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// license:BSD-3-Clause
// copyright-holders:David Haywood, ElSemi
/* Common device stuff for IGS025 / IGS022, should be split into devices for each chip once we know where what part does what */
#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;
#define MCFG_IGS025_SET_EXTERNAL_EXECUTE( _class, _method) \
downcast<igs025_device &>(*device).set_external_cb(igs025_execute_external(&_class::_method, #_class "::" #_method, nullptr, (_class *)nullptr));
class igs025_device : public device_t
{
public:
igs025_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
DECLARE_READ16_MEMBER( killbld_igs025_prot_r );
// use setters instead of making public?
const uint8_t (*m_kb_source_data)[0xec];
uint32_t m_kb_game_id;
uint32_t m_kb_region;
template <typename Object> void set_external_cb(Object &&newcb) { m_execute_external = std::forward<Object>(newcb); }
DECLARE_WRITE16_MEMBER( olds_w );
DECLARE_WRITE16_MEMBER( drgw2_d80000_protection_w );
DECLARE_WRITE16_MEMBER( killbld_igs025_prot_w);
protected:
virtual void device_start() override;
virtual void device_reset() override;
igs025_execute_external m_execute_external;
uint16_t m_kb_prot_hold;
uint16_t m_kb_prot_hilo;
uint16_t m_kb_prot_hilo_select;
int m_kb_cmd;
int m_kb_reg;
int m_kb_ptr;
uint8_t m_kb_swap;
void killbld_protection_calculate_hilo();
void killbld_protection_calculate_hold(int y, int z);
void no_callback_setup(void);
uint16_t m_olds_bs;
uint16_t m_kb_cmd3;
};
DECLARE_DEVICE_TYPE(IGS025, igs025_device)
#endif // MAME_MACHINE_IGS025_H
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