diff options
Diffstat (limited to 'src/mame/machine/pc80s31k.h')
-rw-r--r-- | src/mame/machine/pc80s31k.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/mame/machine/pc80s31k.h b/src/mame/machine/pc80s31k.h new file mode 100644 index 00000000000..a1f9209e75e --- /dev/null +++ b/src/mame/machine/pc80s31k.h @@ -0,0 +1,86 @@ +// license:BSD-3-Clause +// copyright-holders:Angelo Salese +/*************************************************************************** + +NEC PC-80S31K + +***************************************************************************/ + +#ifndef MAME_MACHINE_PC80S31K_H +#define MAME_MACHINE_PC80S31K_H + +#pragma once + +#include "cpu/z80/z80.h" +#include "imagedev/floppy.h" +#include "machine/gen_latch.h" +#include "machine/i8255.h" +#include "machine/upd765.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class pc80s31_device : public device_t +{ +public: + // construction/destruction + pc80s31_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + void host_map(address_map &map); + +protected: + pc80s31_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + // device-level overrides + //virtual void device_validity_check(validity_checker &valid) const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + virtual void device_reset() override; + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + + virtual void fdc_io(address_map &map); + + required_device<upd765a_device> m_fdc; + required_device_array<floppy_connector, 2> m_floppy; + u8 m_irq_vector; + +private: + required_device<z80_device> m_fdc_cpu; + required_memory_region m_fdc_rom; + required_device<i8255_device> m_ppi_host; + required_device<i8255_device> m_ppi_fdc; + required_device_array<generic_latch_8_device, 6> m_latch; + + void fdc_map(address_map &map); + + template <unsigned N> u8 latch_r(); + template <unsigned N> void latch_w(u8 data); + + u8 terminal_count_r(address_space &space); + void motor_control_w(u8 data); + + emu_timer *m_tc_zero_timer; + + IRQ_CALLBACK_MEMBER(irq_cb); +}; + +class pc80s31k_device : public pc80s31_device +{ +public: + pc80s31k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void fdc_io(address_map &map) override; + +private: + void drive_mode_w(u8 data); +}; + +// device type definition +DECLARE_DEVICE_TYPE(PC80S31, pc80s31_device) +DECLARE_DEVICE_TYPE(PC80S31K, pc80s31k_device) + +#endif // MAME_MACHINE_PC80S31K_H |