// license:BSD-3-Clause // copyright-holders:Devin Acker /*************************************************************************** gew12.h Yamaha GEW12 (65c02-based) ***************************************************************************/ #ifndef MAME_CPU_M6502_GEW12_H #define MAME_CPU_M6502_GEW12_H #include "m6502mcu.h" #include "w65c02.h" class gew12_device : public m6502_mcu_device_base, public device_mixer_interface { public: gew12_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template auto port_in_cb() { return m_in_cb[Num].bind(); } template auto port_out_cb() { return m_out_cb[Num].bind(); } protected: virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; virtual void device_start() override ATTR_COLD; virtual void device_reset() override ATTR_COLD; virtual void internal_update(u64 current_time) override; using m6502_mcu_device_base::internal_update; enum { INTERNAL_IRQ_TIMER0, INTERNAL_IRQ_TIMER1, INTERNAL_IRQ_MIDI_TX, INTERNAL_IRQ_MIDI_RX }; u8 irq_stat_r(); void irq_en_w(u8 data); void timer_stat_w(u8 data); u8 timer_count_r(offs_t offset); void timer_count_w(offs_t offset, u8 data); u64 timer_update(int num, u64 current_time); u8 port_r(offs_t offset); void port_w(offs_t offset, u8 data); u8 port_ddr_r(offs_t offset); void port_ddr_w(offs_t offset, u8 data); template void internal_irq(int state) { internal_irq(Num, state); } void internal_irq(int num, int state); void irq_update(); void internal_map(address_map &map) ATTR_COLD; u8 m_irq_pending, m_irq_enable; u16 m_timer_count[2]; u64 m_timer_base[2]; devcb_read8::array<6> m_in_cb; devcb_write8::array<6> m_out_cb; u8 m_port_data[6]; u8 m_port_ddr[6]; required_memory_region m_rom; required_memory_bank_array<2> m_bank; u8 m_bank_mask; }; DECLARE_DEVICE_TYPE(GEW12, gew12_device) #endif // MAME_CPU_M6502_GEW12_H