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// license:???
// copyright-holders:???
#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
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