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// license:BSD-3-Clause
// copyright-holders:David Haywood, ElSemi
#ifndef MAME_MACHINE_IGS025_H
#define MAME_MACHINE_IGS025_H
#pragma once
// used to connect the 022
typedef device_delegate<void (void)> igs025_execute_external;
class igs025_device : public device_t
{
public:
igs025_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint16_t killbld_igs025_prot_r(offs_t offset);
// use setters instead of making public?
const uint8_t (*m_kb_source_data)[0xec]{};
uint32_t m_kb_game_id = 0;
uint32_t m_kb_region = 0;
template <typename... T> void set_external_cb(T &&... args) { m_execute_external.set(std::forward<T>(args)...); }
void olds_w(offs_t offset, uint16_t data);
void drgw2_d80000_protection_w(offs_t offset, uint16_t data);
void killbld_igs025_prot_w(offs_t offset, uint16_t data);
protected:
virtual void device_start() override;
virtual void device_reset() override;
igs025_execute_external m_execute_external;
uint16_t m_kb_prot_hold = 0;
uint16_t m_kb_prot_hilo = 0;
uint16_t m_kb_prot_hilo_select = 0;
int m_kb_cmd = 0;
int m_kb_reg = 0;
int m_kb_ptr = 0;
uint8_t m_kb_swap = 0;
void killbld_protection_calculate_hilo();
void killbld_protection_calculate_hold(int y, int z);
void no_callback_setup(void);
uint16_t m_olds_bs = 0;
uint16_t m_kb_cmd3 = 0;
};
DECLARE_DEVICE_TYPE(IGS025, igs025_device)
#endif // MAME_MACHINE_IGS025_H
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