mirror of
https://github.com/holub/mame
synced 2025-07-05 18:08:04 +03:00
dct11em: added devices and digital display
This commit is contained in:
Robbbert
parent
7c80f66cec
commit
4266388e8e
@ -1,17 +1,28 @@
|
|||||||
// license:BSD-3-Clause
|
// license:BSD-3-Clause
|
||||||
// copyright-holders:Miodrag Milanovic
|
// copyright-holders:Miodrag Milanovic,Robbbert
|
||||||
/***************************************************************************
|
/***************************************************************************
|
||||||
|
|
||||||
DEC DCT11-EM
|
DEC DCT11-EM (Evaluation Module)
|
||||||
|
|
||||||
03/12/2010 Skeleton driver.
|
2010-12-03 Skeleton driver.
|
||||||
|
|
||||||
|
|
||||||
|
TODO:
|
||||||
|
- user LED
|
||||||
|
- keyboard (not in manual so have to guess)
|
||||||
|
- HALT and INT buttons (to HALT and PF input lines)
|
||||||
|
- DLART device to be emulated
|
||||||
|
- hookups between DLART, UART and remaining interrupts
|
||||||
|
- rs232 terminal
|
||||||
|
|
||||||
****************************************************************************/
|
****************************************************************************/
|
||||||
|
|
||||||
#include "emu.h"
|
#include "emu.h"
|
||||||
#include "cpu/t11/t11.h"
|
#include "cpu/t11/t11.h"
|
||||||
#include "emupal.h"
|
#include "machine/i8251.h"
|
||||||
#include "screen.h"
|
#include "machine/i8255.h"
|
||||||
|
#include "machine/clock.h"
|
||||||
|
#include "dct11em.lh"
|
||||||
|
|
||||||
|
|
||||||
class dct11em_state : public driver_device
|
class dct11em_state : public driver_device
|
||||||
@ -20,77 +31,167 @@ public:
|
|||||||
dct11em_state(const machine_config &mconfig, device_type type, const char *tag)
|
dct11em_state(const machine_config &mconfig, device_type type, const char *tag)
|
||||||
: driver_device(mconfig, type, tag)
|
: driver_device(mconfig, type, tag)
|
||||||
, m_maincpu(*this, "maincpu")
|
, m_maincpu(*this, "maincpu")
|
||||||
|
, m_ppi(*this, "ppi")
|
||||||
|
, m_uart(*this, "uart")
|
||||||
|
, m_digits(*this, "digit%d", 0U)
|
||||||
{ }
|
{ }
|
||||||
|
|
||||||
void dct11em(machine_config &config);
|
void dct11em(machine_config &config);
|
||||||
|
|
||||||
private:
|
private:
|
||||||
virtual void machine_reset() override;
|
void machine_reset() override;
|
||||||
virtual void video_start() override;
|
void machine_start() override;
|
||||||
|
|
||||||
void dct11em_mem(address_map &map);
|
void porta_w(u8);
|
||||||
|
void portc_w(u8);
|
||||||
|
u8 portc_r();
|
||||||
|
void irq_encoder(u8, bool);
|
||||||
|
|
||||||
uint32_t screen_update_dct11em(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
|
u8 m_seg_lower;
|
||||||
|
u8 m_seg_upper;
|
||||||
|
u8 m_portc;
|
||||||
|
u16 m_irqs;
|
||||||
|
|
||||||
|
void mem_map(address_map &map);
|
||||||
|
|
||||||
required_device<t11_device> m_maincpu;
|
required_device<t11_device> m_maincpu;
|
||||||
|
required_device<i8255_device> m_ppi;
|
||||||
|
required_device<i8251_device> m_uart;
|
||||||
|
output_finder<12> m_digits;
|
||||||
};
|
};
|
||||||
|
|
||||||
void dct11em_state::dct11em_mem(address_map &map)
|
void dct11em_state::mem_map(address_map &map)
|
||||||
{
|
{
|
||||||
map.unmap_value_high();
|
map.unmap_value_high();
|
||||||
map(0x0000, 0x0fff).ram(); // RAM
