summaryrefslogtreecommitdiffstats
path: root/src/mame/drivers/s11a.cpp
diff options
context:
space:
mode:
author Miodrag Milanovic <mmicko@gmail.com>2016-10-22 13:13:17 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2016-10-22 13:13:17 +0200
commitddb290d5f615019c33c42b8d94e5a5254cabcf33 (patch)
treea70f688b0df3acd19da7b1151e5902e3c6af3fa5 /src/mame/drivers/s11a.cpp
parent333bff8de64dfaeb98134000412796b4fdef970b (diff)
NOTICE (TYPE NAME CONSOLIDATION)
Use standard uint64_t, uint32_t, uint16_t or uint8_t instead of UINT64, UINT32, UINT16 or UINT8 also use standard int64_t, int32_t, int16_t or int8_t instead of INT64, INT32, INT16 or INT8
Diffstat (limited to 'src/mame/drivers/s11a.cpp')
-rw-r--r--src/mame/drivers/s11a.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/s11a.cpp b/src/mame/drivers/s11a.cpp
index e53d0b28a0b..deace020d64 100644
--- a/src/mame/drivers/s11a.cpp
+++ b/src/mame/drivers/s11a.cpp
@@ -160,7 +160,7 @@ WRITE8_MEMBER( s11a_state::bgbank_w )
DRIVER_INIT_MEMBER( s11a_state, s11a )
{
- UINT8 *BGROM = memregion("bgcpu")->base();
+ uint8_t *BGROM = memregion("bgcpu")->base();
membank("bgbank")->configure_entries(0, 4, &BGROM[0x10000], 0x8000);
membank("bgbank")->set_entry(0);
s11_state::init_s11();
n155'>155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577
// license:BSD-3-Clause
// copyright-holders:Curt Coder
/*

    COSMICOS

    http://retro.hansotten.nl/index.php?page=1802-cosmicos

    Press G to start, and to enable the debugger (if -debug used).
    The video options include 8-digit LEDs, 2-digit LEDs, and CRT,
    of which the default is the 8-digit LEDs. Unknown how to enable
    the others.

    HEX-monitor

    0 - start user program
    1 - inspect and/or change memory
    2 - write memory block to cassette
    3 - read memory block from cassette
    4 - move memory block
    5 - write memory block to EPROM
    C - start user program from address 0000

*/

/*

    TODO:

    - display interface INH
    - 2 segment display
    - single step
    - ascii monitor
    - PPI 8255
    - Floppy WD1793
    - COM8017 UART to printer

*/

#include "emu.h"
#include "includes/cosmicos.h"

#include "screen.h"
#include "speaker.h"
#include "sound/wave.h"

#include "cosmicos.lh"


enum
{
	MODE_RUN,
	MODE_LOAD,
	MODE_PAUSE,
	MODE_RESET
};

/* Read/Write Handlers */

READ8_MEMBER( cosmicos_state::read )
{
	if (m_boot) offset |= 0xc000;

	uint8_t data = 0;

	if (offset < 0xc000)
	{
		// TODO
	}
	else if (offset < 0xd000)
	{
		data = m_rom->base()[offset & 0xfff];
	}
	else if (!m_ram_disable && (offset >= 0xff00))
	{
		data = m_ram->pointer()[offset & 0xff];
	}

	return data;
}

WRITE8_MEMBER( cosmicos_state::write )
{
	if (m_boot) offset |= 0xc000;

	if (offset < 0xc000)
	{
		// TODO
	}
	else if (!m_ram_disable && !m_ram_protect && (offset >= 0xff00))
	{
		m_ram->pointer()[offset & 0xff] = data;
	}
}

READ8_MEMBER( cosmicos_state::video_off_r )
{
	uint8_t data = 0;

	if (!m_q)
	{
		data = m_cti->dispoff_r(space, 0);
	}

	return data;
}

READ8_MEMBER( cosmicos_state::video_on_r )
{
	uint8_t data = 0;

	if (!m_q)
	{
		data = m_cti->dispon_r(space, 0);
	}

	return data;
}

WRITE8_MEMBER( cosmicos_state::audio_latch_w )
{
	if (m_q)
	{
		m_cti->tone_latch_w(space, 0, data);
	}
}

