;
}
void CSlotsUnit::insert_card(int slot, CUnit *cardUnit) {
if (slot > 0 and slot < 8)
slots[slot-1] = cardUnit;
notifyUpdate();
}
void CSlotsUnit::remove_card(int slot) {
if (slot > 0 and slot < 8)
slots[slot-1] = 0;
notifyUpdate();
}
/*
CCard *CSlotsUnit::get_card(int slot) {
if (slot >= 0 and slot < 8)
return slots[slot];
}
*/