summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/tek405x.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/tek405x.cpp')
-rw-r--r--src/mame/drivers/tek405x.cpp1179
1 files changed, 0 insertions, 1179 deletions
diff --git a/src/mame/drivers/tek405x.cpp b/src/mame/drivers/tek405x.cpp
deleted file mode 100644
index 46b12281e6c..00000000000
--- a/src/mame/drivers/tek405x.cpp
+++ /dev/null
@@ -1,1179 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Curt Coder
-/***************************************************************************
-
- Tektronix 4051/4052A
-
- Skeleton driver.
-
- http://www.electronixandmore.com/articles/teksystem.html
-
-****************************************************************************/
-
-/*
-
- TODO:
-
- - bank switch
- - keyboard
- - video (persistent vector display)
- - joystick
- - magnetic tape storage (3M 300)
- - communications backpack
- - 4051E01 ROM expander
-
-*/
-
-
-#include "emu.h"
-#include "includes/tek405x.h"
-#include "screen.h"
-#include "softlist.h"
-#include "speaker.h"
-
-
-//**************************************************************************
-// MACROS / CONSTANTS
-//**************************************************************************
-
-enum {
- LBS_RBC = 0, // ROM Bank Control
- LBS_BSOFL, // Bank Switch Overflow (Select Overflow ROMs)
- LBS_BSCOM, // Bank Switch Communication (Select Communication ROMs)
- LBS_INVALID,
- LBS_BS_L, // Bank Switch Left (Select Left ROM Pack)
- LBS_BS_R, // Bank Switch Right (Select Right ROM Pack)
- LBS_BSX_L, // Bank Switch Expander (Select Left ROM Expander Unit)
- LBS_BSX_R // Bank Switch Expander (Select Right ROM Expander Unit)
-};
-
-
-//**************************************************************************
-// INTERRUPTS
-//**************************************************************************
-
-void tek4051_state::update_irq()
-{
- int state = m_kb_pia_irqa | m_kb_pia_irqb | m_x_pia_irqa | m_x_pia_irqb | m_gpib_pia_irqa | m_gpib_pia_irqb | m_com_pia_irqa | m_com_pia_irqb | m_acia_irq;
-
- m_maincpu->set_input_line(INPUT_LINE_IRQ0, state);
-}
-
-void tek4051_state::update_nmi()
-{
- int state = m_y_pia_irqa | m_y_pia_irqb | m_tape_pia_irqa | m_tape_pia_irqb;
-
- m_maincpu->set_input_line(INPUT_LINE_NMI, state);
-}
-
-
-//**************************************************************************
-// KEYBOARD
-//**************************************************************************
-
-void tek4051_state::scan_keyboard()
-{
-}
-
-TIMER_DEVICE_CALLBACK_MEMBER(tek4051_state::keyboard_tick)
-{
- scan_keyboard();
-}
-
-
-//**************************************************************************
-// MEMORY BANKING
-//**************************************************************************
-
-void tek4051_state::bankswitch(uint8_t data)
-{
- address_space &program = m_maincpu->space(AS_PROGRAM);
-
- //int d = data & 0x07;
- int lbs = (data >> 3) & 0x07;
-
- switch (lbs)
- {
- case LBS_RBC:
- program.install_rom(0x8800, 0xa7ff, m_rom->base() + 0x800);
- break;
-
- case LBS_BSOFL:
- program.install_rom(0x8800, 0xa7ff, m_bsofl_rom->base());
- break;
-
- case LBS_BSCOM:
- program.install_rom(0x8800, 0xa7ff, m_bscom_rom->base());
- break;
-
- default:
- program.unmap_readwrite(0x8800, 0xa7ff);
- }
-}
-
-WRITE8_MEMBER( tek4051_state::lbs_w )
-{
- /*
-
- bit description
-
- 0 ROM Expander Slot Address
- 1 ROM Expander Slot Address
- 2 ROM Expander Slot Address
- 3 Bank Switch
