diff --git a/devices/common/adb/adbbus.cpp b/devices/common/adb/adbbus.cpp
new file mode 100644
index 0000000..4899439
--- /dev/null
+++ b/devices/common/adb/adbbus.cpp
@@ -0,0 +1,94 @@
+/*
+DingusPPC - The Experimental PowerPC Macintosh emulator
+Copyright (C) 2018-23 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 .
+*/
+
+/** @file Apple Desktop Bus emulation. */
+
+#include
+#include
+#include
+
+AdbBus::AdbBus(std::string name) {
+ this->set_name(name);
+ supports_types(HWCompType::ADB_HOST);
+ this->devices.clear();
+}
+
+void AdbBus::register_device(AdbDevice* dev_obj) {
+ this->devices.push_back(dev_obj);
+}
+
+uint8_t AdbBus::process_command(const uint8_t* in_data, int data_size) {
+ uint8_t dev_addr, dev_reg;
+
+ this->output_count = 0;
+
+ if (!data_size)
+ return ADB_STAT_OK;
+
+ uint8_t cmd_byte = in_data[0];
+ uint8_t cmd = cmd_byte & 0xF;
+
+ if(!cmd) { // SendReset
+ LOG_F(9, "%s: SendReset issued", this->name.c_str());
+ for (auto dev : this->devices)
+ dev->reset();
+ } else if (cmd == 1) { // Flush
+ dev_addr = cmd_byte >> 4;
+
+ LOG_F(9, "%s: Flush issued, dev_addr=0x%X", this->name.c_str(), dev_addr);
+ } else if ((cmd & 0xC) == 8) { // Listen
+ dev_addr = cmd_byte >> 4;
+ dev_reg = cmd_byte & 3;
+
+ LOG_F(9, "%s: Listen R%d issued, dev_addr=0x%X", this->name.c_str(),
+ dev_reg, dev_addr);
+
+ this->input_buf = in_data + 1;
+ this->input_count = data_size - 1;
+
+ for (auto dev : this->devices)
+ dev->listen(dev_addr, dev_reg);
+ } else if ((cmd & 0xC) == 0xC) { // Talk
+ dev_addr = cmd_byte >> 4;
+ dev_reg = cmd_byte & 3;
+
+ LOG_F(9, "%s: Talk R%d issued, dev_addr=0x%X", this->name.c_str(),
+ dev_reg, dev_addr);
+
+ this->got_answer = false;
+
+ for (auto dev : this->devices)
+ this->got_answer = dev->talk(dev_addr, dev_reg);
+
+ if (!this->got_answer)
+ return ADB_STAT_TIMEOUT;
+ } else {
+ ABORT_F("%s: unsupported ADB command 0x%X", this->name.c_str(), cmd_byte);
+ }
+
+ return ADB_STAT_OK;
+}
+
+static const DeviceDescription AdbBus_Descriptor = {
+ AdbBus::create, {}, {}
+};
+
+REGISTER_DEVICE(AdbBus, AdbBus_Descriptor);
diff --git a/devices/common/adb/adbbus.h b/devices/common/adb/adbbus.h
new file mode 100644
index 0000000..ae311d1
--- /dev/null
+++ b/devices/common/adb/adbbus.h
@@ -0,0 +1,75 @@
+/*
+DingusPPC - The Experimental PowerPC Macintosh emulator
+Copyright (C) 2018-23 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 .
+*/
+
+/** @file Apple Desktop Bus definitions. */
+
+#ifndef ADB_BUS_H
+#define ADB_BUS_H
+
+#include
+#include
+
+#include
+#include
+#include
+
+#define ADB_MAX_DATA_SIZE 8
+
+/** ADB status. */
+enum {
+ ADB_STAT_OK = 0,
+ ADB_STAT_SRQ_ACTIVE = 1 << 0,
+ ADB_STAT_TIMEOUT = 1 << 1,
+};
+
+class AdbDevice; // forward declaration to prevent compiler errors
+
+class AdbBus : public HWComponent {
+public:
+ AdbBus(std::string name);
+ ~AdbBus() = default;
+
+ static std::unique_ptr create() {
+ return std::unique_ptr(new AdbBus("ADB-BUS"));
+ }
+
+ void register_device(AdbDevice* dev_obj);
+ uint8_t process_command(const uint8_t* in_data, int data_size);
+ uint8_t get_output_count() { return this->output_count; };
+
+ // callbacks meant to be called by devices
+ const uint8_t* get_input_buf() { return this->input_buf; };
+ uint8_t* get_output_buf() { return this->output_buf; };
+ uint8_t get_input_count() { return this->input_count; };
+ void set_output_count(uint8_t count) { this->output_count = count; };
+ bool already_answered() { return this->got_answer; };
+
+private:
+ std::vector devices;
+
+ bool got_answer = false;
+ const uint8_t* input_buf = nullptr;
+ uint8_t output_buf[ADB_MAX_DATA_SIZE] = {};
+ uint8_t input_count = 0;
+ uint8_t output_count = 0;
+};
+
+#endif // ADB_BUS_H