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Diffstat (limited to 'src/devices/machine/it8705f.h')
-rw-r--r-- | src/devices/machine/it8705f.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/devices/machine/it8705f.h b/src/devices/machine/it8705f.h new file mode 100644 index 00000000000..b5f9ec26291 --- /dev/null +++ b/src/devices/machine/it8705f.h @@ -0,0 +1,131 @@ +// license:BSD-3-Clause +// copyright-holders: Angelo Salese + +#ifndef MAME_MACHINE_IT8705F_H +#define MAME_MACHINE_IT8705F_H + +#pragma once + +#include "bus/isa/isa.h" +#include "imagedev/floppy.h" +#include "machine/8042kbdc.h" +#include "machine/ds128x.h" +#include "machine/ins8250.h" +#include "machine/pc_lpt.h" +#include "machine/upd765.h" + +class it8705f_device : public device_t, + public device_isa16_card_interface, + public device_memory_interface +{ +public: + it8705f_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + virtual ~it8705f_device(); + + void remap(int space_id, offs_t start, offs_t end) override; + + auto irq1() { return m_irq1_callback.bind(); } + auto irq8() { return m_irq8_callback.bind(); } + auto irq9() { return m_irq9_callback.bind(); } + auto txd1() { return m_txd1_callback.bind(); } + auto ndtr1() { return m_ndtr1_callback.bind(); } + auto nrts1() { return m_nrts1_callback.bind(); } + auto txd2() { return m_txd2_callback.bind(); } + auto ndtr2() { return m_ndtr2_callback.bind(); } + auto nrts2() { return m_nrts2_callback.bind(); } + + void rxd1_w(int state); + void ndcd1_w(int state); + void ndsr1_w(int state); + void nri1_w(int state); + void ncts1_w(int state); + void rxd2_w(int state); + void ndcd2_w(int state); + void ndsr2_w(int state); + void nri2_w(int state); + void ncts2_w(int state); + + static void floppy_formats(format_registration &fr); + +protected: + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + + virtual space_config_vector memory_space_config() const override; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + +private: + const address_space_config m_space_config; + + required_device<n82077aa_device> m_pc_fdc; + required_device_array<ns16550_device, 2> m_pc_com; + required_device<pc_lpt_device> m_pc_lpt; + memory_view m_logical_view; + + devcb_write_line m_irq1_callback; + devcb_write_line m_irq8_callback; + devcb_write_line m_irq9_callback; + devcb_write_line m_txd1_callback; + devcb_write_line m_ndtr1_callback; + devcb_write_line m_nrts1_callback; + devcb_write_line m_txd2_callback; + devcb_write_line m_ndtr2_callback; + devcb_write_line m_nrts2_callback; + + u8 m_index = 0; + u8 m_logical_index = 0; + bool m_activate[9]{}; + + u8 m_lock_sequence_index = 0; + + uint8_t read(offs_t offset); + void write(offs_t offset, u8 data); + + void config_map(address_map &map) ATTR_COLD; + + void logical_device_select_w(offs_t offset, u8 data); + template <unsigned N> u8 activate_r(offs_t offset); + template <unsigned N> void activate_w(offs_t offset, u8 data); + + void request_irq(int irq, int state); + void request_dma(int dreq, int state); + + u8 m_pc_fdc_irq_line = 6; + u8 m_pc_fdc_drq_line = 2; +// u8 m_pc_fdc_mode; + u16 m_pc_fdc_address = 0x3f0; + + void irq_floppy_w(int state); + void drq_floppy_w(int state); + + u8 m_pc_lpt_irq_line = 7; + u8 m_pc_lpt_drq_line = 4; +// u8 m_pc_lpt_mode; + u16 m_pc_lpt_address = 0x378; + + void irq_parallel_w(int state); + + u16 m_pc_com_address[2]{}; + u8 m_pc_com_irq_line[2]{}; + u8 m_pc_com_control[2]{}; + + void irq_serial1_w(int state); + void txd_serial1_w(int state); + void dtr_serial1_w(int state); + void rts_serial1_w(int state); + void irq_serial2_w(int state); + void txd_serial2_w(int state); + void dtr_serial2_w(int state); + void rts_serial2_w(int state); + + template <unsigned N> u8 uart_address_r(offs_t offset); + template <unsigned N> void uart_address_w(offs_t offset, u8 data); + template <unsigned N> u8 uart_irq_r(offs_t offset); + template <unsigned N> void uart_irq_w(offs_t offset, u8 data); + template <unsigned N> u8 uart_config_r(offs_t offset); + template <unsigned N> void uart_config_w(offs_t offset, u8 data); +}; + +DECLARE_DEVICE_TYPE(IT8705F, it8705f_device); + +#endif // MAME_MACHINE_IT8705F_H |