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-rw-r--r--src/mame/drivers/vidbrain.cpp467
1 files changed, 0 insertions, 467 deletions
diff --git a/src/mame/drivers/vidbrain.cpp b/src/mame/drivers/vidbrain.cpp
deleted file mode 100644
index 7aa51a7b7ed..00000000000
--- a/src/mame/drivers/vidbrain.cpp
+++ /dev/null
@@ -1,467 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/***************************************************************************
-
- VideoBrain FamilyComputer
-
- http://www.atariprotos.com/othersystems/videobrain/videobrain.htm
- http://www.seanriddle.com/vbinfo.html
- http://www.seanriddle.com/videobrain.html
- http://www.google.com/patents/US4232374
- http://www.google.com/patents/US4177462
- http://www.orphanedgames.com/videobrain/
- http://www.datalytixllc.com/videobrain/
- http://blog.kevtris.org/blogfiles/videobrain/videobrain_unwrapped.txt
-
-****************************************************************************/
-
-/*
-
- TODO:
-
- - wait states (UV201: 2.9us, memory except RES1: 1.65us)
- - interlaced video?
- - pinball background colors
- - Y-zoom starting on odd scanline only 1 line high
- - object height 0 glitch
- - object column 0xff glitch
- - video interrupts
- - R-2R ladder DAC
- - reset on cartridge unload
- - use machine/f3853.h
- - joystick scan timer 555
- - expander 1 (F3870 CPU, cassette, RS-232)
- - expander 2 (modem)
-
-*/
-
-#include "emu.h"
-#include "includes/vidbrain.h"
-
-#include "machine/rescap.h"
-#include "sound/volt_reg.h"
-#include "softlist.h"
-#include "speaker.h"
-
-#include "vidbrain.lh"
-
-
-
-//**************************************************************************
-// MACROS / CONSTANTS
-//**************************************************************************
-
-#define LOG 1
-
-
-
-//**************************************************************************
-// READ/WRITE HANDLERS
-//**************************************************************************
-
-//-------------------------------------------------
-// keyboard_w - keyboard column write
-//-------------------------------------------------
-
-WRITE8_MEMBER( vidbrain_state::keyboard_w )
-{
- /*
-
- bit description
-
- 0 keyboard column 0, sound data 0
- 1 keyboard column 1, sound data 1
- 2 keyboard column 2
- 3 keyboard column 3
- 4 keyboard column 4
- 5 keyboard column 5
- 6 keyboard column 6
- 7 keyboard column 7
-
- */
-
- if (LOG) logerror("Keyboard %02x\n", data);
-
- m_keylatch = data;
-}
-
-
-//-------------------------------------------------
-// keyboard_r - keyboard row read
-//-------------------------------------------------
-
-READ8_MEMBER( vidbrain_state::keyboard_r )
-{
- /*
-
- bit description
-
- 0 keyboard row 0, joystick 1 fire
- 1 keyboard row 1, joystick 2 fire
- 2 keyboard row 2, joystick 3 fire
- 3 keyboard row 3, joystick 4 fire
- 4
- 5
- 6
- 7
-
- */
-
- uint8_t data = m_joy_r->read();
-
- for (int i = 0; i < 8; i++)
- {
- if (BIT(m_keylatch, i)) data |= m_io[i]->read();
- }
-
- if (!m_uv->kbd_r()) data |= m_uv201_31->read();
-
- return data;
-}
-
-
-//-------------------------------------------------
-// sound_w - sound clock write
-//-------------------------------------------------
-
-WRITE8_MEMBER( vidbrain_state::sound_w )
-{
- /*
-
- bit description
-
- 0
- 1
- 2
- 3
- 4 sound clock
- 5 accessory jack pin 5
- 6 accessory jack pin 1
- 7 joystick enable
-
- */
-
- if (LOG) logerror("Sound %02x\n", data);
-
- // sound clock
- int sound_clk = BIT(data, 4);
-
- if (!m_sound_clk && sound_clk)
- {
- m_dac->write(m_keylatch & 3);
- }
-
- m_sound_clk = sound_clk;
-
- // joystick enable
- m_joy_enable = BIT(data, 7);
-}
-
-
-
-//**************************************************************************
-// ADDRESS MAPS
-//**************************************************************************
-
-//-------------------------------------------------
-// ADDRESS_MAP( vidbrain_mem )
-//-------------------------------------------------
-
-void vidbrain_state::vidbrain_mem(address_map &map)
-{
- map.global_mask(0x3fff);
- map(0x0000, 0x07ff).rom().region("res1", 0);
- map(0x0800, 0x08ff).mirror(0x2300).rw(m_uv, FUNC(uv201_device::read), FUNC(uv201_device::write));
- map(0x0c00, 0x0fff).mirror(0x2000).ram();
- map(0x1000, 0x17ff).rw(m_exp, FUNC(videobrain_expansion_slot_device::cs1_r), FUNC(videobrain_expansion_slot_device::cs1_w));
- map(0x1800, 0x1fff).rw(m_exp, FUNC(videobrain_expansion_slot_device::cs2_r), FUNC(videobrain_expansion_slot_device::cs2_w));