- 4 Bank Switch
- 5 Bank Switch
- 6
- 7
-
- */
-
- logerror("LBS %02x\n", data);
-
- bankswitch(data);
-}
-
-
-//**************************************************************************
-// ADDRESS MAPS
-//**************************************************************************
-
-void tek4051_state::tek4051_mem(address_map &map)
-{
- map(0x0000, 0x1fff).ram();
- map(0x2000, 0x7fff).ram(); // optional RAM
- map(0x8000, 0x877f).rom().region(MC6800_TAG, 0);
- map(0x878c, 0x878f).rw(MC6820_Y_TAG, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
- map(0x8794, 0x8797).rw(MC6820_X_TAG, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
- map(0x8798, 0x879b).rw(MC6820_TAPE_TAG, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
- map(0x87a8, 0x87ab).rw(MC6820_KB_TAG, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
- map(0x87b0, 0x87b3).rw(m_gpib_pia, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
- map(0x87c0, 0x87c0).mirror(0x03).w(FUNC(tek4051_state::lbs_w));
-// map(0x87c0, 0x87c3).rw(MC6820_COM_TAG, FUNC(pia6821_device::read), FUNC(pia6821_device::write));
-// map(0x87c4, 0x87c5).mirror(0x02).rw(MC6850_TAG, FUNC(acia6850_device::read), FUNC(acia6850_device::write));
-// map(0x87c8, 0x87cb) XPC2
-// map(0x87cc, 0x87cf) XPC3
-// map(0x87d0, 0x87d3) XPC4
- map(0x8800, 0xa7ff).rom().region(MC6800_TAG, 0x800);
- map(0xa800, 0xffff).rom().region(MC6800_TAG, 0x2800);
-}
-
-void tek4052_state::tek4052_mem(address_map &map)
-{
-}
-
-
-//**************************************************************************
-// INPUT PORTS
-//**************************************************************************
-
-static INPUT_PORTS_START( tek4051 )
- 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("Y10")
- 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("Y11")
- 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("Y12")
- 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("Y13")
- 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("Y14")
- 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("Y15")
- 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("SPECIAL")
- PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Left SHIFT") PORT_CODE(KEYCODE_LSHIFT) PORT_CHAR(UCHAR_SHIFT_1)
- PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Right SHIFT") PORT_CODE(KEYCODE_RSHIFT)
- PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("CTRL") PORT_CODE(KEYCODE_LCONTROL) PORT_CHAR(UCHAR_MAMEKEY(LCONTROL))
- PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("TTY LOCK") PORT_CODE(KEYCODE_CAPSLOCK) PORT_CHAR(UCHAR_MAMEKEY(CAPSLOCK))
-INPUT_PORTS_END
-
-
-//**************************************************************************
-// VIDEO
-//**************************************************************************
-
-void tek4051_state::video_start()
-{
-}
-
-
-void tek4052_state::video_start()
-{
-}
-
-
-//**************************************************************************
-// DEVICE CONFIGURATION
-//**************************************************************************
-
-READ8_MEMBER( tek4051_state::x_pia_pa_r )
-{
- /*
-
- bit description
-
- PA0
- PA1
- PA2 DRBUSY-0
- PA3 VPULSE-1
- PA4
- PA5
- PA6
- PA7
-
- */
-
- return 0;
-}
-
-WRITE8_MEMBER( tek4051_state::x_pia_pa_w )
-{
- /*
-
- bit description
-
- PA0 X D/A
- PA1 X D/A
- PA2
- PA3
- PA4 ERASE-0
- PA5 COPY-0
- PA6 VECTOR-0
- PA7 VEN-1
-
- */
-}
-
-WRITE8_MEMBER( tek4051_state::x_pia_pb_w )
-{
- /*
-
- bit description
