// license:BSD-3-Clause // copyright-holders: Samuele Zannoli /*************************************************************************** fdc37c93x.h SMSC FDC37C93x Plug and Play Compatible Ultra I/O Controller ***************************************************************************/ #ifndef MAME_MACHINE_FDC37C93X_H #define MAME_MACHINE_FDC37C93X_H #pragma once #include "machine/8042kbdc.h" // floppy disk controller #include "machine/upd765.h" #include "formats/pc_dsk.h" #include "formats/naslite_dsk.h" // parallel port #include "machine/pc_lpt.h" // make sure that pckeybrd.cpp 8042kbdc.cpp are present in project class fdc37c93x_device : public device_t, public device_isa16_card_interface { public: fdc37c93x_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); ~fdc37c93x_device() {} static void static_set_sysopt_pin(device_t &device, int value) { dynamic_cast(device).sysopt_pin = value; } // optional information overrides virtual void device_add_mconfig(machine_config &config) override; template devcb_base &set_gp20_reset_callback(Object &&cb) { return m_gp20_reset_callback.set_callback(std::forward(cb)); } template devcb_base &set_gp25_gatea20_callback(Object &&cb) { return m_gp25_gatea20_callback.set_callback(std::forward(cb)); } template devcb_base &set_irq1_callback(Object &&cb) { return m_irq1_callback.set_callback(std::forward(cb)); } template devcb_base &set_irq8_callback(Object &&cb) { return m_irq8_callback.set_callback(std::forward(cb)); } template devcb_base &set_irq9_callback(Object &&cb) { return m_irq9_callback.set_callback(std::forward(cb)); } void remap(int space_id, offs_t start, offs_t end) override; // to access io ports DECLARE_READ8_MEMBER(read_fdc37c93x); DECLARE_WRITE8_MEMBER(write_fdc37c93x); // for the internal floppy controller DECLARE_WRITE_LINE_MEMBER(irq_floppy_w); DECLARE_WRITE_LINE_MEMBER(drq_floppy_w); // for the internal parallel port DECLARE_WRITE_LINE_MEMBER(irq_parallel_w); // rtc DECLARE_WRITE_LINE_MEMBER(irq_rtc_w); // keyboard DECLARE_WRITE_LINE_MEMBER(irq_keyboard_w); DECLARE_WRITE_LINE_MEMBER(kbdp21_gp25_gatea20_w); DECLARE_WRITE_LINE_MEMBER(kbdp20_gp20_reset_w); void unmap_fdc(address_map &map); void map_lpt(address_map &map); void unmap_lpt(address_map &map); void map_rtc(address_map &map); void unmap_rtc(address_map &map); void map_keyboard(address_map &map); void unmap_keyboard(address_map &map); DECLARE_READ8_MEMBER(disabled_read); DECLARE_WRITE8_MEMBER(disabled_write); DECLARE_READ8_MEMBER(lpt_read); DECLARE_WRITE8_MEMBER(lpt_write); DECLARE_READ8_MEMBER(rtc_read); DECLARE_WRITE8_MEMBER(rtc_write); DECLARE_READ8_MEMBER(at_keybc_r); DECLARE_WRITE8_MEMBER(at_keybc_w); DECLARE_READ8_MEMBER(keybc_status_r); DECLARE_WRITE8_MEMBER(keybc_command_w); DECLARE_FLOPPY_FORMATS(floppy_formats); protected: // device-level overrides virtual void device_start() override; virtual void device_reset() override; virtual uint8_t dack_r(int line) override; virtual void dack_w(int line, uint8_t data) override; virtual void eop_w(int state) override; private: // put your private members here enum OperatingMode { Run = 0, Configuration = 1 } mode; enum LogicalDevice { FDC = 0, IDE1, IDE2, Parallel, Serial1, Serial2, RTC, Keyboard, AuxIO }; int config_key_step; int config_index; int logical_device; int last_dma_line; uint8_t global_configuration_registers[0x30]; uint8_t configuration_registers[9][0x100]; devcb_write_line m_gp20_reset_callback; devcb_write_line m_gp25_gatea20_callback; devcb_write_line m_irq1_callback; devcb_write_line m_irq8_callback; devcb_write_line m_irq9_callback; required_device floppy_controller_fdcdev; required_device pc_lpt_lptdev; required_device ds12885_rtcdev; required_device m_kbdc; int sysopt_pin; bool enabled_logical[9]; int dreq_mapping[4]; void request_irq(int irq, int state); void request_dma(int dreq, int state); uint16_t get_base_address(int logical, int index); void update_dreq_mapping(int dreq, int logical); void map_fdc_addresses(); void unmap_fdc_addresses(); void map_lpt_addresses(); void unmap_lpt_addresses(); void map_rtc_addresses(); void unmap_rtc_addresses(); void map_keyboard_addresses(); void unmap_keyboard_addresses(); void write_global_configuration_register(int index, int data); void write_logical_configuration_register(int index, int data); void write_fdd_configuration_register(int index, int data); void write_ide1_configuration_register(int index, int data) {} void write_ide2_configuration_register(int index, int data) {} void write_parallel_configuration_register(int index, int data); void write_serial1_configuration_register(int index, int data) {} void write_serial2_configuration_register(int index, int data) {} void write_rtc_configuration_register(int index, int data); void write_keyboard_configuration_register(int index, int data); void write_auxio_configuration_register(int index, int data); uint16_t read_global_configuration_register(int index); uint16_t read_logical_configuration_register(int index); uint16_t read_fdd_configuration_register(int index) { return 0; } uint16_t read_ide1_configuration_register(int index) { return 0; } uint16_t read_ide2_configuration_register(int index) { return 0; } uint16_t read_parallel_configuration_register(int index) { return 0; } uint16_t read_serial1_configuration_register(int index) { return 0; } uint16_t read_serial2_configuration_register(int index) { return 0; } uint16_t read_rtc_configuration_register(int index); uint16_t read_keyboard_configuration_register(int index); uint16_t read_auxio_configuration_register(int index); }; DECLARE_DEVICE_TYPE(FDC37C93X, fdc37c93x_device); #define MCFG_FDC37C93X_ADD(_tag) \ MCFG_DEVICE_ADD(_tag, FDC37C93X, 0) #define MCFG_FDC37C93X_SYSOPT(_pinvalue) \ fdc37c93x_device::static_set_sysopt_pin(*device, _pinvalue); #define MCFG_FDC37C93X_GP20_RESET_CB(_devcb) \ downcast(*device).set_gp20_reset_callback(DEVCB_##_devcb); #define MCFG_FDC37C93X_GP25_GATEA20_CB(_devcb) \ downcast(*device).set_gp25_gatea20_callback(DEVCB_##_devcb); #define MCFG_FDC37C93X_IRQ1_CB(_devcb) \ downcast(*device).set_irq1_callback(DEVCB_##_devcb); #define MCFG_FDC37C93X_IRQ8_CB(_devcb) \ downcast(*device).set_irq8_callback(DEVCB_##_devcb); #define MCFG_FDC37C93X_IRQ9_CB(_devcb) \ downcast(*device).set_irq9_callback(DEVCB_##_devcb); #endif // MAME_MACHINE_FDC37C93X_H