|
map(0x0000, 0x0fff).ram(); // 2x 6116
|
||||||
map(0x2000, 0x2fff).ram(); // Optional RAM
|
map(0x1000, 0x1fff).noprw(); // the ram test reads/writes here even though there's no ram
|
||||||
map(0xa000, 0xdfff).rom(); // RAM
|
map(0x2000, 0x2fff).ram(); // expansion sockets, 2x 6116
|
||||||
|
map(0xa000, 0xdfff).rom();
|
||||||
|
map(0xff20, 0xff27).lw8(NAME([this] (offs_t offset, u8 data) { m_ppi->write(offset>>1, data); }));
|
||||||
|
map(0xff28, 0xff2b).lw8(NAME([this] (offs_t offset, u8 data) { m_uart->write(offset>>1, data); }));
|
||||||
|
map(0xff60, 0xff67).lr8(NAME([this] (offs_t offset) { return m_ppi->read(offset>>1); }));
|
||||||
|
map(0xff68, 0xff6b).lr8(NAME([this] (offs_t offset) { return m_uart->read(offset>>1); }));
|
||||||
|
//map(0xff70, 0xff7f). // DC309 DLART unemulated device - uart to terminal
|
||||||
}
|
}
|
||||||
|
|
||||||
|
void dct11em_state::porta_w(u8 data)
|
||||||
|
{
|
||||||
|
m_seg_lower = data;
|
||||||
|
if (BIT(m_portc, 3))
|
||||||
|
m_seg_upper = data;
|
||||||
|
}
|
||||||
|
|
||||||
|
void dct11em_state::portc_w(u8 data)
|
||||||
|
{
|
||||||
|
data &= 15;
|
||||||
|
m_portc = data;
|
||||||
|
if (BIT(data, 3))
|
||||||
|
{
|
||||||
|
m_seg_upper = m_seg_lower;
|
||||||
|
irq_encoder(10, 0);
|
||||||
|
}
|
||||||
|
if (data < 6)
|
||||||
|
{
|
||||||
|
m_digits[data] = m_seg_lower;
|
||||||
|
m_digits[data+6] = m_seg_upper;
|
||||||
|
}
|
||||||
|
if (data == 10)
|
||||||
|
output().set_value("led0", 0);
|
||||||
|
else
|
||||||
|
if (data == 11)
|
||||||
|
output().set_value("led0", 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
u8 dct11em_state::portc_r()
|
||||||
|
{
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* interrupts (p. 101)
|
||||||
|
*
|
||||||
|
* IRQ CPx Pri Vec Device
|
||||||
|
* --- --- --- --- ------
|
||||||
|
* 15 LLLL 7 140 DLART receiver break
|
||||||
|
* 11 LHLL 6 100 External interrupt
|
||||||
|
* 10 LHLH 6 104 Keypad/LED scanning
|
||||||
|
* 7 HLLL 5 120 8251 receiver
|
||||||
|
* 6 HLLH 5 124 8251 transmitter
|
||||||
|
* 3 HHLL 4 060 DLART receiver
|
||||||
|
* 2 HHLH 4 064 DLART transmitter */
|
||||||
|
void dct11em_state::irq_encoder(u8 irq, bool state)
|
||||||
|
{
|
||||||
|
if (state)
|
||||||
|
m_irqs |= (1 << irq);
|
||||||
|
else
|
||||||
|
m_irqs &= ~(1 << irq);
|
||||||
|
|
||||||
|
int i;
|
||||||
|
for (i = 15; i > 0; i--)
|
||||||
|
if (BIT(m_irqs, i))
|
||||||
|
break;
|
||||||
|
|
||||||
|
m_maincpu->set_input_line(t11_device::CP3_LINE, BIT(i, 3) ? ASSERT_LINE : CLEAR_LINE);
|
||||||
|
m_maincpu->set_input_line(t11_device::CP2_LINE, BIT(i, 2) ? ASSERT_LINE : CLEAR_LINE);
|
||||||
|
m_maincpu->set_input_line(t11_device::CP1_LINE, BIT(i, 1) ? ASSERT_LINE : CLEAR_LINE);
|
||||||
|
m_maincpu->set_input_line(t11_device::CP0_LINE, BIT(i, 0) ? ASSERT_LINE : CLEAR_LINE);
|
||||||
|
}
|
||||||
|
|
||||||
|
void dct11em_state::machine_reset()
|
||||||
|
{
|
||||||
|
m_irqs = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void dct11em_state::machine_start()
|
||||||
|
{
|
||||||
|
m_digits.resolve();
|
||||||
|
save_item(NAME(m_seg_lower));
|
||||||
|
save_item(NAME(m_seg_upper));
|
||||||
|
save_item(NAME(m_portc));
|
||||||
|
save_item(NAME(m_irqs));
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
/* Input ports */