-
- PB0 X D/A
- PB1 X D/A
- PB2 X D/A
- PB3 X D/A
- PB4 X D/A
- PB5 X D/A
- PB6 X D/A
- PB7 X D/A
-
- */
-}
-
-WRITE_LINE_MEMBER( tek4051_state::adot_w )
-{
-}
-
-WRITE_LINE_MEMBER( tek4051_state::bufclk_w )
-{
-}
-
-WRITE_LINE_MEMBER( tek4051_state::x_pia_irqa_w )
-{
- m_x_pia_irqa = state;
- update_irq();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::x_pia_irqb_w )
-{
- m_x_pia_irqb = state;
- update_irq();
-}
-
-READ8_MEMBER( tek4051_state::sa_r )
-{
- /*
-
- bit description
-
- PA0 SA0
- PA1 SA1
- PA2 SA2
- PA3 SA3
- PA4 SA4
- PA5 SA5
- PA6 SA6
- PA7 SA7
-
- */
-
- return 0;
-}
-
-WRITE8_MEMBER( tek4051_state::y_pia_pa_w )
-{
- /*
-
- bit description
-
- PA0 Y D/A
- PA1 Y D/A
- PA2 Y CHAR D/A
- PA3 Y CHAR D/A
- PA4 Y CHAR D/A
- PA5 X CHAR D/A
- PA6 X CHAR D/A
- PA7 X CHAR D/A
-
- */
-}
-
-WRITE8_MEMBER( tek4051_state::sb_w )
-{
- /*
-
- bit description
-
- PB0 SB0
- PB1 SB1
- PB2 SB2
- PB3 SB3
- PB4 SB4
- PB5 SB5
- PB6 SB6
- PB7 SB7
-
- */
-}
-
-WRITE_LINE_MEMBER( tek4051_state::sot_w )
-{
-}
-
-WRITE_LINE_MEMBER( tek4051_state::y_pia_irqa_w )
-{
- m_y_pia_irqa = state;
- update_nmi();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::y_pia_irqb_w )
-{
- m_y_pia_irqb = state;
- update_nmi();
-}
-
-
-READ8_MEMBER( tek4051_state::kb_pia_pa_r )
-{
- /*
-
- bit description
-
- PA0 KC0-1
- PA1 KC1-1
- PA2 KC2-1
- PA3 KC3-1
- PA4 KC4-1
- PA5 KC5-1
- PA6 KC6-1
- PA7 TTY-0
-
- */
-
- uint8_t data = 0;
- uint8_t special = m_special->read();
-
- // keyboard column
- data = m_kc;
-
- // TTY lock
- data |= BIT(special, 3) << 7;
-
- return data;
-}
-
-READ8_MEMBER( tek4051_state::kb_pia_pb_r )
-{
- /*
-
- bit description
-
- PB0 SHIFT-0
- PB1 CTRL-0
- PB2
- PB3 LOAD-0
- PB4
- PB5
- PB6
- PB7
-
- */
-
- uint8_t data = 0;
- uint8_t special = m_special->read();
-
- // shift
- data |= (BIT(special, 0) & BIT(special, 1));
-
- // ctrl
- data |= BIT(special, 2) << 1;
-
- return data;
-}
-
-WRITE8_MEMBER( tek4051_state::kb_pia_pb_w )
-{
- /*
-
- bit description
-
- PB0
- PB1
- PB2
- PB3
- PB4 EOI-1
- PB5 BREAK-1
- PB6 I/O-1
- PB7 BUSY-1/REN-0/SPEAKER
-
- */
-
- // lamps
- m_lamps[0] = BIT(~data, 5);
- m_lamps[1] = BIT(~data, 6);
- m_lamps[2] = BIT(~data, 7);
-
- // end or identify
- m_gpib->host_eoi_w(!BIT(data, 4));
-
- // speaker
- m_speaker->level_w(!BIT(data, 7));
-
- // remote enable
- m_gpib->host_ren_w(!BIT(data, 7));
-}
-
-WRITE_LINE_MEMBER( tek4051_state::kb_halt_w )
-{
-}
-
-WRITE_LINE_MEMBER( tek4051_state::kb_pia_irqa_w )
-{
- m_kb_pia_irqa = state;
- update_irq();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::kb_pia_irqb_w )
-{
- m_kb_pia_irqb = state;
- update_irq();
-}
-
-
-READ8_MEMBER( tek4051_state::tape_pia_pa_r )
-{
- /*
-
- bit description
-
- PA0 DELAY OUT-1
- PA1
- PA2 TUTS-1
- PA3 SAFE-1
- PA4 SAFE-1
- PA5 JOYSTICK
- PA6 FILFND-1
- PA7 JOYSTICK
-
- */
-
- return 0;
-}
-
-WRITE8_MEMBER( tek4051_state::tape_pia_pa_w )
-{
- /*
-
- bit description
-
- PA0
- PA1 LDCLK-1
- PA2
- PA3
- PA4
- PA5 XERR-1
- PA6
- PA7 YERR-1
-
- */
-}
-
-WRITE8_MEMBER( tek4051_state::tape_pia_pb_w )
-{
- /*
-
- bit description
-
- PB0 WR-0
- PB1 FAST-1
- PB2 REV-1
- PB3 DRTAPE-0
- PB4 GICG-1
- PB5 FICG-1
- PB6 WENABLE-1
- PB7 FSENABLE-0
-
- */
-}
-
-WRITE_LINE_MEMBER( tek4051_state::tape_pia_irqa_w )
-{
- m_tape_pia_irqa = state;
- update_nmi();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::tape_pia_irqb_w )
-{
- m_tape_pia_irqb = state;
- update_nmi();
-}
-
-WRITE8_MEMBER( tek4051_state::dio_w )
-{
