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Diffstat (limited to 'src/mess/machine/abc99.h')
-rw-r--r-- | src/mess/machine/abc99.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/mess/machine/abc99.h b/src/mess/machine/abc99.h new file mode 100644 index 00000000000..3dc8f687418 --- /dev/null +++ b/src/mess/machine/abc99.h @@ -0,0 +1,130 @@ +/********************************************************************** + + Luxor ABC-99 keyboard and mouse emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +*********************************************************************/ + +#pragma once + +#ifndef __ABC99__ +#define __ABC99__ + +#include "emu.h" +#include "cpu/mcs48/mcs48.h" +#include "sound/speaker.h" + + + +//************************************************************************** +// MACROS / CONSTANTS +//************************************************************************** + +#define ABC99_TAG "abc99" + + + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_ABC99_ADD(_config) \ + MCFG_DEVICE_ADD(ABC99_TAG, ABC99, 0) \ + MCFG_DEVICE_CONFIG(_config) + + +#define ABC99_INTERFACE(_name) \ + const abc99_interface (_name) = + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> abc99_interface + +struct abc99_interface +{ + devcb_write_line m_out_clock_cb; + devcb_write_line m_out_keydown_cb; +}; + +// ======================> abc99_device + +class abc99_device : public device_t, + public abc99_interface +{ +public: + // construction/destruction + abc99_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + virtual ioport_constructor device_input_ports() const; + + DECLARE_INPUT_CHANGED_MEMBER( keyboard_reset ); + + DECLARE_WRITE8_MEMBER( z2_led_w ); + DECLARE_WRITE8_MEMBER( z2_p1_w ); + DECLARE_READ8_MEMBER( z2_p2_r ); + DECLARE_READ8_MEMBER( z2_t0_r ); + DECLARE_READ8_MEMBER( z2_t1_r ); + DECLARE_READ8_MEMBER( z5_p1_r ); + DECLARE_WRITE8_MEMBER( z5_p2_w ); + DECLARE_WRITE8_MEMBER( z5_t0_w ); + DECLARE_READ8_MEMBER( z5_t1_r ); + + DECLARE_WRITE_LINE_MEMBER( rxd_w ); + DECLARE_READ_LINE_MEMBER( txd_r ); + DECLARE_WRITE_LINE_MEMBER( reset_w ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + virtual void device_config_complete(); + +private: + static const device_timer_id TIMER_SERIAL = 0; + static const device_timer_id TIMER_MOUSE = 1; + + inline void serial_input(); + inline void serial_output(); + inline void serial_clock(); + inline void key_down(int state); + inline void scan_mouse(); + + devcb_resolved_write_line m_out_clock_func; + devcb_resolved_write_line m_out_keydown_func; + + emu_timer *m_serial_timer; + emu_timer *m_mouse_timer; + + required_device<cpu_device> m_maincpu; + required_device<cpu_device> m_mousecpu; + required_device<device_t> m_speaker; + + int m_si; + int m_si_en; + int m_so; + int m_so_z2; + int m_so_z5; + int m_keydown; + int m_t1_z2; + int m_t1_z5; + int m_led_en; + int m_reset; +}; + + +// device type definition +extern const device_type ABC99; + + + +#endif |