dingusppc/devices/escc.cpp
2020-12-18 18:50:26 -07:00

61 lines
1.7 KiB
C++

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-20 divingkatae and maximum
(theweirdo) spatium
(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
This program 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.
This program 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 <https://www.gnu.org/licenses/>.
*/
#include "escc.h"
#include <cinttypes>
#include <thirdparty/loguru/loguru.hpp>
using namespace std;
ESCC::ESCC() {}
ESCC::~ESCC() {}
uint8_t ESCC::escc_read(bool is_legacy, uint32_t offset, int size) {
return 0;
}
void ESCC::escc_write(bool is_legacy, uint32_t offset, uint8_t value, int size) {
if (is_legacy) {
if (offset == 0x02) {
if (!prep_value) {
store_reg = value & 0xF;
prep_value = true;
} else {
escc_reg[store_reg] = value;
prep_value = false;
}
}
}
else {
if (offset == 0x20) {
if (!prep_value) {
store_reg = value & 0xF;
prep_value = true;
} else {
escc_reg[store_reg] = value;
prep_value = false;
}
}
}
}