- /*
-
- bit description
-
- PA0 DIO1-1
- PA1 DIO2-1
- PA2 DIO3-1
- PA3 DIO4-1
- PA4 DIO5-1
- PA5 DIO6-1
- PA6 DIO7-1
- PA7 DIO8-1
-
- */
-
- if (m_talk)
- {
- m_gpib->write_dio(data);
- }
-}
-
-READ8_MEMBER( tek4051_state::gpib_pia_pb_r )
-{
- /*
-
- bit description
-
- PB0
- PB1
- PB2
- PB3
- PB4 NRFD
- PB5 SRQ-1
- PB6 DAV-1
- PB7 NDAC
-
- */
-
- uint8_t data = 0;
-
- // service request
- data |= m_gpib->srq_r() << 5;
-
- // data valid
- data |= m_gpib->dav_r() << 6;
-
- if (!m_talk)
- {
- // not ready for data
- data |= m_gpib->nrfd_r() << 4;
-
- // not data acknowledged
- data |= m_gpib->ndac_r() << 7;
- }
-
- return data;
-}
-
-WRITE8_MEMBER( tek4051_state::gpib_pia_pb_w )
-{
- /*
-
- bit description
-
- PB0 EOI-1
- PB1 IFC-1
- PB2
- PB3 ATN-0
- PB4 NRFD
- PB5
- PB6
- PB7 NDAC
-
- */
-
- // end or identify
- m_gpib->host_eoi_w(!BIT(data, 0));
-
- // interface clear
- m_gpib->host_ifc_w(!BIT(data, 1));
-
- // attention
- m_gpib->host_atn_w(BIT(data, 3));
-
- if (m_talk)
- {
- // not ready for data
- m_gpib->host_nrfd_w(!BIT(data, 4));
-
- // not data acknowledged
- m_gpib->host_ndac_w(!BIT(data, 7));
- }
-}
-
-WRITE_LINE_MEMBER( tek4051_state::talk_w )
-{
- m_talk = state;
-
- if (!m_talk)
- {
- m_gpib->write_dio(0xff);
- m_gpib->host_nrfd_w(1);
- m_gpib->host_ndac_w(1);
- }
-}
-
-WRITE_LINE_MEMBER( tek4051_state::gpib_pia_irqa_w )
-{
- m_gpib_pia_irqa = state;
- update_irq();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::gpib_pia_irqb_w )
-{
- m_gpib_pia_irqb = state;
- update_irq();
-}
-
-WRITE8_MEMBER( tek4051_state::com_pia_pa_w )
-{
- /*
-
- bit description
-
- PA0
- PA1
- PA2
- PA3 Bank Switch Register
- PA4 Bank Switch Register
- PA5 Bank Switch Register
- PA6
- PA7
-
- */
-
- bankswitch(data);
-}
-
-READ8_MEMBER( tek4051_state::com_pia_pb_r )
-{
- /*
-
- bit description
-
- PB0 SRX
- PB1 DTR
- PB2 RTS
- PB3
- PB4
- PB5
- PB6
- PB7
-
- */
-
- uint8_t data = 0;
-
- // data terminal ready
-
- // request to send
-
- return data;
-}
-
-WRITE8_MEMBER( tek4051_state::com_pia_pb_w )
-{
- /*
-
- bit description
-
- PB0
- PB1
- PB2
- PB3 CTS
- PB4 STXA-C
- PB5 Baud Rate Select
- PB6 Baud Rate Select
- PB7 Baud Rate Select
-
- */
-
- // clear to send
-
- // baud rate select
- int osc = BIT(data, 7) ? 28160 : 38400;
- int div = 1;
-
- switch ((data >> 5) & 0x03)
- {
- case 2: div = 4; break;
- case 3: div = 2; break;
- }
-
- m_acia_clock->set_unscaled_clock(osc);
- m_acia_clock->set_clock_scale((double) 1 / div);
-}
-
-WRITE_LINE_MEMBER( tek4051_state::com_pia_irqa_w )
-{
- m_com_pia_irqa = state;
- update_irq();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::com_pia_irqb_w )
-{
- m_com_pia_irqb = state;
- update_irq();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::acia_irq_w )
-{
- m_acia_irq = state;
- update_irq();
-}
-
-WRITE_LINE_MEMBER( tek4051_state::write_acia_clock )
-{
- m_acia->write_txc(state);
- m_acia->write_rxc(state);
-}
-
-
-//**************************************************************************
-// MACHINE INITIALIZATION
-//**************************************************************************
-
-void tek4051_state::machine_start()
-{
- m_lamps.resolve();
-
- address_space &program = m_maincpu->space(AS_PROGRAM);
-
- // configure RAM
- switch (m_ram->size())
- {
- case 8*1024:
- program.unmap_readwrite(0x2000, 0x7fff);
- break;
-
- case 16*1024:
- program.unmap_readwrite(0x4000, 0x7fff);
- break;
-
- case 24*1024:
- program.unmap_readwrite(0x6000, 0x7fff);