READ8_MEMBER( cosmicos_state::hex_keyboard_r )
{
	uint8_t data = 0;
	int i;

	for (i = 0; i < 4; i++)
	{
		if (BIT(m_keylatch, i))
		{
			uint8_t keydata = m_key_row[i]->read();

			if (BIT(keydata, 0)) data |= 0x01;
			if (BIT(keydata, 1)) data |= 0x02;
			if (BIT(keydata, 2)) data |= 0x04;
			if (BIT(keydata, 3)) data |= 0x06;
		}
	}

	return data;
}

WRITE8_MEMBER( cosmicos_state::hex_keylatch_w )
{
	m_keylatch = data & 0x0f;
}

READ8_MEMBER( cosmicos_state::reset_counter_r )
{
	m_counter = 0;

	return 0;
}

WRITE8_MEMBER( cosmicos_state::segment_w )
{
	m_counter++;

	if (m_counter == 10)
	{
		m_counter = 0;
	}

	if ((m_counter > 0) && (m_counter < 9))
	{
		m_digits[10 - m_counter] = data;
	}
}

READ8_MEMBER( cosmicos_state::data_r )
{
	return m_data;
}

WRITE8_MEMBER( cosmicos_state::display_w )
{
	m_segment = data;
}

/* Memory Maps */

void cosmicos_state::cosmicos_mem(address_map &map)
{
	map(0x0000, 0xffff).rw(FUNC(cosmicos_state::read), FUNC(cosmicos_state::write));
}

void cosmicos_state::cosmicos_io(address_map &map)
{
//  AM_RANGE(0x00, 0x00)
	map(0x01, 0x01).r(FUNC(cosmicos_state::video_on_r));
	map(0x02, 0x02).rw(FUNC(cosmicos_state::video_off_r), FUNC(cosmicos_state::audio_latch_w));
//  AM_RANGE(0x03, 0x03)
//  AM_RANGE(0x04, 0x04)
	map(0x05, 0x05).rw(FUNC(cosmicos_state::hex_keyboard_r), FUNC(cosmicos_state::hex_keylatch_w));
	map(0x06, 0x06).rw(FUNC(cosmicos_state::reset_counter_r), FUNC(cosmicos_state::segment_w));
	map(0x07, 0x07).rw(FUNC(cosmicos_state::data_r), FUNC(cosmicos_state::display_w));
}

/* Input Ports */

INPUT_CHANGED_MEMBER( cosmicos_state::data )
{
	uint8_t data = m_io_data->read();
	int i;

	for (i = 0; i < 8; i++)
	{
		if (!BIT(data, i))
		{
			m_data |= (1 << i);
			m_leds[LED_D0 - i] = 1;
		}
	}
}

INPUT_CHANGED_MEMBER( cosmicos_state::enter )
{
	if (!newval && !m_wait && !m_clear)
	{
		m_maincpu->set_input_line(COSMAC_INPUT_LINE_DMAIN, ASSERT_LINE);
	}
}

INPUT_CHANGED_MEMBER( cosmicos_state::single_step )
{
	// if in PAUSE mode, set RUN mode until TPB=active
}

void cosmicos_state::set_cdp1802_mode(int mode)
{
	m_leds[LED_RUN] = 0;
	m_leds[LED_LOAD] = 0;
	m_leds[LED_PAUSE] = 0;
	m_leds[LED_RESET] = 0;

	switch (mode)
	{
	case MODE_RUN:
		m_leds[LED_RUN] = 1;

		m_wait = 1;
		m_clear = 1;
		break;

	case MODE_LOAD:
		m_leds[LED_LOAD] = 1;

		m_wait = 0;
		m_clear = 0;
		break;

	case MODE_PAUSE:
		m_leds[LED_PAUSE] = 1;

		m_wait = 1;
		m_clear = 0;
		break;

	case MODE_RESET:
		m_maincpu->set_input_line(COSMAC_INPUT_LINE_INT, CLEAR_LINE);
		m_maincpu->set_input_line(COSMAC_INPUT_LINE_DMAIN, CLEAR_LINE);

