// license:BSD-3-Clause // copyright-holders:Olivier Galibert // Intel i82439hx northbridge (440hx) #ifndef MAME_MACHINE_I82439TX_H #define MAME_MACHINE_I82439TX_H #pragma once #include "pci.h" class i82439tx_host_device : public pci_host_device { public: template i82439tx_host_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&cpu_tag, int ram_size) : i82439tx_host_device(mconfig, tag, owner, clock) { set_ids_host(0x80867100, 0x03, 0x00000000); set_cpu_tag(std::forward(cpu_tag)); set_ram_size(ram_size); } i82439tx_host_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); template void set_cpu_tag(T &&tag) { cpu.set_tag(std::forward(tag)); } void set_ram_size(int ram_size); protected: virtual void device_start() override; virtual void device_reset() override; virtual void reset_all_mappings() override; 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 config_map(address_map &map) override; private: int ram_size; required_device cpu; std::vector ram; uint8_t pcon, cc, dramec, dramc, dramt; uint8_t pam[7], drb[8]; uint8_t drt, drat, smram, errcmd, errsts, errsyn; uint8_t pcon_r(); void pcon_w(uint8_t data); uint8_t cc_r(); void cc_w(uint8_t data); uint8_t dramec_r(); void dramec_w(uint8_t data); uint8_t dramc_r(); void dramc_w(uint8_t data); uint8_t dramt_r(); void dramt_w(uint8_t data); uint8_t pam_r(offs_t offset); void pam_w(offs_t offset, uint8_t data); uint8_t drb_r(offs_t offset); void drb_w(offs_t offset, uint8_t data); uint8_t drt_r(); void drt_w(uint8_t data); uint8_t drat_r(); void drat_w(uint8_t data); uint8_t smram_r(); void smram_w(uint8_t data); uint8_t errcmd_r(); void errcmd_w(uint8_t data); uint8_t errsts_r(); void errsts_w(uint8_t data); uint8_t errsyn_r(); }; DECLARE_DEVICE_TYPE(I82439TX, i82439tx_host_device) #endif // MAME_MACHINE_I82439TX_H