// 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; //------------------------------------------------- // 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; }