		m_wait = 1;
		m_clear = 0;
		m_boot = 1;

		m_leds[LED_RESET] = 1;
		break;
	}
}

INPUT_CHANGED_MEMBER( cosmicos_state::run )             { if (!newval) set_cdp1802_mode(MODE_RUN); }
INPUT_CHANGED_MEMBER( cosmicos_state::load )            { if (!newval) set_cdp1802_mode(MODE_LOAD); }
INPUT_CHANGED_MEMBER( cosmicos_state::cosmicos_pause )  { if (!newval) set_cdp1802_mode(MODE_PAUSE); }
INPUT_CHANGED_MEMBER( cosmicos_state::reset )           { if (!newval) set_cdp1802_mode(MODE_RESET); }

void cosmicos_state::clear_input_data()
{
	int i;

	m_data = 0;

	for (i = 0; i < 8; i++)
	{
		m_leds[LED_D0 - i] = 0;
	}
}

INPUT_CHANGED_MEMBER( cosmicos_state::clear_data )
{
	clear_input_data();
}

INPUT_CHANGED_MEMBER( cosmicos_state::memory_protect )
{
	m_ram_protect = newval;
}

INPUT_CHANGED_MEMBER( cosmicos_state::memory_disable )
{
	m_ram_disable = newval;
}

static INPUT_PORTS_START( cosmicos )
	PORT_START("DATA")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D0") PORT_CODE(KEYCODE_0_PAD) PORT_CHAR('0') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D1") PORT_CODE(KEYCODE_1_PAD) PORT_CHAR('1') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D2") PORT_CODE(KEYCODE_2_PAD) PORT_CHAR('2') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D3") PORT_CODE(KEYCODE_3_PAD) PORT_CHAR('3') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D4") PORT_CODE(KEYCODE_4_PAD) PORT_CHAR('4') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D5") PORT_CODE(KEYCODE_5_PAD) PORT_CHAR('5') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D6") PORT_CODE(KEYCODE_6_PAD) PORT_CHAR('6') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("D7") PORT_CODE(KEYCODE_7_PAD) PORT_CHAR('7') PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, data, 0)

	PORT_START("BUTTONS")
	PORT_BIT( 0x001, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_ENTER_PAD) PORT_NAME("Enter") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, enter, 0)
	PORT_BIT( 0x002, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_SPACE) PORT_NAME("Single Step") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, single_step, 0)
	PORT_BIT( 0x004, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_G) PORT_NAME("Run") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, run, 0)
	PORT_BIT( 0x008, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_L) PORT_NAME("Load") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, load, 0)
	PORT_BIT( 0x010, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_S) PORT_NAME(DEF_STR( Pause )) PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, cosmicos_pause, 0)
	PORT_BIT( 0x020, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_R) PORT_NAME("Reset") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, reset, 0)
	PORT_BIT( 0x040, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_DEL_PAD) PORT_NAME("Clear Data") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, clear_data, 0)
	PORT_BIT( 0x080, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_M) PORT_NAME("Memory Protect") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, memory_protect, 0) PORT_TOGGLE
	PORT_BIT( 0x100, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_N) PORT_NAME("Memory Disable") PORT_CHANGED_MEMBER(DEVICE_SELF, cosmicos_state, memory_disable, 0) PORT_TOGGLE

	PORT_START("Y1")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1')
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3')

	PORT_START("Y2")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4')
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5')
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7')

	PORT_START("Y3")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8')
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9')
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B')

	PORT_START("Y4")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C')
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D')
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E')
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F')

	PORT_START("SPECIAL")
	PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("RET") PORT_CODE(KEYCODE_F1)
	PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("DEC") PORT_CODE(KEYCODE_F2)
	PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("REQ") PORT_CODE(KEYCODE_F3)
	PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD ) PORT_NAME("SEQ") PORT_CODE(KEYCODE_F4)
INPUT_PORTS_END

