// license:BSD-3-Clause // copyright-holders:David Haywood #ifndef MAME_MACHINE_ELAN_EU3A05COMMONSYS_H #define MAME_MACHINE_ELAN_EU3A05COMMONSYS_H #include "cpu/m6502/m6502.h" #include "machine/bankdev.h" class elan_eu3a05commonsys_device : public device_t { public: elan_eu3a05commonsys_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); elan_eu3a05commonsys_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); template void set_cpu(T &&tag) { m_cpu.set_tag(std::forward(tag)); } template void set_addrbank(T &&tag) { m_bank.set_tag(std::forward(tag)); } void set_pal(void) { m_is_pal = true; } void disable_timer_irq(void) { m_allow_timer_irq = false; } void generate_custom_interrupt(int level); virtual void map(address_map& map); uint8_t nmi_vector_r(offs_t offset); uint8_t irq_vector_r(offs_t offset); void set_alt_timer() { m_whichtimer = 1; } protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; required_device m_cpu; required_device m_bank; uint8_t m_intmask[2]; int m_custom_irq; int m_custom_nmi; uint16_t m_custom_irq_vector; uint16_t m_custom_nmi_vector; uint8_t m_rombank_hi; uint8_t m_rombank_lo; bool m_is_pal; // this is usually a jumper connected to the chip that the software can read (clocks also differ on PAL units) bool m_allow_timer_irq; private: uint8_t intmask_r(offs_t offset); void intmask_w(offs_t offset, uint8_t data); void elan_eu3a05_rombank_w(offs_t offset, uint8_t data); uint8_t elan_eu3a05_rombank_r(offs_t offset); uint8_t elan_eu3a05_5003_r(); uint8_t elan_eu3a05_pal_ntsc_r(); void elan_eu3a05_500b_unk_w(uint8_t data); uint8_t radica_5009_unk_r() { return machine().rand(); }; emu_timer *m_unk_timer; static const device_timer_id TIMER_UNK = 0; int m_whichtimer; }; DECLARE_DEVICE_TYPE(ELAN_EU3A05_COMMONSYS, elan_eu3a05commonsys_device) #endif // MAME_MACHINE_ELAN_EU3A05COMMONSYS_H