73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-23 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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/** @file SAA7187 Digital video encoder emulation. */
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#include <devices/common/i2c/saa7187.h>
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#include <loguru.hpp>
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Saa7187VideoEncoder::Saa7187VideoEncoder(uint8_t dev_addr)
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{
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supports_types(HWCompType::I2C_DEV);
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this->my_addr = dev_addr;
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}
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void Saa7187VideoEncoder::start_transaction()
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{
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LOG_F(INFO, "Saa7187: start_transaction");
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this->pos = 0; // reset read/write position
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}
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bool Saa7187VideoEncoder::send_subaddress(uint8_t sub_addr)
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{
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LOG_F(ERROR, "Saa7187: send_subaddress 0x%02x", sub_addr);
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//this->pos = sub_addr;
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return true;
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}
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bool Saa7187VideoEncoder::send_byte(uint8_t data)
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{
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if (this->pos == 0) {
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this->reg_num = data;
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LOG_F(INFO, "Saa7187: write 0x%02x", data);
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}
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else {
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if (this->reg_num < Saa7187Regs::last_reg) {
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this->regs[this->reg_num] = data;
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LOG_F(INFO, "Saa7187: write 0x%02x = 0x%02x", this->reg_num, data);
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}
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else {
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LOG_F(ERROR, "Saa7187: write 0x%02x = 0x%02x", this->reg_num, data);
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}
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this->reg_num++;
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}
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this->pos++;
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return true;
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}
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bool Saa7187VideoEncoder::receive_byte(uint8_t* p_data)
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{
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LOG_F(ERROR, "Saa7187: receive_byte");
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*p_data = 0x00;
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return true;
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}
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