mirror of
https://github.com/dingusdev/dingusppc.git
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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-20 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "devices/z85c30.h"
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#include <cinttypes>
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#include <thirdparty/loguru/loguru.hpp>
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Z85C30::Z85C30() {
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write_registers[0x04] = 0x04;
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write_registers[0x09] = 0xC0;
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write_registers[0x0B] = 0x08;
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write_registers[0x0E] = 0x30;
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write_registers[0x0F] = 0xF8;
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read_registers[0x00] = 0x44;
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read_registers[0x01] = 0x06;
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}
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Z85C30::~Z85C30() {
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}
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uint8_t Z85C30::read(uint8_t reg) {
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LOG_F(INFO, "Reading from register %d: 0x%x \n", reg, this->write_registers[reg]);
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return this->write_registers[reg];
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}
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void Z85C30::write(uint8_t reg, uint8_t value) {
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LOG_F(INFO, "Writing value 0x%x to register %d \n", value, reg);
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if (reg == 0x07) {
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if (this->enable_wr7_alt) {
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this->wr7_alt = value;
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}
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else {
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this->write_registers[0x07] = value;
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}
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}
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else {
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this->write_registers[reg] = value;
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}
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if (reg == 0x0F) {
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if (this->write_registers[0x0F] & 0x1) {
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this->enable_wr7_alt = true;
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}
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else{
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this->enable_wr7_alt = false;
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}
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}
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} |