/* Video */

TIMER_DEVICE_CALLBACK_MEMBER(cosmicos_state::digit_tick)
{
	m_digit ^= 1;

	m_digits[m_digit] = m_segment;
}

TIMER_DEVICE_CALLBACK_MEMBER(cosmicos_state::int_tick)
{
	m_maincpu->set_input_line(COSMAC_INPUT_LINE_INT, ASSERT_LINE);
}

WRITE_LINE_MEMBER( cosmicos_state::dmaout_w )
{
	m_dmaout = state;
}

WRITE_LINE_MEMBER( cosmicos_state::efx_w )
{
	m_efx = state;
}

/* CDP1802 Configuration */

READ_LINE_MEMBER( cosmicos_state::wait_r )
{
	return m_wait;
}

READ_LINE_MEMBER( cosmicos_state::clear_r )
{
	return m_clear;
}

READ_LINE_MEMBER( cosmicos_state::ef1_r )
{
	uint8_t special = m_special->read();

	return BIT(special, 0);
}

READ_LINE_MEMBER( cosmicos_state::ef2_r )
{
	uint8_t special = m_special->read();
	int casin = (m_cassette)->input() < 0.0;

	m_leds[LED_CASSETTE] = casin;

	return BIT(special, 1) | BIT(special, 3) | casin;
}

READ_LINE_MEMBER( cosmicos_state::ef3_r )
{
	uint8_t special = m_special->read();

	return BIT(special, 2) | BIT(special, 3);
}

READ_LINE_MEMBER( cosmicos_state::ef4_r )
{
	return BIT(m_buttons->read(), 0);
}

WRITE_LINE_MEMBER( cosmicos_state::q_w )
{
	/* cassette */
	m_cassette->output(state ? +1.0 : -1.0);

	/* boot */
	if (state) m_boot = 0;

	/* CDP1864 audio enable */
	m_cti->aoe_w(state);

	m_q = state;
}

READ8_MEMBER( cosmicos_state::dma_r )
{
	return m_data;
}

WRITE8_MEMBER( cosmicos_state::sc_w )
{
	int sc1 = BIT(data, 1);

	if (m_sc1 && !sc1)
	{
		clear_input_data();
	}

	if (sc1)
	{
		m_maincpu->set_input_line(COSMAC_INPUT_LINE_INT, CLEAR_LINE);
		m_maincpu->set_input_line(COSMAC_INPUT_LINE_DMAIN, CLEAR_LINE);
	}

	m_sc1 = sc1;
}

/* Machine Initialization */

void cosmicos_state::machine_start()
{
	m_digits.resolve();
	m_leds.resolve();

	/* initialize LED display */
	m_led->rbi_w(1);

	/* register for state saving */
	save_item(NAME(m_wait));
	save_item(NAME(m_clear));
	save_item(NAME(m_sc1));
	save_item(NAME(m_data));
	save_item(NAME(m_boot));
	save_item(NAME(m_ram_protect));
	save_item(NAME(m_ram_disable));
	save_item(NAME(m_keylatch));
	save_item(NAME(m_segment));
	save_item(NAME(m_digit));
	save_item(NAME(m_counter));
	save_item(NAME(m_q));
	save_item(NAME(m_dmaout));
	save_item(NAME(m_efx));
	save_item(NAME(m_video_on));
}

void cosmicos_state::machine_reset()
{
	set_cdp1802_mode(MODE_RESET);
}

/* Quickload */

QUICKLOAD_LOAD_MEMBER(cosmicos_state::quickload_cb)
{
	uint8_t *ptr = m_rom->base();
	int size = image.length();

	/* load image to RAM */
	image.fread(ptr, size);