|
/* Input ports */
|
||||||
static INPUT_PORTS_START( dct11em )
|
static INPUT_PORTS_START( dct11em )
|
||||||
INPUT_PORTS_END
|
INPUT_PORTS_END
|
||||||
|
|
||||||
|
|
||||||
void dct11em_state::machine_reset()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
void dct11em_state::video_start()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
uint32_t dct11em_state::screen_update_dct11em(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
|
|
||||||
{
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
void dct11em_state::dct11em(machine_config &config)
|
void dct11em_state::dct11em(machine_config &config)
|
||||||
{
|
{
|
||||||
/* basic machine hardware */
|
/* basic machine hardware */
|
||||||
T11(config, m_maincpu, 7500000); // 7.5MHz XTAL
|
T11(config, m_maincpu, 7'500'000); // 7.5MHz XTAL
|
||||||
m_maincpu->set_initial_mode(0x1403); /* according to specs */
|
m_maincpu->set_initial_mode(0x1403); /* according to specs */
|
||||||
m_maincpu->set_addrmap(AS_PROGRAM, &dct11em_state::dct11em_mem);
|
m_maincpu->set_addrmap(AS_PROGRAM, &dct11em_state::mem_map);
|
||||||
|
|
||||||
/* video hardware */
|
config.set_default_layout(layout_dct11em);
|
||||||
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
|
|
||||||
screen.set_refresh_hz(50);
|
|
||||||
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); /* not accurate */
|
|
||||||
screen.set_size(640, 480);
|
|
||||||
screen.set_visarea(0, 640-1, 0, 480-1);
|
|
||||||
screen.set_screen_update(FUNC(dct11em_state::screen_update_dct11em));
|
|
||||||
screen.set_palette("palette");
|
|
||||||
|
|
||||||
PALETTE(config, "palette", palette_device::MONOCHROME);
|
I8255(config, m_ppi);
|
||||||
|
m_ppi->out_pa_callback().set(FUNC(dct11em_state::porta_w)); // segments
|
||||||
|
// port B - expansion interface
|
||||||
|
m_ppi->in_pc_callback().set(FUNC(dct11em_state::portc_r)); // keyboard
|
||||||
|
m_ppi->out_pc_callback().set(FUNC(dct11em_state::portc_w)); // various
|
||||||
|
|
||||||
|
I8251(config, m_uart, 2'457'600 / 8);
|
||||||
|
// txc and rxc come from DLART pin 34
|
||||||
|
|
||||||
|
clock_device &inta_clock(CLOCK(config, "inta_clock", 614'400 / 768)); // 800Hz, from DLART pin 25
|
||||||
|
inta_clock.signal_handler().set([this] (bool state) { if (state) irq_encoder(10, 1); });
|
||||||
|
|
||||||
|
//clock_device &dlart_clock(CLOCK(config, "dlart_clock", 7'500'000 / 4)); --> to DLART CLK pin 32
|
||||||
|
|
||||||
|
//clock_device &uart_clock(CLOCK(config, "uart_clock", 2'457'600 / 8)); --> to UART CLK
|
||||||
}
|
}
|
||||||
|
|
||||||
/* ROM definition */
|
/* ROM definition */
|
||||||
ROM_START( dct11em )
|
ROM_START( dct11em )
|
||||||
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
|
ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
|
||||||
// Highest address line inverted
|
// Highest address line inverted
|
||||||
ROM_LOAD16_BYTE( "23-213e4.bin", 0x8000, 0x2000, CRC(bdd82f39) SHA1(347deeff77596b67eee27a39a9c40075fcf5c10d))
|
ROM_LOAD16_BYTE( "23-213e4.e53", 0x8000, 0x2000, CRC(bdd82f39) SHA1(347deeff77596b67eee27a39a9c40075fcf5c10d))
|
||||||
ROM_LOAD16_BYTE( "23-214e4.bin", 0x8001, 0x2000, CRC(b523dae8) SHA1(cd1a64a2bce9730f7a9177d391663919c7f56073))
|
ROM_LOAD16_BYTE( "23-214e4.e45", 0x8001, 0x2000, CRC(b523dae8) SHA1(cd1a64a2bce9730f7a9177d391663919c7f56073))