- break;
- }
-
- // register for state saving
-}
-
-void tek4052_state::machine_start()
-{
-}
-
-
-//**************************************************************************
-// MACHINE CONFIGURATION
-//**************************************************************************
-
-void tek4051_state::tek4051(machine_config &config)
-{
- // basic machine hardware
- M6800(config, m_maincpu, XTAL(12'500'000)/15);
- m_maincpu->set_addrmap(AS_PROGRAM, &tek4051_state::tek4051_mem);
-
- // video hardware
- VECTOR(config, "vector", 0);
- screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_VECTOR));
- screen.set_color(rgb_t::green());
- screen.set_refresh_hz(50);
- screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate
- screen.set_size(1024, 780);
- screen.set_visarea(0, 1024-1, 0, 780-1);
- screen.set_screen_update("vector", FUNC(vector_device::screen_update));
-
- PALETTE(config, "palette", palette_device::MONOCHROME);
-
- // sound hardware
- SPEAKER(config, "mono").front_center();
- SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25);
-
- // devices
- TIMER(config, "keyboard").configure_periodic(FUNC(tek4051_state::keyboard_tick), attotime::from_hz(XTAL(12'500'000)/15/4));
-
- pia6821_device &piax(PIA6821(config, MC6820_X_TAG, 0));
- piax.readpa_handler().set(FUNC(tek4051_state::x_pia_pa_r));
- // CB1 viewcause
- piax.writepa_handler().set(FUNC(tek4051_state::x_pia_pa_w));
- piax.writepb_handler().set(FUNC(tek4051_state::x_pia_pb_w));
- piax.ca2_handler().set(FUNC(tek4051_state::adot_w));
- piax.cb2_handler().set(FUNC(tek4051_state::bufclk_w));
- piax.irqa_handler().set(FUNC(tek4051_state::x_pia_irqa_w));
- piax.irqb_handler().set(FUNC(tek4051_state::x_pia_irqb_w));
-
- pia6821_device &piay(PIA6821(config, MC6820_Y_TAG, 0));
- piay.readpa_handler().set(FUNC(tek4051_state::sa_r));
- // CA1 rdbyte
- // CB1 mdata
- // CB2 fmark
- piay.writepa_handler().set(FUNC(tek4051_state::y_pia_pa_w));
- piay.writepb_handler().set(FUNC(tek4051_state::sb_w));
- piay.ca2_handler().set(FUNC(tek4051_state::sot_w));
- piay.irqa_handler().set(FUNC(tek4051_state::y_pia_irqa_w));
- piay.irqb_handler().set(FUNC(tek4051_state::y_pia_irqb_w));
-
- pia6821_device &piakbd(PIA6821(config, MC6820_KB_TAG, 0));
- piakbd.readpa_handler().set(FUNC(tek4051_state::kb_pia_pa_r));
- piakbd.readpb_handler().set(FUNC(tek4051_state::kb_pia_pb_r));
- // CA1 key
- piakbd.writepb_handler().set(FUNC(tek4051_state::kb_pia_pb_w));
- piakbd.ca2_handler().set(FUNC(tek4051_state::kb_halt_w));
- piakbd.irqa_handler().set(FUNC(tek4051_state::kb_pia_irqa_w));
- piakbd.irqb_handler().set(FUNC(tek4051_state::kb_pia_irqb_w));
-
- pia6821_device &piatape(PIA6821(config, MC6820_TAPE_TAG, 0));
- piatape.readpa_handler().set(FUNC(tek4051_state::tape_pia_pa_r));
- // CA1 rmark
- // CB1 lohole
- // CA2 filfnd
- // CB2 uphole
- piatape.writepa_handler().set(FUNC(tek4051_state::tape_pia_pa_w));
- piatape.writepb_handler().set(FUNC(tek4051_state::tape_pia_pb_w));
- piatape.irqa_handler().set(FUNC(tek4051_state::tape_pia_irqa_w));
- piatape.irqb_handler().set(FUNC(tek4051_state::tape_pia_irqb_w));
-
- PIA6821(config, m_gpib_pia, 0);
- m_gpib_pia->readpa_handler().set(IEEE488_TAG, FUNC(ieee488_device::dio_r));
- m_gpib_pia->readpb_handler().set(FUNC(tek4051_state::gpib_pia_pb_r));
- m_gpib_pia->writepa_handler().set(FUNC(tek4051_state::dio_w));
- m_gpib_pia->writepb_handler().set(FUNC(tek4051_state::gpib_pia_pb_w));
- m_gpib_pia->cb2_handler().set(FUNC(tek4051_state::talk_w));
