// license:BSD-3-Clause // copyright-holders:Miodrag Milanovic /*************************************************************************** Intel 82439TX System Controller (MTXC) Part of the Intel 430TX chipset ***************************************************************************/ #ifndef __I82439TX_H__ #define __I82439TX_H__ #include "pci.h" #include "northbridge.h" #define MCFG_I82439TX_CPU( _tag ) \ i82439tx_device::static_set_cpu(*device, _tag); #define MCFG_I82439TX_REGION( _tag ) \ i82439tx_device::static_set_region(*device, _tag); // ======================> i82439tx_device class i82439tx_device : public northbridge_device, public pci_device_interface { public: // construction/destruction i82439tx_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); static void static_set_cpu(device_t &device, const char *tag) { dynamic_cast(device).m_cpu_tag = tag; } static void static_set_region(device_t &device, const char *tag) { dynamic_cast(device).m_region_tag = tag; } virtual UINT32 pci_read(pci_bus_device *pcibus, int function, int offset, UINT32 mem_mask) override; virtual void pci_write(pci_bus_device *pcibus, int function, int offset, UINT32 data, UINT32 mem_mask) override; protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; void i82439tx_configure_memory(UINT8 val, offs_t begin, offs_t end); private: const char *m_cpu_tag; const char *m_region_tag; address_space *m_space; UINT8 *m_rom; UINT32 m_regs[8]; UINT32 m_bios_ram[0x40000 / 4]; }; // device type definition extern const device_type I82439TX; #endif /* __I82439TX_H__ */