|
||||||
ROM_COPY("maincpu", 0x8000, 0xc000, 0x2000)
|
ROM_COPY("maincpu", 0x8000, 0xc000, 0x2000)
|
||||||
ROM_END
|
ROM_END
|
||||||
|
|
||||||
/* Driver */
|
/* Driver */
|
||||||
|
|
||||||
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
|
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
|
||||||
COMP( 1983, dct11em, 0, 0, dct11em, dct11em, dct11em_state, empty_init, "Digital Equipment Corporation", "DCT11-EM", MACHINE_NOT_WORKING | MACHINE_NO_SOUND)
|
COMP( 1983, dct11em, 0, 0, dct11em, dct11em, dct11em_state, empty_init, "Digital Equipment Corporation", "DCT11-EM", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW | MACHINE_SUPPORTS_SAVE )
|
||||||
|
|||||||
60
src/mame/layout/dct11em.lay
Normal file
60
src/mame/layout/dct11em.lay
Normal file
@ -0,0 +1,60 @@
|
|||||||
|
<?xml version="1.0"?>
|
||||||
|
<!--
|
||||||
|
license:CC0
|
||||||
|
-->
|
||||||
|
<mamelayout version="2">
|
||||||
|
<element name="digit" defstate="0">
|
||||||
|
<led7seg>
|
||||||
|
<color red="0.75" green="0.0" blue="0.0" />
|
||||||
|
</led7seg>
|
||||||
|
</element>
|
||||||
|
<element name="background">
|
||||||
|
<rect>
|
||||||
|
<bounds left="0" top="0" right="1" bottom="1" />
|
||||||
|
<color red="0.0" green="0.0" blue="0.0" />
|
||||||
|
</rect>
|
||||||
|
</element>
|
||||||
|
|
||||||
|
<view name="Default Layout">
|
||||||
|
<!-- Black background -->
|
||||||
|
<bezel element="background">
|
||||||
|
<bounds left="97" top="0" right="405" bottom="195" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit11" element="digit">
|
||||||
|
<bounds left="107" top="10" right="155" bottom="90" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit10" element="digit">
|
||||||
|
<bounds left="155" top="10" right="203" bottom="90" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit9" element="digit">
|
||||||
|
<bounds left="203" top="10" right="251" bottom="90" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit8" element="digit">
|
||||||
|
<bounds left="251" top="10" right="299" bottom="90" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit7" element="digit">
|
||||||
|
<bounds left="299" top="10" right="347" bottom="90" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit6" element="digit">
|
||||||
|
<bounds left="347" top="10" right="395" bottom="90" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit5" element="digit">
|
||||||
|
<bounds left="107" top="105" right="155" bottom="185" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit4" element="digit">
|
||||||
|
<bounds left="155" top="105" right="203" bottom="185" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit3" element="digit">
|
||||||
|
<bounds left="203" top="105" right="251" bottom="185" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit2" element="digit">
|
||||||
|
<bounds left="251" top="105" right="299" bottom="185" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit1" element="digit">
|
||||||
|
<bounds left="299" top="105" right="347" bottom="185" />
|
||||||
|
</bezel>
|
||||||
|
<bezel name="digit0" element="digit">
|
||||||
|
<bounds left="347" top="105" right="395" bottom="185" />
|
||||||
|
</bezel>
|
||||||
|
</view>
|
||||||
|
</mamelayout>
|
||||||
Loading…
Reference in New Issue
Block a user