diff options
Diffstat (limited to 'src/devices/bus/pc_kbd/pc83.h')
-rw-r--r-- | src/devices/bus/pc_kbd/pc83.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/devices/bus/pc_kbd/pc83.h b/src/devices/bus/pc_kbd/pc83.h new file mode 100644 index 00000000000..5ee259253ff --- /dev/null +++ b/src/devices/bus/pc_kbd/pc83.h @@ -0,0 +1,89 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + IBM 5150 83-key keyboard emulation + +*********************************************************************/ + +#pragma once + +#ifndef __PC_KBD_IBM_PC_83__ +#define __PC_KBD_IBM_PC_83__ + +#include "emu.h" +#include "cpu/mcs48/mcs48.h" +#include "pc_kbdc.h" +#include "machine/rescap.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> ibm_pc_83_keyboard_device + +class ibm_pc_83_keyboard_device : public device_t, + public device_pc_kbd_interface +{ +public: + // construction/destruction + ibm_pc_83_keyboard_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_WRITE8_MEMBER( bus_w ); + DECLARE_READ8_MEMBER( p1_r ); + DECLARE_WRITE8_MEMBER( p2_w ); + DECLARE_READ8_MEMBER( t1_r ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // device_pc_kbd_interface overrides + virtual DECLARE_WRITE_LINE_MEMBER( clock_write ) { }; + virtual DECLARE_WRITE_LINE_MEMBER( data_write ) { }; + +private: + required_device<cpu_device> m_maincpu; + required_ioport m_dr00; + required_ioport m_dr01; + required_ioport m_dr02; + required_ioport m_dr03; + required_ioport m_dr04; + required_ioport m_dr05; + required_ioport m_dr06; + required_ioport m_dr07; + required_ioport m_dr08; + required_ioport m_dr09; + required_ioport m_dr10; + required_ioport m_dr11; + required_ioport m_dr12; + required_ioport m_dr13; + required_ioport m_dr14; + required_ioport m_dr15; + required_ioport m_dr16; + required_ioport m_dr17; + required_ioport m_dr18; + required_ioport m_dr19; + required_ioport m_dr20; + required_ioport m_dr21; + required_ioport m_dr22; + required_ioport m_dr23; + + UINT8 m_cnt; +}; + + +// device type definition +extern const device_type PC_KBD_IBM_PC_83; + + + +#endif |