diff options
Diffstat (limited to 'src/mame/drivers/tek405x.c')
-rw-r--r-- | src/mame/drivers/tek405x.c | 1252 |
1 files changed, 1252 insertions, 0 deletions
diff --git a/src/mame/drivers/tek405x.c b/src/mame/drivers/tek405x.c new file mode 100644 index 00000000000..767d5399d8d --- /dev/null +++ b/src/mame/drivers/tek405x.c @@ -0,0 +1,1252 @@ +// 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 "includes/tek405x.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 +//************************************************************************** + +//------------------------------------------------- +// update_irq - +//------------------------------------------------- + +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); +} + + +//------------------------------------------------- +// update_nmi - +//------------------------------------------------- + +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 +//************************************************************************** + +//------------------------------------------------- +// scan_keyboard - scan keyboard +//------------------------------------------------- + +void tek4051_state::scan_keyboard() +{ +} + + +//------------------------------------------------- +// TIMER_DEVICE_CALLBACK_MEMBER( keyboard_tick ) +//------------------------------------------------- + +TIMER_DEVICE_CALLBACK_MEMBER(tek4051_state::keyboard_tick) +{ + scan_keyboard(); +} + + + +//************************************************************************** +// MEMORY BANKING +//************************************************************************** + +//------------------------------------------------- +// bankswitch - +//------------------------------------------------- + +void tek4051_state::bankswitch(UINT8 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 +//************************************************************************** + +//------------------------------------------------- +// ADDRESS_MAP( tek4051_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( tek4051_mem, AS_PROGRAM, 8, tek4051_state ) + AM_RANGE(0x0000, 0x1fff) AM_RAM + AM_RANGE(0x2000, 0x7fff) AM_RAM // optional RAM + AM_RANGE(0x8000, 0x877f) AM_ROM AM_REGION(MC6800_TAG, 0) + AM_RANGE(0x878c, 0x878f) AM_DEVREADWRITE(MC6820_Y_TAG, pia6821_device, read, write) + AM_RANGE(0x8794, 0x8797) AM_DEVREADWRITE(MC6820_X_TAG, pia6821_device, read, write) + AM_RANGE(0x8798, 0x879b) AM_DEVREADWRITE(MC6820_TAPE_TAG, pia6821_device, read, write) + AM_RANGE(0x87a8, 0x87ab) AM_DEVREADWRITE(MC6820_KB_TAG, pia6821_device, read, write) + AM_RANGE(0x87b0, 0x87b3) AM_DEVREADWRITE(MC6820_GPIB_TAG, pia6821_device, read, write) + AM_RANGE(0x87c0, 0x87c0) AM_MIRROR(0x03) AM_WRITE(lbs_w) +// AM_RANGE(0x87c0, 0x87c3) AM_DEVREADWRITE(MC6820_COM_TAG, pia6821_device, read, write) +// AM_RANGE(0x87c4, 0x87c4) AM_MIRROR(0x02) AM_DEVREADWRITE(MC6850_TAG, acia6850_device, status_r, control_w) +// AM_RANGE(0x87c5, 0x87c5) AM_MIRROR(0x02) AM_DEVREADWRITE(MC6850_TAG, acia6850_device, data_r, data_w) +// AM_RANGE(0x87c8, 0x87cb) XPC2 +// AM_RANGE(0x87cc, 0x87cf) XPC3 +// AM_RANGE(0x87d0, 0x87d3) XPC4 + AM_RANGE(0x8800, 0xa7ff) AM_ROM AM_REGION(MC6800_TAG, 0x800) + AM_RANGE(0xa800, 0xffff) AM_ROM AM_REGION(MC6800_TAG, 0x2800) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( tek4052_mem ) +//------------------------------------------------- + +static ADDRESS_MAP_START( tek4052_mem, AS_PROGRAM, 8, tek4052_state ) +ADDRESS_MAP_END + + + +//************************************************************************** +// INPUT PORTS +//************************************************************************** + +//------------------------------------------------- +// INPUT_PORTS( tek4051 ) +//------------------------------------------------- + +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 data = 0; + UINT8 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 data = 0; + UINT8 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 + output_set_led_value(1, !BIT(data, 5)); + output_set_led_value(2, !BIT(data, 6)); + output_set_led_value(3, !BIT(data, 7)); + + // end or identify + m_gpib->eoi_w(!BIT(data, 