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-rw-r--r--src/devices/cpu/gigatron/gigatron.h62
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diff --git a/src/devices/cpu/gigatron/gigatron.h b/src/devices/cpu/gigatron/gigatron.h
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+// license:BSD-3-Clause
+// copyright-holders:Sterophonick
+/*****************************************************************************
+ *
+ * Skeleton Device for Gigatron CPU Core
+ *
+ *****************************************************************************/
+
+#ifndef MAME_CPU_GTRON_H
+#define MAME_CPU_GTRON_H
+
+#pragma once
+
+enum
+{
+ GTRON_R0=1, GTRON_R1, GTRON_R2, GTRON_R3,
+ GTRON_R4, GTRON_R5, GTRON_R6, GTRON_R7
+};
+
+
+class gigatron_cpu_device : public cpu_device
+{
+public:
+ // construction/destruction
+ gigatron_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device_execute_interface overrides
+ virtual uint32_t execute_min_cycles() const noexcept override { return 1; }
+ virtual uint32_t execute_max_cycles() const noexcept override { return 7; }
+ virtual uint32_t execute_input_lines() const noexcept override { return 0; }
+ virtual void execute_run() override;
+ virtual void execute_set_input(int inputnum, int state) override;
+
+ // device_state_interface overrides
+ virtual void state_string_export(const device_state_entry &entry, std::string &str) const override;
+
+
+private:
+ address_space_config m_program_config;
+
+ uint8_t m_pc; /* registers */
+ uint8_t m_flags; /* flags */
+ address_space *m_program;
+ address_space *m_data;
+ int m_icount;
+
+ void gigatron_illegal();
+
+};
+
+
+DECLARE_DEVICE_TYPE(GTRON, gigatron_cpu_device)
+
+
+
+#endif // MAME_CPU_GTRON_H
+