Initial commit for GitHub migration based on spice2x-25-03-03

src/spice2x/acio2emu/firmware/bi2x.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <vector>
+#include <span>
+#include <cstdint>
+
+#include "acio2emu/node.h"
+#include "util/logging.h"
+
+namespace acio2emu::firmware {
+    class BI2XNode : public Node {
+        virtual void read_firmware_version(std::vector<uint8_t> &buffer) = 0;
+
+        virtual bool read_input(std::vector<uint8_t> &buffer) = 0;
+        virtual int write_output(std::span<const uint8_t> buffer) = 0;
+
+        /*
+         * acio2emu::Node
+         */
+        bool handle_packet(const acio2emu::Packet &in, std::vector<uint8_t> &out) override;
+    };
+}