- m_gpib_pia->irqa_handler().set(FUNC(tek4051_state::gpib_pia_irqa_w));
- m_gpib_pia->irqb_handler().set(FUNC(tek4051_state::gpib_pia_irqb_w));
-
- PIA6821(config, m_com_pia, 0);
- m_com_pia->readpb_handler().set(FUNC(tek4051_state::com_pia_pb_r));
- //CA1 - SRX (RS-232 pin 12)
- m_com_pia->writepa_handler().set(FUNC(tek4051_state::com_pia_pa_w));
- m_com_pia->writepb_handler().set(FUNC(tek4051_state::com_pia_pb_w));
- m_com_pia->irqa_handler().set(FUNC(tek4051_state::com_pia_irqa_w));
- m_com_pia->irqb_handler().set(FUNC(tek4051_state::com_pia_irqb_w));
-
- ACIA6850(config, m_acia, 0);
- m_acia->irq_handler().set(FUNC(tek4051_state::acia_irq_w));
-
- CLOCK(config, m_acia_clock, 38400);
- m_acia_clock->signal_handler().set(FUNC(tek4051_state::write_acia_clock));
-
- IEEE488(config, m_gpib);
- m_gpib->eoi_callback().set(MC6820_GPIB_TAG, FUNC(pia6821_device::ca1_w));
- m_gpib->srq_callback().set(MC6820_GPIB_TAG, FUNC(pia6821_device::cb1_w));
-
- // internal ram
- RAM(config, RAM_TAG).set_default_size("8K").set_extra_options("16K,24K,32K");
-
- // cartridge
- GENERIC_CARTSLOT(config, "cartslot1", generic_plain_slot, "tek4050_cart");
- GENERIC_CARTSLOT(config, "cartslot2", generic_plain_slot, "tek4050_cart");
-}
-
-void tek4052_state::tek4052(machine_config &config)
-{
- // basic machine hardware
- m6800_cpu_device &cpu(M6800(config, AM2901A_TAG, 1000000)); // should be 4x AM2901A + AM2911
- cpu.set_addrmap(AS_PROGRAM, &tek4052_state::tek4052_mem);
-
- // video hardware
- VECTOR(config, "vector", 0);
- screen_device &screen(SCREEN(config, SCREEN_TAG, SCREEN_TYPE_VECTOR));
- screen.set_color(rgb_t::green());
- screen.set_refresh_hz(50);
- screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate
- screen.set_size(1024, 780);
- screen.set_visarea(0, 1024-1, 0, 780-1);
- screen.set_screen_update("vector", FUNC(vector_device::screen_update));
-
- PALETTE(config, "palette", palette_device::MONOCHROME);
-
- // sound hardware
- SPEAKER(config, "mono").front_center();
- SPEAKER_SOUND(config, "speaker").add_route(ALL_OUTPUTS, "mono", 0.25);
-
- // internal ram
- RAM(config, RAM_TAG).set_default_size("32K").set_extra_options("64K");
-
- // cartridge
- GENERIC_CARTSLOT(config, "cartslot1", generic_plain_slot, "tek4050_cart");
- GENERIC_CARTSLOT(config, "cartslot2", generic_plain_slot, "tek4050_cart");
-
- // software lists
- SOFTWARE_LIST(config, "cart_list").set_original("tek4052_cart");
-}
-
-/*
-void tek4054_state::tek4054(machine_config &config)
-{
- // screen size: 4096, 3125
-}
-*/
-
-
-
-//**************************************************************************
-// ROMS
-//**************************************************************************
-
-ROM_START( tek4051 )
- ROM_REGION( 0x8000, MC6800_TAG, 0 )
- ROM_LOAD( "156-0659-xx.u585", 0x0000, 0x0800, CRC(0017ba54) SHA1(533bfacb2e698c1df88a00acce6df6a8c536239d) ) // -01 or -02 ?
- ROM_LOAD( "156-0660-01.u581", 0x0800, 0x0800, CRC(c4e302e8) SHA1(a0438cbc70ddc1bab000e30c0f835f0948aae969) )
- ROM_LOAD( "156-0661-01.u487", 0x1000, 0x0800, CRC(edb097c8) SHA1(a07b777b6b20de496089730db8097b65b9a8ef31) )
- ROM_LOAD( "156-0662-01.u485", 0x1800, 0x0800, CRC(0a3af548) SHA1(01bcffa7d55b2585348ea96852b4319c6454d19a) )
- ROM_LOAD( "156-0663-01.u481", 0x2000, 0x0800, CRC(f220d24c) SHA1(fb5dc8a617f4b4d5c094c0cbabb9af158c19c2c2) )
- ROM_LOAD( "156-0664-xx.u385", 0x2800, 0x0800, CRC(aa1ae67d) SHA1(8816654c1b0ad0230bf5027f68c2ec1d315ad188) ) // -01 or -02 ?
