// license:BSD-3-Clause // copyright-holders:smf /*************************************************************************** vt83c461.h VIA VT83C461 (IDE Hard Drive controller). ***************************************************************************/ #ifndef MAME_MACHINE_VT83C461_H #define MAME_MACHINE_VT83C461_H #pragma once #include "idectrl.h" /*************************************************************************** DEVICE CONFIGURATION MACROS ***************************************************************************/ #define MCFG_VT83C461_ADD(_tag, _slot_intf, _master, _slave, _fixed) \ MCFG_DEVICE_ADD(_tag, VT83C461, 0) \ MCFG_DEVICE_MODIFY(_tag ":0") \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _master, _fixed) \ MCFG_DEVICE_MODIFY(_tag ":1") \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _slave, _fixed) \ MCFG_DEVICE_MODIFY(_tag) class vt83c461_device : public ide_controller_32_device { public: vt83c461_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); uint32_t read_config(offs_t offset); void write_config(offs_t offset, uint32_t data); DECLARE_READ32_MEMBER(config_r) { return read_config(offset); } DECLARE_WRITE32_MEMBER(config_w) { write_config(offset, data); } protected: virtual void device_start() override; private: static constexpr unsigned IDE_CONFIG_REGISTERS= 0x10; uint8_t m_config_unknown; uint8_t m_config_register[IDE_CONFIG_REGISTERS]; uint8_t m_config_register_num; }; DECLARE_DEVICE_TYPE(VT83C461, vt83c461_device) #endif // MAME_MACHINE_VT83C461_H