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-rw-r--r--src/devices/cpu/dsp56000/dsp56000.h59
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diff --git a/src/devices/cpu/dsp56000/dsp56000.h b/src/devices/cpu/dsp56000/dsp56000.h
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+++ b/src/devices/cpu/dsp56000/dsp56000.h
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+// license:BSD-3-Clause
+// copyright-holders:Patrick Mackinlay
+
+#ifndef MAME_CPU_DSP56000_DSP56000_H
+#define MAME_CPU_DSP56000_DSP56000_H
+
+#pragma once
+
+class dsp56000_device_base : public cpu_device
+{
+protected:
+ dsp56000_device_base(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, u32 clock);
+
+ // device_t overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device_execute_interface overrides
+ virtual u64 execute_clocks_to_cycles(u64 clocks) const noexcept override { return (clocks + 2 - 1) / 2; }
+ virtual u64 execute_cycles_to_clocks(u64 cycles) const noexcept override { return (cycles * 2); }
+ virtual u32 execute_min_cycles() const noexcept override { return 1; }
+ virtual u32 execute_max_cycles() const noexcept override { return 16; }
+ virtual u32 execute_input_lines() const noexcept override { return 2; }
+ virtual void execute_run() override;
+ virtual void execute_set_input(int inputnum, int state) override;
+
+ // device_memory_interface overrides
+ virtual space_config_vector memory_space_config() const override;
+
+ // device_disasm_interface overrides
+ virtual std::unique_ptr<util::disasm_interface> create_disassembler() override;
+
+ // emulation state
+ address_space_config m_p_config;
+ address_space_config m_x_config;
+ address_space_config m_y_config;
+
+ int m_icount;
+
+ // program-visible cpu state
+ u16 m_pc;
+};
+
+class dsp56000_device : public dsp56000_device_base
+{
+public:
+ dsp56000_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
+};
+
+class dsp56001_device : public dsp56000_device_base
+{
+public:
+ dsp56001_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
+};
+
+DECLARE_DEVICE_TYPE(DSP56000, dsp56000_device)
+DECLARE_DEVICE_TYPE(DSP56001, dsp56001_device)
+
+#endif // MAME_CPU_DSP56000_DSP56000_H