- map(0x2000, 0x27ff).rom().region("res2", 0);
- map(0x3000, 0x3fff).rw(m_exp, FUNC(videobrain_expansion_slot_device::unmap_r), FUNC(videobrain_expansion_slot_device::unmap_w));
-}
-
-
-//-------------------------------------------------
-// ADDRESS_MAP( vidbrain_io )
-//-------------------------------------------------
-
-void vidbrain_state::vidbrain_io(address_map &map)
-{
- map(0x00, 0x00).w(FUNC(vidbrain_state::keyboard_w));
- map(0x01, 0x01).rw(FUNC(vidbrain_state::keyboard_r), FUNC(vidbrain_state::sound_w));
- map(0x0c, 0x0f).rw(F3853_TAG, FUNC(f3853_device::read), FUNC(f3853_device::write));
-}
-
-
-
-//**************************************************************************
-// INPUT PORTS
-//**************************************************************************
-
-//-------------------------------------------------
-// INPUT_CHANGED_MEMBER( trigger_reset )
-//-------------------------------------------------
-
-INPUT_CHANGED_MEMBER( vidbrain_state::trigger_reset )
-{
- m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? CLEAR_LINE : ASSERT_LINE);
-}
-
-
-//-------------------------------------------------
-// INPUT_PORTS( vidbrain )
-//-------------------------------------------------
-
-static INPUT_PORTS_START( vidbrain )
- PORT_START("IO00")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_I) PORT_CHAR('I') PORT_CHAR('"')
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_O) PORT_CHAR('O') PORT_CHAR('#')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("P \xC2\xA2") PORT_CODE(KEYCODE_P) PORT_CHAR('P') PORT_CHAR(0x00a2)
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("; \xC2\xB6") PORT_CODE(KEYCODE_COLON) PORT_CHAR(';') PORT_CHAR(0x00b6)
-
- PORT_START("IO01")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_U) PORT_CHAR('U') PORT_CHAR('!')
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_K) PORT_CHAR('K') PORT_CHAR(')')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_CHAR('L') PORT_CHAR('$')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_COMMA) PORT_CHAR('\'') PORT_CHAR('*')
-
- PORT_START("IO02")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("Y \xC3\xB7") PORT_CODE(KEYCODE_Y) PORT_CHAR('Y') PORT_CHAR(0x00f7)
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_J) PORT_CHAR('J') PORT_CHAR('(')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_CHAR('M') PORT_CHAR(':')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SHIFT") PORT_CODE(KEYCODE_RSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
-
- PORT_START("IO03")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("T \xC3\x97") PORT_CODE(KEYCODE_T) PORT_CHAR('T') PORT_CHAR(0x00d7)
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_H) PORT_CHAR('H') PORT_CHAR('/')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_CHAR('N') PORT_CHAR(',')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("ERASE RESTART") PORT_CODE(KEYCODE_BACKSPACE) PORT_CHAR(8)
-
- PORT_START("IO04")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_CHAR('R') PORT_CHAR('9')
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_CHAR('G') PORT_CHAR('-')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B') PORT_CHAR('=')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SPACE RUN/STOP") PORT_CODE(KEYCODE_SPACE) PORT_CHAR(' ')
-
- PORT_START("IO05")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E') PORT_CHAR('8')
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F') PORT_CHAR('6')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_V) PORT_CHAR('V') PORT_CHAR('+')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SPECIAL ALARM") PORT_CODE(KEYCODE_F4)
-
- PORT_START("IO06")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_W) PORT_CHAR('W') PORT_CHAR('7')
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D') PORT_CHAR('5')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C') PORT_CHAR('3')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("NEXT CLOCK") PORT_CODE(KEYCODE_F3)
-
- PORT_START("IO07")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Q) PORT_CHAR('Q') PORT_CHAR('%')
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_CHAR('S') PORT_CHAR('4')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_X) PORT_CHAR('X') PORT_CHAR('2')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("PREVIOUS COLOR") PORT_CODE(KEYCODE_F2)
-
- PORT_START("UV201-31")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A') PORT_CHAR('.')