- ROM_LOAD( "156-0665-xx.u381", 0x3000, 0x0800, CRC(90497138) SHA1(2d6bbe169a434581a49fffcab0d2ca18107b67da) ) // -01 or -02 ?
- ROM_LOAD( "156-0666-01.u285", 0x3800, 0x0800, CRC(c35ce405) SHA1(10cae122d000fe2886228a178a1a4e4d3ec2c3f5) )
- ROM_LOAD( "156-0667-xx.u595", 0x4000, 0x0800, CRC(e1723a06) SHA1(dde3e64eb6acc77d8e7234235a99ec338cc74717) ) // -01 or -02 ?
- ROM_LOAD( "156-0668-xx.u591", 0x4800, 0x0800, CRC(d8b80d7a) SHA1(6c1f00fa2f9ff6ebd84268c2100637ddbdb3bae6) ) // -01 or -02 ?
- ROM_LOAD( "156-0669-01.u497", 0x5000, 0x0800, CRC(f760ed39) SHA1(2b30d20d880002ce3950ee7abe40f4e1539208cc) )
- ROM_LOAD( "156-0670-01.u495", 0x5800, 0x0800, CRC(d40a303d) SHA1(111b399f6178e2fe50b1368536f290d4df9883fc) )
- ROM_LOAD( "156-0671-xx.u491", 0x6000, 0x0800, CRC(32060b64) SHA1(af254dc068686fcd7584128258724fd5415ea458) ) // -01 or -02 ?
- ROM_LOAD( "156-0672-xx.u395", 0x6800, 0x0800, CRC(93ad68d1) SHA1(8242058bfc89d11cd9ae82d967410714875eface) ) // -01 or -02 ?
- ROM_LOAD( "156-0673-xx.u391", 0x7000, 0x0800, CRC(ee1f5d4c) SHA1(a6fb8347a0dfa94268f091fb7ca091c8bfabeabd) ) // -01 or -02 or -03 ?
- ROM_LOAD( "156-0674-xx.u295", 0x7800, 0x0800, CRC(50582341) SHA1(1a028176e5d5ca83012e2f75e9daad88cd7d8fc3) ) // -01 or -02 ?
-
- ROM_REGION( 0x2000, "020_0147_00", 0 ) // Firmware Backpack (020-0147-00)
- ROM_LOAD( "156-0747-xx.u101", 0x0000, 0x0800, CRC(9e1facc1) SHA1(7e7a118c3e8c49630f630ee02c3de843dd95d7e1) ) // -00 or -01 ?
- ROM_LOAD( "156-0748-xx.u201", 0x0800, 0x0800, CRC(be42bfbf) SHA1(23575b411bd9dcb7d7116628820096e3064ff93b) ) // -00 or -01 ?
-
- ROM_REGION( 0x2000, "021_0188_00", 0 ) // Communications Backpack (021-0188-00)
- ROM_LOAD( "156-0712-00.u101", 0x0000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0712-01.u101", 0x0000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0713-00.u111", 0x0800, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0713-01.u111", 0x0800, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0714-00.u121", 0x1000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0714-01.u121", 0x1000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0715-01.u131", 0x1800, 0x0800, NO_DUMP )
-/*
- ROM_REGION( 0x2000, "4051r01", 0 ) // 4051R01 Matrix Functions
- ROM_LOAD( "4051r01", 0x0000, 0x1000, NO_DUMP )
-
- ROM_REGION( 0x2000, "4051r05", 0 ) // 4051R05 Binary Program Loader
- ROM_LOAD( "156-0856-00.u1", 0x0000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0857-00.u11", 0x0800, 0x0800, NO_DUMP )
-
- ROM_REGION( 0x2000, "4051r06", 0 ) // 4051R06 Editor
- ROM_LOAD( "4051r06", 0x0000, 0x1000, NO_DUMP )
-*/
-ROM_END
-
-ROM_START( tek4052a )
- ROM_REGION( 0x3800, AM2901A_TAG, 0 ) // ALU 670-7705-00 microcode
- ROM_LOAD( "160-1689-00.u340", 0x0000, 0x0800, CRC(97ff62d4) SHA1(e25b495fd1b3f8a5bfef5c8f20efacde8366e89c) )
- ROM_LOAD( "160-1688-00.u335", 0x0800, 0x0800, CRC(19033422) SHA1(0f6ea45be5123701940331c4278bcdc5db4f4147) )
- ROM_LOAD( "160-1687-00.u330", 0x1000, 0x0800, CRC(3b2e37dd) SHA1(294b626d0022fbf9bec50680b6b932f21a3cb049) )
- ROM_LOAD( "160-1686-00.u320", 0x1800, 0x0800, CRC(7916cd64) SHA1(d6b3ed783e488667ca203ec605aa27d78261c61b) )