	return image_init_result::PASS;
}

/* Machine Driver */

void cosmicos_state::cosmicos(machine_config &config)
{
	/* basic machine hardware */
	CDP1802(config, m_maincpu, 1.75_MHz_XTAL);
	m_maincpu->set_addrmap(AS_PROGRAM, &cosmicos_state::cosmicos_mem);
	m_maincpu->set_addrmap(AS_IO, &cosmicos_state::cosmicos_io);
	m_maincpu->wait_cb().set(FUNC(cosmicos_state::wait_r));
	m_maincpu->clear_cb().set(FUNC(cosmicos_state::clear_r));
	m_maincpu->ef1_cb().set(FUNC(cosmicos_state::ef1_r));
	m_maincpu->ef2_cb().set(FUNC(cosmicos_state::ef2_r));
	m_maincpu->ef3_cb().set(FUNC(cosmicos_state::ef3_r));
	m_maincpu->ef4_cb().set(FUNC(cosmicos_state::ef4_r));
	m_maincpu->q_cb().set(FUNC(cosmicos_state::q_w));
	m_maincpu->dma_rd_cb().set(FUNC(cosmicos_state::dma_r));
	m_maincpu->sc_cb().set(FUNC(cosmicos_state::sc_w));

	/* video hardware */
	config.set_default_layout(layout_cosmicos);
	DM9368(config, m_led, 0);
	TIMER(config, "digit").configure_periodic(FUNC(cosmicos_state::digit_tick), attotime::from_hz(100));
	TIMER(config, "interrupt").configure_periodic(FUNC(cosmicos_state::int_tick), attotime::from_hz(1000));

	SCREEN(config, SCREEN_TAG, SCREEN_TYPE_RASTER);

	/* sound hardware */
	SPEAKER(config, "mono").front_center();
	SPEAKER_SOUND(config, m_speaker).add_route(ALL_OUTPUTS, "mono", 0.25);
	WAVE(config, "wave", m_cassette).add_route(ALL_OUTPUTS, "mono", 0.05);

	CDP1864(config, m_cti, 1.75_MHz_XTAL).set_screen(SCREEN_TAG);
	m_cti->inlace_cb().set_constant(0);
	m_cti->int_cb().set_inputline(m_maincpu, COSMAC_INPUT_LINE_INT);
	m_cti->dma_out_cb().set(FUNC(cosmicos_state::dmaout_w));
	m_cti->efx_cb().set(FUNC(cosmicos_state::efx_w));
	m_cti->rdata_cb().set_constant(1);
	m_cti->gdata_cb().set_constant(1);
	m_cti->bdata_cb().set_constant(1);
	m_cti->set_chrominance(RES_K(2), 0, 0, 0); // R2
	m_cti->add_route(ALL_OUTPUTS, "mono", 0.25);

	/* devices */
	QUICKLOAD(config, "quickload", "bin").set_load_callback(FUNC(cosmicos_state::quickload_cb), this);
	CASSETTE(config, m_cassette);
	m_cassette->set_default_state(CASSETTE_STOPPED | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED);

	/* internal ram */
	RAM(config, RAM_TAG).set_default_size("256").set_extra_options("4K,48K");
}

/* ROMs */

ROM_START( cosmicos )
	ROM_REGION( 0x1000, CDP1802_TAG, 0 )
	ROM_SYSTEM_BIOS( 0, "hex", "Hex Monitor" )
	ROMX_LOAD( "hex.ic6",   0x000, 0x400, BAD_DUMP CRC(d25124bf) SHA1(121215ba3a979e1962327ebe73cbadf784c568d9), ROM_BIOS(0) ) // typed in from manual
	ROMX_LOAD( "hex.ic7",   0x400, 0x400, BAD_DUMP CRC(364ac81b) SHA1(83936ee6a7ed44632eb290889b98fb9a500f15d4), ROM_BIOS(0) ) // typed in from manual
	ROM_SYSTEM_BIOS( 1, "ascii", "ASCII Monitor" )
	ROMX_LOAD( "ascii.ic6", 0x000, 0x400, NO_DUMP, ROM_BIOS(1) )
	ROMX_LOAD( "ascii.ic7", 0x400, 0x400, NO_DUMP, ROM_BIOS(1) )
ROM_END

/* System Drivers */

//    YEAR  NAME      PARENT  COMPAT  MACHINE   INPUT     CLASS           INIT        COMPANY           FULLNAME    FLAGS
COMP( 1979, cosmicos, 0,      0,      cosmicos, cosmicos, cosmicos_state, empty_init, "Radio Bulletin", "Cosmicos", MACHINE_SUPPORTS_SAVE | MACHINE_IMPERFECT_GRAPHICS )