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// license:BSD-3-Clause
// copyright-holders:Luca Elia, David Haywood
/* CALC 3 */
#define VERBOSE_OUTPUT 0
class kaneko_calc3_device : public device_t
{
public:
kaneko_calc3_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_WRITE16_MEMBER(mcu_com0_w);
DECLARE_WRITE16_MEMBER(mcu_com1_w);
DECLARE_WRITE16_MEMBER(mcu_com2_w);
DECLARE_WRITE16_MEMBER(mcu_com3_w);
void reset_run_timer();
void mcu_run();
protected:
virtual void device_start();
virtual void device_reset();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
private:
required_shared_ptr<UINT16> m_mcuram;
int m_mcu_status;
int m_mcu_command_offset;
UINT16 m_mcu_crc;
UINT8 m_decryption_key_byte;
UINT8 m_alternateswaps;
UINT8 m_shift;
UINT8 m_subtracttype;
UINT8 m_mode;
UINT8 m_blocksize_offset;
UINT16 m_dataend;
UINT16 m_database;
int m_data_header[2];
UINT32 m_writeaddress;
UINT32 m_writeaddress_current;
UINT16 m_dsw_addr;
UINT16 m_eeprom_addr;
UINT16 m_poll_addr;
UINT16 m_checksumaddress;
emu_timer* m_runtimer;
enum
{
MCU_RUN_TIMER
};
void mcu_init();
void initial_scan_tables();
void mcu_com_w(offs_t offset, UINT16 data, UINT16 mem_mask, int _n_);
UINT8 shift_bits(UINT8 dat, int bits);
int decompress_table(int tabnum, UINT8* dstram, int dstoffset);
};
extern const device_type KANEKO_CALC3;
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