dingusppc/devices/mesh.cpp

69 lines
2.3 KiB
C++
Raw Normal View History

/*
DingusPPC - The Experimental PowerPC Macintosh emulator
Copyright (C) 2018-21 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/>.
*/
/** @file MESH (Macintosh Enhanced SCSI Hardware) controller emulation. */
#include "mesh.h"
#include <cinttypes>
2021-09-30 20:57:11 +00:00
#include <loguru.hpp>
uint8_t MESHController::read(uint8_t reg_offset)
{
switch(reg_offset) {
case MeshReg::BusStatus0:
2021-09-30 20:57:11 +00:00
LOG_F(9, "MESH: read from BusStatus0 register");
return 0;
case MeshReg::MeshID:
LOG_F(INFO, "MESH: read from MeshID register");
return this->chip_id; // tell them who we are
default:
LOG_F(WARNING, "MESH: read from unimplemented register at offset %d", reg_offset);
}
return 0;
}
void MESHController::write(uint8_t reg_offset, uint8_t value)
{
switch(reg_offset) {
case MeshReg::Sequence:
LOG_F(INFO, "MESH: write 0x%02X to Sequence register", value);
break;
case MeshReg::BusStatus1:
LOG_F(INFO, "MESH: write 0x%02X to BusStatus1 register", value);
break;
case MeshReg::IntMask:
LOG_F(INFO, "MESH: write 0x%02X to IntMask register", value);
break;
case MeshReg::Interrupt:
LOG_F(INFO, "MESH: write 0x%02X to Interrupt register", value);
break;
case MeshReg::SourceID:
LOG_F(INFO, "MESH: write 0x%02X to SourceID register", value);
break;
case MeshReg::SyncParms:
LOG_F(INFO, "MESH: write 0x%02X to SyncParms register", value);
break;
default:
LOG_F(WARNING, "MESH: write to unimplemented register at offset %d", reg_offset);
}
}