// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Victor 9000 keyboard emulation
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
*********************************************************************/
#include "victor9kb.h"
//**************************************************************************
// MACROS / CONSTANTS
//**************************************************************************
#define I8021_TAG "z3"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type VICTOR9K_KEYBOARD = &device_creator<victor9k_keyboard_device>;
//-------------------------------------------------
// ROM( victor9k_keyboard )
//-------------------------------------------------
ROM_START( victor9k_keyboard )
ROM_REGION( 0x400, I8021_TAG, 0)
ROM_LOAD( "20-8021-139.z3", 0x000, 0x400, CRC(0fe9d53d) SHA1(61d92ba90f98f8978bbd9303c1ac3134cde8cdcb) )
ROM_END
//-------------------------------------------------
// rom_region - device-specific ROM region
//-------------------------------------------------
const rom_entry *victor9k_keyboard_device::device_rom_region() const
{
return ROM_NAME( victor9k_keyboard );
}
//-------------------------------------------------
// ADDRESS_MAP( kb_io )
//-------------------------------------------------
static ADDRESS_MAP_START( victor9k_keyboard_io, AS_IO, 8, victor9k_keyboard_device )
AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(kb_p1_r, kb_p1_w)
AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_WRITE(kb_p2_w)
AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READ(kb_t1_r)
ADDRESS_MAP_END
//-------------------------------------------------
// MACHINE_DRIVER( victor9k_keyboard )
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( victor9k_keyboard )
MCFG_CPU_ADD(I8021_TAG, I8021, XTAL_3_579545MHz)
MCFG_CPU_IO_MAP(victor9k_keyboard_io)
MACHINE_CONFIG_END
//-------------------------------------------------
// machine_config_additions - device-specific
// machine configurations
//-------------------------------------------------
machine_config_constructor victor9k_keyboard_device::device_mconfig_additions() const
{
return MACHINE_CONFIG_NAME( victor9k_keyboard );
}
//-------------------------------------------------
// INPUT_PORTS( victor9k_keyboard )
//-------------------------------------------------
INPUT_PORTS_START( victor9k_keyboard )
PORT_START("Y0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y1")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y2")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y3")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y4")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y5")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y6")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y7")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y8")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("Y9")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("YA")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("YB")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_START("YC")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD )
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor victor9k_keyboard_device::device_input_ports() const
{
return INPUT_PORTS_NAME( victor9k_keyboard );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// victor9k_keyboard_device - constructor
//-------------------------------------------------
victor9k_keyboard_device::victor9k_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, VICTOR9K_KEYBOARD, "Victor 9000 Keyboard", tag, owner, clock, "victor9kb", __FILE__),
m_maincpu(*this, I8021_TAG),
m_y0(*this, "Y0"),
m_y1(*this, "Y1"),
m_y2(*this, "Y2"),
m_y3(*this, "Y3"),
m_y4(*this, "Y4"),
m_y5(*this, "Y5"),
m_y6(*this, "Y6"),
m_y7(*this, "Y7"),
m_y8(*this, "Y8"),
m_y9(*this, "Y9"),
m_ya(*this, "YA"),
m_yb(*this, "YB"),
m_yc(*this, "YC"),
m_kbrdy_handler(*this),
m_kbdata_handler(*this),
m_y(0),
m_kbrdy(1),
m_kbdata(1),
m_kback(1)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void victor9k_keyboard_device::device_start()
{
// resolve callbacks
m_kbrdy_handler.resolve_safe();
m_kbdata_handler.resolve_safe();
// state saving
save_item(NAME(m_y));
save_item(NAME(m_kbrdy));
save_item(NAME(m_kbdata));
save_item(NAME(m_kback));
}
//-------------------------------------------------
// device_reset - device-specific reset
//-------------------------------------------------
void victor9k_keyboard_device::device_reset()
{
}
//-------------------------------------------------
// kbrdy_r -
//-------------------------------------------------
READ_LINE_MEMBER( victor9k_keyboard_device::kbrdy_r )
{
return m_kbrdy;
}
//-------------------------------------------------
// kback_w -
//-------------------------------------------------
WRITE_LINE_MEMBER( victor9k_keyboard_device::kback_w )
{
m_kback = state;
}
//-------------------------------------------------
// kbdata_r -
//-------------------------------------------------
READ_LINE_MEMBER( victor9k_keyboard_device::kbdata_r )
{
return m_kbdata;
}
//-------------------------------------------------
// kb_p1_r -
//-------------------------------------------------
READ8_MEMBER( victor9k_keyboard_device::kb_p1_r )
{
UINT8 data = 0xff;
switch (m_y)
{
case 0: data &= m_y0->read(); break;
case 1: data &= m_y1->read(); break;
case 2: data &= m_y2->read(); break;
case 3: data &= m_y3->read(); break;
case 4: data &= m_y4->read(); break;
case 5: data &= m_y5->read(); break;
case 6: data &= m_y6->read(); break;
case 7: data &= m_y7->read(); break;
case 8: data &= m_y8->read(); break;
case 9: data &= m_y9->read(); break;
case 0xa: data &= m_ya->read(); break;
case 0xb: data &= m_yb->read(); break;
case 0xc: data &= m_yc->read(); break;
}
return data;
}
//-------------------------------------------------
// kb_p1_w -
//-------------------------------------------------
WRITE8_MEMBER( victor9k_keyboard_device::kb_p1_w )
{
if ((data & 0xf0) == 0x20)
{
m_y = data & 0x0f;
}
logerror("P1 %02x\n", data);
}
//-------------------------------------------------
// kb_p2_w -
//-------------------------------------------------
WRITE8_MEMBER( victor9k_keyboard_device::kb_p2_w )
{
/*
bit description
P20 keylatch enable ?
P21
P22 key available ?
P23 data ?
*/
int kbrdy = BIT(data, 2);
if (m_kbrdy != kbrdy)
{
m_kbrdy = kbrdy;
m_kbrdy_handler(m_kbrdy);
}
int kbdata = BIT(data, 3);
if (m_kbdata != kbdata)
{
m_kbdata = kbdata;
m_kbdata_handler(m_kbdata);
}
logerror("P2 %01x\n", data & 0x0f);
}
//-------------------------------------------------
// kb_t1_r -
//-------------------------------------------------
READ8_MEMBER( victor9k_keyboard_device::kb_t1_r )
{
logerror("read T1 %u\n", m_kback);
return m_kback;
}