4)); + + // speaker + m_speaker->level_w(!BIT(data, 7)); + + // remote enable + m_gpib->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->dio_w(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 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->eoi_w(!BIT(data, 0)); + + // interface clear + m_gpib->ifc_w(!BIT(data, 1)); + + // attention + m_gpib->atn_w(BIT(data, 3)); + + if (m_talk) + { + // not ready for data + m_gpib->nrfd_w(!BIT(data, 4)); + + // not data acknowledged + m_gpib->ndac_w(!BIT(data, 7)); + } +} + +WRITE_LINE_MEMBER( tek4051_state::talk_w ) +{ + m_talk = state; + + if (!m_talk) + { + m_gpib->dio_w(0xff); + m_gpib->nrfd_w(1); + m_gpib->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 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 +//************************************************************************** + +//------------------------------------------------- +// MACHINE_START( tek4051 ) +//------------------------------------------------- + +void tek4051_state::machine_start() +{ + 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 +} + + +//------------------------------------------------- +// MACHINE_START( tek4052 ) +//------------------------------------------------- + +void tek4052_state::machine_start() +{ +} + + + +//************************************************************************** +// MACHINE CONFIGURATION +//************************************************************************** + +//------------------------------------------------- +// MACHINE_CONFIG( tek4051 ) +//------------------------------------------------- + +static MACHINE_CONFIG_START( tek4051, tek4051_state ) + // basic machine hardware + MCFG_CPU_ADD(MC6800_TAG, M6800, XTAL_12_5MHz/15) + MCFG_CPU_PROGRAM_MAP(tek4051_mem) + + // video hardware + MCFG_VECTOR_ADD("vector") + MCFG_SCREEN_ADD(SCREEN_TAG, VECTOR) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not accurate + MCFG_SCREEN_SIZE(1024, 780) + MCFG_SCREEN_VISIBLE_AREA(0, 1024-1, 0, 780-1) + MCFG_SCREEN_UPDATE_DEVICE("vector", vector_device, screen_update) + + MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette") + + // sound hardware + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + // devices + MCFG_TIMER_DRIVER_ADD_PERIODIC("keyboard", tek4051_state, keyboard_tick, attotime::from_hz(XTAL_12_5MHz/15/4)) + + MCFG_DEVICE_ADD(MC6820_X_TAG, PIA6821, 0) + MCFG_PIA_READPA_HANDLER(READ8(tek4051_state, x_pia_pa_r)) + // CB1 viewcause + MCFG_PIA_WRITEPA_HANDLER(WRITE8(tek4051_state, x_pia_pa_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(tek4051_state, x_pia_pb_w)) + MCFG_PIA_CA2_HANDLER(WRITELINE(tek4051_state, adot_w)) + MCFG_PIA_CB2_HANDLER(WRITELINE(tek4051_state, bufclk_w)) + MCFG_PIA_IRQA_HANDLER(WRITELINE(tek4051_state, x_pia_irqa_w)) + MCFG_PIA_IRQB_HANDLER(WRITELINE(tek4051_state, x_pia_irqb_w)) + + MCFG_DEVICE_ADD(MC6820_Y_TAG, PIA6821, 0) + MCFG_PIA_READPA_HANDLER(READ8(tek4051_state, sa_r)) + // CA1 rdbyte + // CB1 mdata + // CB2 fmark + MCFG_PIA_WRITEPA_HANDLER(WRITE8(tek4051_state, y_pia_pa_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(tek4051_state, sb_w)) + MCFG_PIA_CA2_HANDLER(WRITELINE(tek4051_state, sot_w)) + MCFG_PIA_IRQA_HANDLER(WRITELINE(tek4051_state, y_pia_irqa_w)) + MCFG_PIA_IRQB_HANDLER(WRITELINE(tek4051_state, y_pia_irqb_w)) + + MCFG_DEVICE_ADD(MC6820_KB_TAG, PIA6821, 0) + MCFG_PIA_READPA_HANDLER(READ8(tek4051_state, kb_pia_pa_r)) + MCFG_PIA_READPB_HANDLER(READ8(tek4051_state, kb_pia_pb_r)) + // CA1 key + MCFG_PIA_WRITEPB_HANDLER(WRITE8(tek4051_state, kb_pia_pb_w)) + MCFG_PIA_CA2_HANDLER(WRITELINE(tek4051_state, kb_halt_w)) + MCFG_PIA_IRQA_HANDLER(WRITELINE(tek4051_state, kb_pia_irqa_w)) + MCFG_PIA_IRQB_HANDLER(WRITELINE(tek4051_state, kb_pia_irqb_w)) + + MCFG_DEVICE_ADD(MC6820_TAPE_TAG, PIA6821, 0) + MCFG_PIA_READPA_HANDLER(READ8(tek4051_state, tape_pia_pa_r)) + // CA1 rmark + // CB1 lohole + // CA2 filfnd + // CB2 uphole + MCFG_PIA_WRITEPA_HANDLER(WRITE8(tek4051_state, tape_pia_pa_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(tek4051_state, tape_pia_pb_w)) + MCFG_PIA_IRQA_HANDLER(WRITELINE(tek4051_state, tape_pia_irqa_w)) + MCFG_PIA_IRQB_HANDLER(WRITELINE(tek4051_state, tape_pia_irqb_w)) + + MCFG_DEVICE_ADD(MC6820_GPIB_TAG, PIA6821, 