1 files changed, 15 insertions, 0 deletions

diff --git a/io/model.h b/io/model.h
new file mode 100644
index 0000000..86fb086
--- /dev/null
+++ b/io/model.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <array>
+#include <cstdint>
+
+#include "io/event.h"
+#include "isa/isa.h"
+
+struct iomodel {
+    static constexpr unsigned int TT_OUTPUT_DELAY = 100;
+
+    event_log log;
+    std::uint64_t time = 0;
+    bool interact(std::array<unsigned int, NUM_CTLREGS> &ctlregs);
+};