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_Z) PORT_CHAR('Z') PORT_CHAR('1')
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SLASH) PORT_CHAR('?') PORT_CHAR('0')
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("BACK TEXT") PORT_CODE(KEYCODE_F1)
-
- PORT_START("RESET")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("MASTER CONTROL") PORT_CODE(KEYCODE_F5) PORT_CHAR(UCHAR_MAMEKEY(F5)) PORT_CHANGED_MEMBER(DEVICE_SELF, vidbrain_state, trigger_reset, 0)
-
- PORT_START("JOY1-X")
- PORT_BIT( 0xff, 50, IPT_AD_STICK_X ) PORT_MINMAX(0, 99) PORT_SENSITIVITY(25) PORT_PLAYER(1)
-
- PORT_START("JOY1-Y")
- PORT_BIT( 0xff, 50, IPT_AD_STICK_Y ) PORT_MINMAX(0, 99) PORT_SENSITIVITY(25) PORT_PLAYER(1)
-
- PORT_START("JOY2-X")
- PORT_BIT( 0xff, 50, IPT_AD_STICK_X ) PORT_MINMAX(0, 99) PORT_SENSITIVITY(25) PORT_PLAYER(2)
-
- PORT_START("JOY2-Y")
- PORT_BIT( 0xff, 50, IPT_AD_STICK_Y ) PORT_MINMAX(0, 99) PORT_SENSITIVITY(25) PORT_PLAYER(2)
-
- PORT_START("JOY3-X")
- PORT_BIT( 0xff, 50, IPT_AD_STICK_X ) PORT_MINMAX(0, 99) PORT_SENSITIVITY(25) PORT_PLAYER(3)
-
- PORT_START("JOY3-Y")
- PORT_BIT( 0xff, 50, IPT_AD_STICK_Y ) PORT_MINMAX(0, 99) PORT_SENSITIVITY(25) PORT_PLAYER(3)
-
- PORT_START("JOY4-X")
- PORT_BIT( 0xff, 50, IPT_AD_STICK_X ) PORT_MINMAX(0, 99) PORT_SENSITIVITY(25) PORT_PLAYER(4)
-
- PORT_START("JOY4-Y")
- PORT_BIT( 0xff, 70, IPT_AD_STICK_Y ) PORT_MINMAX(0, 139) PORT_SENSITIVITY(25) PORT_PLAYER(4)
-
- PORT_START("JOY-R")
- PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1)
- PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
- PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(3)
- PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(4)
-INPUT_PORTS_END
-
-
-
-//**************************************************************************
-// DEVICE CONFIGURATION
-//**************************************************************************
-
-//-------------------------------------------------
-// UV201_INTERFACE( uv_intf )
-//-------------------------------------------------
-
-WRITE_LINE_MEMBER( vidbrain_state::ext_int_w )
-{
- if (state)
- {
- m_smi->ext_int_w(1);
- }
-}
-
-WRITE_LINE_MEMBER( vidbrain_state::hblank_w )
-{
- if (state && m_joy_enable && !m_timer_ne555->enabled())
- {
- uint8_t joydata = 0;
-
- if (!BIT(m_keylatch, 0)) joydata = m_joy1_x->read();
- if (!BIT(m_keylatch, 1)) joydata = m_joy1_y->read();
- if (!BIT(m_keylatch, 2)) joydata = m_joy2_x->read();
- if (!BIT(m_keylatch, 3)) joydata = m_joy2_y->read();
- if (!BIT(m_keylatch, 4)) joydata = m_joy3_x->read();
- if (!BIT(m_keylatch, 5)) joydata = m_joy3_y->read();
- if (!BIT(m_keylatch, 6)) joydata = m_joy4_x->read();
- if (!BIT(m_keylatch, 7)) joydata = m_joy4_y->read();
-
- // NE555 in monostable mode
- // R = 3K9 + 100K linear pot
- // C = 0.003uF
- // t = 1.1 * R * C
- double t = 1.1 * (RES_K(3.9) + RES_K(joydata)) * 3;
-
- timer_set(attotime::from_nsec(t), TIMER_JOYSTICK);
- }
-}
-
-READ8_MEMBER(vidbrain_state::memory_read_byte)
-{
- address_space& prog_space = m_maincpu->space(AS_PROGRAM);
- return prog_space.read_byte(offset);
-}
-
-
-
-//**************************************************************************
-// MACHINE INITIALIZATION
-//**************************************************************************
-
-//-------------------------------------------------
-// device_timer - handler timer events
-//-------------------------------------------------
-
-void vidbrain_state::device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr)
-{
