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+// license:BSD-3-Clause
+// copyright-holders:Sergey Svishchev
+#ifndef __IE15_H__
+#define __IE15_H__
+
+//**************************************************************************
+// ENUMERATIONS
+//**************************************************************************
+
+enum
+{
+ IE15_PC,
+ IE15_A,
+ IE15_R0, IE15_R1, IE15_R2, IE15_R3, IE15_R4, IE15_R5, IE15_R6, IE15_R7,
+ IE15_R8, IE15_R9, IE15_R10, IE15_R11, IE15_R12, IE15_R13, IE15_R14, IE15_R15,
+ IE15_R16, IE15_R17, IE15_R18, IE15_R19, IE15_R20, IE15_R21, IE15_R22, IE15_R23,
+ IE15_R24, IE15_R25, IE15_R26, IE15_R27, IE15_R28, IE15_R29, IE15_R30, IE15_R31,
+
+ IE15_GENPC = STATE_GENPC,
+ IE15_GENPCBASE = STATE_GENPCBASE
+};
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class ie15_device;
+
+class ie15_device : public cpu_device
+{
+public:
+ // construction/destruction
+ ie15_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_execute_interface overrides
+ virtual UINT32 execute_min_cycles() const;
+ virtual UINT32 execute_max_cycles() const;
+ virtual void execute_run();
+
+ // device_memory_interface overrides
+ virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const;
+
+ // device_state_interface overrides
+ virtual void state_import(const device_state_entry &entry);
+ virtual void state_export(const device_state_entry &entry);
+ virtual void state_string_export(const device_state_entry &entry, std::string &str);
+
+ // device_disasm_interface overrides
+ virtual UINT32 disasm_min_opcode_bytes() const;
+ virtual UINT32 disasm_max_opcode_bytes() const;
+ virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options);
+
+ virtual void execute_one(int opcode);
+
+ UINT8 rop();
+ UINT8 get_reg_lo(UINT8 reg);
+ UINT16 get_reg(UINT8 reg);
+ void set_reg(UINT8 reg, UINT16 val);
+ UINT8 arg();
+ void update_flags(UINT8 val);
+ UINT8 do_condition(UINT8 val);
+ UINT16 get_addr(UINT8 val);
+ void illegal(UINT8 opcode);
+
+ int m_icount;
+
+ // configuration
+ const address_space_config m_program_config;
+ const address_space_config m_io_config;
+
+ UINT8 m_A;
+ PAIR m_PC;
+ UINT16 m_REGS[32]; // General registers (2 pages of 16)
+ UINT8 m_CF; // Carry flag
+ UINT8 m_ZF; // Zero flag
+ UINT8 m_RF; // Current register page
+ UINT8 m_flags; // temporary I/O only
+
+ address_space *m_program;
+ address_space *m_io;
+ direct_read_data *m_direct;
+};
+
+// device type definition
+extern const device_type IE15;
+
+#endif