0) + MCFG_PIA_READPA_HANDLER(DEVREAD8(IEEE488_TAG, ieee488_device, dio_r)) + MCFG_PIA_READPB_HANDLER(READ8(tek4051_state, gpib_pia_pb_r)) + MCFG_PIA_WRITEPA_HANDLER(WRITE8(tek4051_state, dio_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(tek4051_state, gpib_pia_pb_w)) + MCFG_PIA_CB2_HANDLER(WRITELINE(tek4051_state, talk_w)) + MCFG_PIA_IRQA_HANDLER(WRITELINE(tek4051_state, gpib_pia_irqa_w)) + MCFG_PIA_IRQB_HANDLER(WRITELINE(tek4051_state, gpib_pia_irqb_w)) + + MCFG_DEVICE_ADD(MC6820_COM_TAG, PIA6821, 0) + MCFG_PIA_READPB_HANDLER(READ8(tek4051_state, com_pia_pb_r)) + //CA1 - SRX (RS-232 pin 12) + MCFG_PIA_WRITEPA_HANDLER(WRITE8(tek4051_state, com_pia_pa_w)) + MCFG_PIA_WRITEPB_HANDLER(WRITE8(tek4051_state, com_pia_pb_w)) + MCFG_PIA_IRQA_HANDLER(WRITELINE(tek4051_state, com_pia_irqa_w)) + MCFG_PIA_IRQB_HANDLER(WRITELINE(tek4051_state, com_pia_irqb_w)) + + MCFG_DEVICE_ADD(MC6850_TAG, ACIA6850, 0) + MCFG_ACIA6850_IRQ_HANDLER(WRITELINE(tek4051_state, acia_irq_w)) + + MCFG_DEVICE_ADD("acia_clock", CLOCK, 38400) + MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(tek4051_state, write_acia_clock)) + + MCFG_IEEE488_BUS_ADD() + MCFG_IEEE488_EOI_CALLBACK(DEVWRITELINE(MC6820_GPIB_TAG, pia6821_device, ca1_w)) + MCFG_IEEE488_SRQ_CALLBACK(DEVWRITELINE(MC6820_GPIB_TAG, pia6821_device, cb1_w)) + + // internal ram + MCFG_RAM_ADD(RAM_TAG) + MCFG_RAM_DEFAULT_SIZE("8K") + MCFG_RAM_EXTRA_OPTIONS("16K,24K,32K") + + // cartridge + MCFG_GENERIC_CARTSLOT_ADD("cartslot1", generic_plain_slot, "tek4050_cart") + MCFG_GENERIC_CARTSLOT_ADD("cartslot2", generic_plain_slot, "tek4050_cart") +MACHINE_CONFIG_END + + +//------------------------------------------------- +// MACHINE_CONFIG( tek4052 ) +//------------------------------------------------- + +static MACHINE_CONFIG_START( tek4052, tek4052_state ) + // basic machine hardware + MCFG_CPU_ADD(AM2901A_TAG, M6800, 1000000) // should be 4x AM2901A + AM2911 + MCFG_CPU_PROGRAM_MAP(tek4052_mem) + + // video hardware + MCFG_VECTOR_ADD("vector") + MCFG_SCREEN_ADD(SCREEN_TAG, VECTOR) + MCFG_SCREEN_REFRESH_RATE(50) + MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500)) // not accurate + MCFG_SCREEN_SIZE(1024, 780) + MCFG_SCREEN_VISIBLE_AREA(0, 1024-1, 0, 780-1) + MCFG_SCREEN_UPDATE_DEVICE("vector", vector_device, screen_update) + + MCFG_PALETTE_ADD_MONOCHROME_GREEN("palette") + + // sound hardware + MCFG_SPEAKER_STANDARD_MONO("mono") + MCFG_SOUND_ADD("speaker", SPEAKER_SOUND, 0) + MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25) + + // internal ram + MCFG_RAM_ADD(RAM_TAG) + MCFG_RAM_DEFAULT_SIZE("32K") + MCFG_RAM_EXTRA_OPTIONS("64K") + + // cartridge + MCFG_GENERIC_CARTSLOT_ADD("cartslot1", generic_plain_slot, "tek4050_cart") + MCFG_GENERIC_CARTSLOT_ADD("cartslot2", generic_plain_slot, "tek4050_cart") + + // software lists + MCFG_SOFTWARE_LIST_ADD("cart_list", "tek4052_cart") +MACHINE_CONFIG_END + + +//------------------------------------------------- +// MACHINE_CONFIG( tek4054 ) +//------------------------------------------------- +/* +static MACHINE_CONFIG_START( tek4054, tek4052_state ) + MCFG_SCREEN_SIZE(4096, 3125) + MCFG_SCREEN_VISIBLE_AREA(0, 4096-1, 0, 3125-1) +MACHINE_CONFIG_END +*/ + + + +//************************************************************************** +// ROMS +//************************************************************************** + +//------------------------------------------------- +// ROM( tek4051 ) +//------------------------------------------------- + +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( tek4052a ) +//------------------------------------------------- + +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 INIT COMPANY FULLNAME FLAGS */ +COMP( 1975, tek4051, 0, 0, tek4051, tek4051, driver_device, 0, "Tektronix", "Tektronix 4051", MACHINE_NOT_WORKING ) +COMP( 1978, tek4052a, tek4051, 0, tek4052, tek4051, driver_device, 0, "Tektronix", "Tektronix 4052A", MACHINE_NOT_WORKING ) +//COMP( 1979, tek4054, tek4051, 0, tek4054, tek4054, driver_device, 0, "Tektronix", "Tektronix 4054", MACHINE_NOT_WORKING ) |