- m_uv->ext_int_w(0);
- m_smi->ext_int_w(0);
-}
-
-
-//-------------------------------------------------
-// MACHINE_START( vidbrain )
-//-------------------------------------------------
-
-void vidbrain_state::machine_start()
-{
- // allocate timers
- m_timer_ne555 = timer_alloc(TIMER_JOYSTICK);
-
- // register for state saving
- save_item(NAME(m_keylatch));
- save_item(NAME(m_joy_enable));
- save_item(NAME(m_sound_clk));
-}
-
-
-void vidbrain_state::machine_reset()
-{
-}
-
-
-//**************************************************************************
-// MACHINE CONFIGURATION
-//**************************************************************************
-
-//-------------------------------------------------
-// machine_config( vidbrain )
-//-------------------------------------------------
-
-void vidbrain_state::vidbrain(machine_config &config)
-{
- // basic machine hardware
- F8(config, m_maincpu, XTAL(4'000'000)/2);
- m_maincpu->set_addrmap(AS_PROGRAM, &vidbrain_state::vidbrain_mem);
- m_maincpu->set_addrmap(AS_IO, &vidbrain_state::vidbrain_io);
- m_maincpu->set_irq_acknowledge_callback(F3853_TAG, FUNC(f3853_device::int_acknowledge));
-
- // video hardware
- config.set_default_layout(layout_vidbrain);
-
- screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER));
- screen.set_screen_update(UV201_TAG, FUNC(uv201_device::screen_update));
- screen.set_raw(3636363, 232, 18, 232, 262, 21, 262);
- UV201(config, m_uv, 3636363);
- m_uv->set_screen(SCREEN_TAG);
- m_uv->ext_int_wr_callback().set(FUNC(vidbrain_state::ext_int_w));
- m_uv->hblank_wr_callback().set(FUNC(vidbrain_state::hblank_w));
- m_uv->db_rd_callback().set(FUNC(vidbrain_state::memory_read_byte));
-
- // sound hardware
- SPEAKER(config, "speaker").front_center();
- DAC_2BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.167); // 74ls74.u16 + 120k + 56k
- voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
- vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);
-
- // devices
- F3853(config, m_smi, XTAL(4'000'000)/2);
- m_smi->int_req_callback().set_inputline(m_maincpu, F8_INPUT_LINE_INT_REQ);
-
- // cartridge
- VIDEOBRAIN_EXPANSION_SLOT(config, m_exp, vidbrain_expansion_cards, nullptr);
-
- // software lists
- SOFTWARE_LIST(config, "cart_list").set_original("vidbrain");
-
- // internal ram
- RAM(config, RAM_TAG).set_default_size("1K");
-}
-
-
-
-//**************************************************************************
-// ROMS
-//**************************************************************************
-
-//-------------------------------------------------
-// ROM( vidbrain )
-//-------------------------------------------------
-
-ROM_START( vidbrain )
- ROM_REGION( 0x800, "res1", 0 )
- ROM_LOAD( "uvres 1n.d67", 0x000, 0x800, CRC(065fe7c2) SHA1(9776f9b18cd4d7142e58eff45ac5ee4bc1fa5a2a) )
-
- ROM_REGION( 0x800, "res2", 0 )
- ROM_LOAD( "resn2.e5", 0x000, 0x800, CRC(1d85d7be) SHA1(26c5a25d1289dedf107fa43aa8dfc14692fd9ee6) )
-
- ROM_REGION( 0x800, F3870_TAG, 0 )
- ROM_LOAD( "expander1.bin", 0x0000, 0x0800, CRC(dac31abc) SHA1(e1ac7a9d654c2a70979effc744d98f21d13b4e05) )
-ROM_END
-
-
-
-//**************************************************************************
-// SYSTEM DRIVERS
-//**************************************************************************
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1977, vidbrain, 0, 0, vidbrain, vidbrain, vidbrain_state, empty_init, "VideoBrain Computer Company", "VideoBrain FamilyComputer", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )