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Diffstat (limited to 'src/emu/sound/cem3394.c')
-rw-r--r--src/emu/sound/cem3394.c42
1 files changed, 21 insertions, 21 deletions
diff --git a/src/emu/sound/cem3394.c b/src/emu/sound/cem3394.c
index b685eb4f6e3..162fb664c93 100644
--- a/src/emu/sound/cem3394.c
+++ b/src/emu/sound/cem3394.c
@@ -94,7 +94,7 @@
#define WAVE_SAWTOOTH 2
#define WAVE_PULSE 4
-// keep lots of fractional bits
+// keep lots of fractional bits
#define FRACTION_BITS 28
#define FRACTION_ONE (1 << FRACTION_BITS)
#define FRACTION_ONE_D ((double)(1 << FRACTION_BITS))
@@ -115,26 +115,26 @@ const device_type CEM3394 = &device_creator<cem3394_device>;
cem3394_device::cem3394_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, CEM3394, "CEM3394", tag, owner, clock),
- device_sound_interface(mconfig, *this),
- m_external(NULL),
- m_stream(NULL),
- m_vco_zero_freq(0.0),
- m_filter_zero_freq(0.0),
- m_wave_select(0),
- m_volume(0),
- m_mixer_internal(0),
- m_mixer_external(0),
- m_position(0),
- m_step(0),
- m_filter_position(0),
- m_filter_step(0),
- m_modulation_depth(0),
- m_last_ext(0),
- m_pulse_width(0),
- m_inv_sample_rate(0.0),
- m_sample_rate(0),
- m_mixer_buffer(NULL),
- m_external_buffer(NULL)
+ device_sound_interface(mconfig, *this),
+ m_external(NULL),
+ m_stream(NULL),
+ m_vco_zero_freq(0.0),
+ m_filter_zero_freq(0.0),
+ m_wave_select(0),
+ m_volume(0),
+ m_mixer_internal(0),
+ m_mixer_external(0),
+ m_position(0),
+ m_step(0),
+ m_filter_position(0),
+ m_filter_step(0),
+ m_modulation_depth(0),
+ m_last_ext(0),
+ m_pulse_width(0),
+ m_inv_sample_rate(0.0),
+ m_sample_rate(0),
+ m_mixer_buffer(NULL),
+ m_external_buffer(NULL)
{
memset(m_values, 0, 8*sizeof(double));
}
0 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394
// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic, Robbbert
/***************************************************************************

        Robotron PC-1715

        10/06/2008 Preliminary driver.


    Notes:

    - keyboard connected to sio channel a
    - sio channel a clock output connected to ctc trigger 0

****************************************************************************/

#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/ram.h"
#include "machine/z80ctc.h"
#include "machine/z80sio.h"
#include "machine/z80dma.h"
#include "machine/z80pio.h"
#include "video/i8275.h"
#include "emupal.h"
#include "screen.h"


class rt1715_state : public driver_device
{
public:
	rt1715_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_ram(*this, RAM_TAG)
	{
	}

	void rt1715(machine_config &config);
	void rt1715w(machine_config &config);

private:
	DECLARE_WRITE8_MEMBER(rt1715_floppy_enable);
	DECLARE_READ8_MEMBER(k7658_led1_r);
	DECLARE_READ8_MEMBER(k7658_led2_r);
	DECLARE_READ8_MEMBER(k7658_data_r);
	DECLARE_WRITE8_MEMBER(k7658_data_w);
	DECLARE_WRITE8_MEMBER(rt1715_rom_disable);
	DECLARE_PALETTE_INIT(rt1715);
	I8275_DRAW_CHARACTER_MEMBER( crtc_display_pixels );

	void k7658_io(address_map &map);
	void k7658_mem(address_map &map);
	void rt1715_io(address_map &map);
	void rt1715_mem(address_map &map);

	virtual void machine_start() override;
	virtual void machine_reset() override;

	int m_led1_val;
	int m_led2_val;
	required_device<cpu_device> m_maincpu;
	required_device<ram_device> m_ram;
};


/***************************************************************************
    FLOPPY
***************************************************************************/

WRITE8_MEMBER(rt1715_state::rt1715_floppy_enable)
{
	logerror("%s: rt1715_floppy_enable %02x\n", machine().describe_context(), data);
}


/***************************************************************************
    KEYBOARD
***************************************************************************/

/* si/so led */
READ8_MEMBER(rt1715_state::k7658_led1_r)
{
	m_led1_val ^= 1;
	logerror("%s: k7658_led1_r %02x\n", machine().describe_context(), m_led1_val);
	return 0xff;
}

/* caps led */
READ8_MEMBER(rt1715_state::k7658_led2_r)
{
	m_led2_val ^= 1;
	logerror("%s: k7658_led2_r %02x\n", machine().describe_context(), m_led2_val);
	return 0xff;
}

/* read key state */
READ8_MEMBER(rt1715_state::k7658_data_r)
{
	uint8_t result = 0xff;

	if (BIT(offset,  0)) result &= ioport("row_00")->read();
	if (BIT(offset,  1)) result &= ioport("row_10")->read();
	if (BIT(offset,  2)) result &= ioport("row_20")->read();
	if (BIT(offset,  3)) result &= ioport("row_30")->read();
	if (BIT(offset,  4)) result &= ioport("row_40")->read();
	if (BIT(offset,  5)) result &= ioport("row_50")->read();
	if (BIT(offset,  6)) result &= ioport("row_60")->read();
	if (BIT(offset,  7)) result &= ioport("row_70")->read();
	if (BIT(offset,  8)) result &= ioport("row_08")->read();
	if (BIT(offset,  9)) result &= ioport("row_18")->read();
	if (BIT(offset, 10)) result &= ioport("row_28")->read();
	if (BIT(offset, 11)) result &= ioport("row_38")->read();
	if (BIT(offset, 12)) result &= ioport("row_48")->read();

	return result;
}

/* serial output on D0 */
WRITE8_MEMBER(rt1715_state::k7658_data_w)
{
	logerror("%s: k7658_data_w %02x\n", machine().describe_context(), BIT(data, 0));
}


/***************************************************************************
    MEMORY HANDLING
***************************************************************************/

void rt1715_state::machine_start()
{
	membank("bank2")->set_base(m_ram->pointer() + 0x0800);
	membank("bank3")->set_base(m_ram->pointer());
}

void rt1715_state::machine_reset()
{
	/* on reset, enable ROM */
	membank("bank1")->set_base(memregion("ipl")->base());
}

WRITE8_MEMBER(rt1715_state::rt1715_rom_disable)
{
	logerror("%s: rt1715_set_bank %02x\n", machine().describe_context(), data);

	/* disable ROM, enable RAM */
	membank("bank1")->set_base(m_ram->pointer());
}

/***************************************************************************
    VIDEO EMULATION
***************************************************************************/

I8275_DRAW_CHARACTER_MEMBER( rt1715_state::crtc_display_pixels )
{
}

/* F4 Character Displayer */
static const gfx_layout rt1715_charlayout =
{
	8, 16,                  /* 8 x 16 characters */
	128,                    /* 128 characters */
	1,                  /* 1 bits per pixel */
	{ 0 },                  /* no bitplanes */
	/* x offsets */
	{ 0, 1, 2, 3, 4, 5, 6, 7 },
	/* y offsets */
	{ 0*128, 1*128*8, 2*128*8, 3*128*8, 4*128*8, 5*128*8, 6*128*8, 7*128*8, 8*128*8, 9*128*8, 10*128*8, 11*128*8, 12*128*8, 13*128*8, 14*128*8, 15*128*8 },
	8                   /* every char takes 1 x 16 bytes */
};

static GFXDECODE_START( gfx_rt1715 )
	GFXDECODE_ENTRY("gfx", 0x0000, rt1715_charlayout, 0, 1)
	GFXDECODE_ENTRY("gfx", 0x0800, rt1715_charlayout, 0, 1)
GFXDECODE_END


/***************************************************************************
    PALETTE
***************************************************************************/

PALETTE_INIT_MEMBER(rt1715_state, rt1715)
{
	palette.set_pen_color(0, rgb_t(0x00, 0x00, 0x00)); /* black */
	palette.set_pen_color(1, rgb_t(0x00, 0x7f, 0x00)); /* low intensity */
	palette.set_pen_color(2, rgb_t(0x00, 0xff, 0x00)); /* high intensitiy */
}


/***************************************************************************
    ADDRESS MAPS
***************************************************************************/

void rt1715_state::rt1715_mem(address_map &map)
{
	map(0x0000, 0x07ff).bankr("bank1").bankw("bank3");
	map(0x0800, 0xffff).bankrw("bank2");
}

void rt1715_state::rt1715_io(address_map &map)
{
	map.unmap_value_high();
	map.global_mask(0xff);
	map(0x00, 0x03).rw("a71", FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt));
	map(0x04, 0x07).rw("a72", FUNC(z80pio_device::read_alt), FUNC(z80pio_device::write_alt));
	map(0x08, 0x0b).rw("a30", FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
	map(0x0c, 0x0f).rw("a29", FUNC(z80sio_device::ba_cd_r), FUNC(z80sio_device::ba_cd_w));
	map(0x18, 0x19).rw("a26", FUNC(i8275_device::read), FUNC(i8275_device::write));
	map(0x20, 0x20).w(FUNC(rt1715_state::rt1715_floppy_enable));
	map(0x28, 0x28).w(FUNC(rt1715_state::rt1715_rom_disable));
}

void rt1715_state::k7658_mem(address_map &map)
{
	map(0x0000, 0xffff).w(FUNC(rt1715_state::k7658_data_w));
	map(0x0000, 0x07ff).mirror(0xf800).rom();
}

void rt1715_state::k7658_io(address_map &map)
{
	map(0x2000, 0x2000).mirror(0x8000).r(FUNC(rt1715_state::k7658_led1_r));
	map(0x4000, 0x4000).mirror(0x8000).r(FUNC(rt1715_state::k7658_led2_r));
	map(0x8000, 0x9fff).r(FUNC(rt1715_state::k7658_data_r));
}


/***************************************************************************
    INPUT PORTS
***************************************************************************/

static INPUT_PORTS_START( k7658 )
	PORT_START("row_00")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_10")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_20")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_30")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_40")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_50")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_60")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_70")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_08")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_18")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_28")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_38")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)

	PORT_START("row_48")
	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNUSED)
INPUT_PORTS_END


/***************************************************************************
    MACHINE DRIVERS
***************************************************************************/

/* priority unknown */
static const z80_daisy_config rt1715_daisy_chain[] =
{
	{ "a71" },
	{ "a72" },
	{ "a30" },
	{ "a29" },
	{ nullptr }
};

MACHINE_CONFIG_START(rt1715_state::rt1715)
	/* basic machine hardware */
	MCFG_DEVICE_ADD("maincpu", Z80, 9.832_MHz_XTAL / 4)
	MCFG_DEVICE_PROGRAM_MAP(rt1715_mem)
	MCFG_DEVICE_IO_MAP(rt1715_io)
	MCFG_Z80_DAISY_CHAIN(rt1715_daisy_chain)


	/* keyboard */
	MCFG_DEVICE_ADD("keyboard", Z80, 683000)
	MCFG_DEVICE_PROGRAM_MAP(k7658_mem)
	MCFG_DEVICE_IO_MAP(k7658_io)

	/* video hardware */
	MCFG_SCREEN_ADD("screen", RASTER)
	MCFG_SCREEN_UPDATE_DEVICE("a26", i8275_device, screen_update)
	MCFG_SCREEN_RAW_PARAMS(13.824_MHz_XTAL, 864, 0, 624, 320, 0, 300) // ?

	MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_rt1715)
	MCFG_PALETTE_ADD("palette", 3)
	MCFG_PALETTE_INIT_OWNER(rt1715_state, rt1715)

	MCFG_DEVICE_ADD("a26", I8275, 13.824_MHz_XTAL / 8)
	MCFG_I8275_CHARACTER_WIDTH(8)
	MCFG_I8275_DRAW_CHARACTER_CALLBACK_OWNER(rt1715_state, crtc_display_pixels)

	MCFG_DEVICE_ADD("a30", Z80CTC, 9.832_MHz_XTAL / 4)
	MCFG_Z80CTC_ZC0_CB(WRITELINE("a29", z80sio_device, txca_w))
	MCFG_Z80CTC_ZC2_CB(WRITELINE("a29", z80sio_device, rxtxcb_w))

	Z80SIO(config, "a29", 9.832_MHz_XTAL / 4);

	/* floppy */
	Z80PIO(config, "a71", 9.832_MHz_XTAL / 4);
	Z80PIO(config, "a72", 9.832_MHz_XTAL / 4);

	/* internal ram */
	RAM(config, RAM_TAG).set_default_size("64K").set_default_value(0);
MACHINE_CONFIG_END

MACHINE_CONFIG_START(rt1715_state::rt1715w)
	rt1715(config);
MACHINE_CONFIG_END


/***************************************************************************
    ROM DEFINITIONS
***************************************************************************/

ROM_START( rt1715 )
	ROM_REGION(0x0800, "ipl", 0)
	ROM_LOAD("s500.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 90e7
	ROM_LOAD("s501.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 68da
	ROM_LOAD("s502.a25.3", 0x0000, 0x0800, CRC(7b6302e1) SHA1(e8f61763ff8841078a1939aa5e85a17f2af42163))

	ROM_REGION(0x1000, "gfx", 0)
	ROM_LOAD("s619.a25.2", 0x0000, 0x0800, CRC(98647763) SHA1(93fba51ed26392ec3eff1037886576fa12443fe5))
	ROM_LOAD("s602.a25.1", 0x0800, 0x0800, NO_DUMP) // CCITT fd67

	ROM_REGION(0x0800, "keyboard", 0)
	ROM_LOAD("s600.ic8", 0x0000, 0x0800, CRC(b7070122) SHA1(687056b822086ef0eee1e9b27e5b031bdbcade61))

	ROM_REGION(0x0800, "floppy", 0)
	ROM_LOAD("068.a8.2", 0x0000, 0x0400, CRC(5306d57b) SHA1(a12d025717b039a8a760eb9961365402f1f501f5)) // "read rom"
	ROM_LOAD("069.a8.1", 0x0400, 0x0400, CRC(319fa72c) SHA1(5f26af1e36339a934760a63e5975e9db09abeaaf)) // "write rom"
ROM_END

ROM_START( rt1715lc )
	ROM_REGION(0x0800, "ipl", 0)
	ROM_LOAD("s500.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 90e7
	ROM_LOAD("s501.a25.3", 0x0000, 0x0800, NO_DUMP) // CCITT 68da
	ROM_LOAD("s502.a25.3", 0x0000, 0x0800, CRC(7b6302e1) SHA1(e8f61763ff8841078a1939aa5e85a17f2af42163))

	ROM_REGION(0x1000, "gfx", 0)
	ROM_LOAD("s643.a25.2", 0x0000, 0x0800, CRC(ea37f0e6) SHA1(357760974d944b9782734504b9820771e7e37645))
	ROM_LOAD("s605.a25.1", 0x0800, 0x0800, CRC(38062024) SHA1(798f62d4adeb7098b7dcbfe6caf28302853ee97d))

	ROM_REGION(0x0800, "keyboard", 0)
	ROM_LOAD("s642.ic8", 0x0000, 0x0800, NO_DUMP) // CCITT 962e

	ROM_REGION(0x0800, "floppy", 0)
	ROM_LOAD("068.a8.2", 0x0000, 0x0400, CRC(5306d57b) SHA1(a12d025717b039a8a760eb9961365402f1f501f5)) // "read rom"
	ROM_LOAD("069.a8.1", 0x0400, 0x0400, CRC(319fa72c) SHA1(5f26af1e36339a934760a63e5975e9db09abeaaf)) // "write rom"
ROM_END

ROM_START( rt1715w )
	ROM_REGION(0x0800, "ipl", 0)
	ROM_LOAD("s550.bin", 0x0000, 0x0800, CRC(0a96c754) SHA1(4d9ad5b877353d91ba355044d2847e1d621e2b01))

	// loaded from floppy on startup
	ROM_REGION(0x1000, "gfx", ROMREGION_ERASEFF)

	ROM_REGION(0x0800, "keyboard", 0)
	ROM_LOAD("s600.ic8", 0x0000, 0x0800, CRC(b7070122) SHA1(687056b822086ef0eee1e9b27e5b031bdbcade61))

	ROM_REGION(0x0100, "prom", 0)
	ROM_LOAD("287.bin", 0x0000, 0x0100, CRC(8508360c) SHA1(d262a8c3cf2d284c67f23b853e0d59ae5cc1d4c8)) // /CAS decoder prom, 74S287
ROM_END


/***************************************************************************
    GAME DRIVERS
***************************************************************************/

//    YEAR  NAME      PARENT  COMPAT  MACHINE  INPUT  CLASS         INIT        COMPANY     FULLNAME                             FLAGS
COMP( 1986, rt1715,   0,      0,      rt1715,  k7658, rt1715_state, empty_init, "Robotron", "Robotron PC-1715",                  MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )
COMP( 1986, rt1715lc, rt1715, 0,      rt1715,  k7658, rt1715_state, empty_init, "Robotron", "Robotron PC-1715 (latin/cyrillic)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )
COMP( 1986, rt1715w,  rt1715, 0,      rt1715w, k7658, rt1715_state, empty_init, "Robotron", "Robotron PC-1715W",                 MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )