// license: BSD-3-Clause // copyright-holders: Angelo Salese #ifndef MAME_MACHINE_I82371EB_ISA_H #define MAME_MACHINE_I82371EB_ISA_H #pragma once #include "machine/i82371sb.h" #include "machine/mc146818.h" class i82371eb_isa_device : public i82371sb_isa_device { public: template i82371eb_isa_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&cpu_tag, bool internal_rtc = false) : i82371eb_isa_device(mconfig, tag, owner, clock) { set_cpu_tag(std::forward(cpu_tag)); m_has_internal_rtc = internal_rtc; } auto a20m() { return m_a20m_callback.bind(); } void a20gate_w(int state); i82371eb_isa_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: virtual void device_start() override; virtual void device_reset() override; virtual void device_add_mconfig(machine_config & config) override; virtual void config_map(address_map &map) override ATTR_COLD; virtual void map_extra(uint64_t memory_window_start, uint64_t memory_window_end, uint64_t memory_offset, address_space *memory_space, uint64_t io_window_start, uint64_t io_window_end, uint64_t io_offset, address_space *io_space) override; virtual void internal_io_map(address_map &map) override ATTR_COLD; private: required_device m_rtc; devcb_write_line m_a20m_callback; u8 m_serirqc; u8 m_pdmacfg[2], m_pdma_ch[8]; u8 m_ddmabp[2]; u8 m_gencfg[4]; u8 m_rtccfg; u8 pdmacfg_r(offs_t offset); void pdmacfg_w(offs_t offset, u8 data); bool m_has_internal_rtc; u8 m_rtc_index; template u8 rtc_index_r(offs_t offset); template void rtc_index_w(offs_t offset, u8 data); template u8 rtc_data_r(offs_t offset); template void rtc_data_w(offs_t offset, u8 data); u8 port92_r(offs_t offset); void port92_w(offs_t offset, u8 data); void fast_gatea20(int state); int m_ext_gatea20, m_fast_gatea20; u8 m_port92; }; DECLARE_DEVICE_TYPE(I82371EB_ISA, i82371eb_isa_device) #endif // MAME_MACHINE_I82371EB_ISA_H