diff options
Diffstat (limited to 'src/devices/bus/amiga/keyboard/a2000.h')
-rw-r--r-- | src/devices/bus/amiga/keyboard/a2000.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/devices/bus/amiga/keyboard/a2000.h b/src/devices/bus/amiga/keyboard/a2000.h new file mode 100644 index 00000000000..65611b956c5 --- /dev/null +++ b/src/devices/bus/amiga/keyboard/a2000.h @@ -0,0 +1,89 @@ +// license:BSD-3-Clause +// copyright-holders:Vas Crabb +/*************************************************************************** + + Amiga 2000 Keyboard + + ***************************************************************************/ + +#ifndef MAME_BUS_AMIGA_KEYBOARD_A2000_H +#define MAME_BUS_AMIGA_KEYBOARD_A2000_H + +#pragma once + +#include "keyboard.h" + + +namespace bus { namespace amiga { namespace keyboard { + +//************************************************************************** +// TYPE DECLARATIONS +//************************************************************************** + +// ======================> a2000_kbd_device + +class a2000_kbd_device : public device_t, public device_amiga_keyboard_interface +{ +public: + // from host + virtual DECLARE_WRITE_LINE_MEMBER(kdat_w) override; + +protected: + // construction/destruction + a2000_kbd_device(machine_config const &mconfig, device_type type, char const *tag, device_t *owner, uint32_t clock); + + // MCU I/O + DECLARE_READ8_MEMBER(mcu_bus_r); + DECLARE_WRITE8_MEMBER(mcu_p1_w); + DECLARE_WRITE8_MEMBER(mcu_p2_w); + + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + + virtual void device_start() override; + virtual void device_reset() override; + + void program_map(address_map &map); + void ext_map(address_map &map); + +private: + required_ioport_array<13> m_rows; + required_device<cpu_device> m_mcu; + + uint16_t m_row_drive; + bool m_host_kdat, m_mcu_kdat, m_mcu_kclk; +}; + +// ======================> a2000_kbd_us_device + +class a2000_kbd_us_device : public a2000_kbd_device +{ +public: + a2000_kbd_us_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock); + +protected: + virtual ioport_constructor device_input_ports() const override; +}; + +// ======================> a2000_kbd_gb_device + +class a2000_kbd_gb_device : public a2000_kbd_device +{ +public: + a2000_kbd_gb_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock); + +protected: + virtual ioport_constructor device_input_ports() const override; +}; + +} } } // namespace bus::amiga::keyboard + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +DECLARE_DEVICE_TYPE_NS(A2000_KBD_US, bus::amiga::keyboard, a2000_kbd_us_device) +DECLARE_DEVICE_TYPE_NS(A2000_KBD_GB, bus::amiga::keyboard, a2000_kbd_gb_device) + +#endif // MAME_BUS_AMIGA_KEYBOARD_A2000_H |