- ROM_LOAD( "160-1695-00.u315", 0x2000, 0x0800, CRC(cdac76a7) SHA1(2a47f34ae63fb7fe96e7c6fc92ca4f629b0e31ec) )
- ROM_LOAD( "160-1694-00.u305", 0x2800, 0x0800, CRC(c33ae212) SHA1(25ed4cc3600391fbc93bb46c92d3f64ca2aca58e) )
- ROM_LOAD( "160-1693-00.u300", 0x3000, 0x0800, CRC(651b7af2) SHA1(7255c682cf74f2e77661d77c8406b36a567eea46) )
-
- ROM_REGION( 0x14000, "672_0799_08", 0 ) // Memory Access Sequencer 672-0799-08
- ROM_LOAD16_BYTE( "160-1698-00.u810", 0x00000, 0x2000, CRC(fd0b8bc3) SHA1(ea9caa151295024267a467ba636ad41aa0c517d3) )
- ROM_LOAD16_BYTE( "160-1682-00.u893", 0x00001, 0x2000, CRC(d54104ef) SHA1(b796c320c8f96f6e4b845718bfb62ccb5903f2db) )
- ROM_LOAD16_BYTE( "160-1699-00.u820", 0x04000, 0x2000, CRC(59cc6c2e) SHA1(b6d85cdfaaef360af2a4fc44eae55e512bb08b21) )
- ROM_LOAD16_BYTE( "160-1684-00.u870", 0x04001, 0x2000, CRC(b24cdbaf) SHA1(476032624110bc5c7a7f30d10458e8baffb2f2ff) )
- ROM_LOAD16_BYTE( "160-1700-00.u825", 0x08000, 0x2000, CRC(59f4a4e2) SHA1(81b5f74ec14bb13735382abc123bb9b09dfb7a63) )
- ROM_LOAD16_BYTE( "160-1683-00.u880", 0x08001, 0x2000, CRC(f6bb15d1) SHA1(eca06211876c12236cfeae0417131e8f04728d51) )
- ROM_LOAD16_BYTE( "160-1701-00.u835", 0x0c000, 0x2000, CRC(195988b9) SHA1(995a77963e869f1a461addf58db9ecbf2b9222ba) )
- ROM_LOAD16_BYTE( "160-1691-00.u885", 0x0c001, 0x2000, CRC(0670bf9e) SHA1(a8c39bd7f3f61436296c6bc5f734354371ae8123) )
- ROM_LOAD16_BYTE( "160-1702-00.u845", 0x10000, 0x2000, CRC(013344b1) SHA1(4a79654427e15d0fcedd9519914f6448938ecffd) )
- ROM_LOAD16_BYTE( "160-1685-00.u863", 0x10001, 0x2000, CRC(53ddc8f9) SHA1(431d6f329dedebb54232c623a924d5ecddc5e44e) )
-
- ROM_REGION( 0x2000, "020_0147_00", 0 ) // Firmware Backpack (020-0147-00)
- ROM_LOAD( "156-0747-xx.u101", 0x0000, 0x0800, CRC(9e1facc1) SHA1(7e7a118c3e8c49630f630ee02c3de843dd95d7e1) ) // -00 or -01 ?
- ROM_LOAD( "156-0748-xx.u201", 0x0800, 0x0800, CRC(be42bfbf) SHA1(23575b411bd9dcb7d7116628820096e3064ff93b) ) // -00 or -01 ?
-
- ROM_REGION( 0x2000, "021_0188_00", 0 ) // Communications Backpack (021-0188-00)
- ROM_LOAD( "156-0712-00.u101", 0x0000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0712-01.u101", 0x0000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0713-00.u111", 0x0800, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0713-01.u111", 0x0800, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0714-00.u121", 0x1000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0714-01.u121", 0x1000, 0x0800, NO_DUMP )
- ROM_LOAD( "156-0715-01.u131", 0x1800, 0x0800, NO_DUMP )
-ROM_END
-
-
-
-//**************************************************************************
-// SYSTEM DRIVERS
-//**************************************************************************
-
-// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
-COMP( 1975, tek4051, 0, 0, tek4051, tek4051, tek4051_state, empty_init, "Tektronix", "Tektronix 4051", MACHINE_NOT_WORKING )
-COMP( 1978, tek4052a, tek4051, 0, tek4052, tek4051, tek4052_state, empty_init, "Tektronix", "Tektronix 4052A", MACHINE_NOT_WORKING )
-//COMP( 1979, tek4054, tek4051, 0, tek4054, tek4054, tek4052_state, empty_init, "Tektronix", "Tektronix 4054", MACHINE_NOT_WORKING )