// license:BSD-3-Clause
// copyright-holders:Martin Buchholz
// thanks-to:James Wallace, Martin Buchholz, Juergen Oppermann, Volker Hann, Jan-Ole Christian
/***************************************************************************
Poly-Play
(c) 1985 by VEB Polytechnik Karl-Marx-Stadt
driver by Martin Buchholz (buchholz@mail.uni-greifswald.de)
Very special thanks to the following people, each one of them spent
some of their spare time to make this driver working:
- Juergen Oppermann and Volker Hann for electronical assistance,
repair work and ROM dumping.
- Jan-Ole Christian from the Videogamemuseum in Berlin, which houses
one of the last existing Poly-Play arcade automatons. He also
provided me with schematics and service manuals.
TODO:
- get other rom versions and games
NOTES:
The hardware is based on the K1520 PC system, with video output coming through a standard Colormat TV.
There are at least two revisions:
- Revision 1 -
2319-84-01 FAZ Graphics card (Color and Sound Logic)
2319-84-02 ABS Graphics card (1KiB ROM for Charset)
012-7100 ZRE CPU-Board K2521 (3KiB ROM, 1KiB RAM)
012-7040 PFS-1 ROM Board K3820 #1 - Games 1 to 4 (16KiB ROM)
012-7040 PFS-2 ROM Board K3820 #2 - Games 5 to 8 (16KiB ROM)
- Revision 2 -
2319-84-01 FAZ Graphics card (Color and Sound Logic)
2319-84-02 ABS Graphics card (1KiB ROM for Charset)
02 899-0101 ZRE-PP CPU-Board (56KiB ROM, 64KiB* RAM)
Basically revision 2 combines the ZRE, PFS-1 and PFS-2 onto a single board.
memory map:
- Revision 1 -
0000 - 0fff ZRE OS ROM (0000 - 03ff)
Game ROM used for Abfahrtslauf (0400 - 07ff)
Menu Screen ROM (0800 - 0cff)
Work RAM (0d00 - 0fff)
1000 - 4fff PFS-1 Abfahrtslauf (1000 - 1bff)
Hirschjagd (1c00 - 27ff)
Hase und Wolf (2800 - 3fff)
Schmetterlingsfang (4000 - 4fff)
5000 - 8fff PFS-2 Schiessbude (5000 - 5fff)
Autorennen (6000 - 73ff)
opto-akust. Merkspiel (7400 - 7fff)
Wasserrohrbruch (8000 - 8fff)
e800 - ebff ABS Character ROM (chr 00..7f) 1 bit per pixel
ec00 - f7ff ABS Character RAM (chr 80..ff) 3 bit per pixel
f800 - ffff FAZ Video RAM
- Revision 2 -
0000 - 0fff ZRE-PP OS and Menu ROM (0000 - 1fff)
Game ROM #1 (2000 - 3fff)
Game ROM #2 (4000 - 5fff)
Game ROM #3 (6000 - 7fff)
Game ROM #4 (8000 - 9fff)
Game ROM #5 (a000 - bfff)
Game ROM #6 (c000 - dfff)
e800 - ebff ABS Character ROM (chr 00..7f) 1 bit per pixel
ec00 - f7ff ABS Character RAM (chr 80..ff) 3 bit per pixel
f800 - ffff FAZ Video RAM
i/o ports:
- Revision 1 -
80 - 83 ZRE UB857D (Z80 CTC)
84 - 87 ZRE UB855D (Z80 PIO)
- Revision 2 -
80 - 83 ZRE-PP UB857D (Z80 CTC)
84 - 87 ZRE-PP UB855D (Z80 PIO)
88 - 8B ZRE-PP UB8560D (Z80 SIO)
read:
83 CTC COUNT 3 (IN1)
used as hardware random number generator
84 PIO PORT A (IN0)
bit 0 = fire button
bit 1 = right
bit 2 = left
bit 3 = up
bit 4 = down
bit 5 = unused*
bit 6 = bookkeeping (Summe Spiele)
bit 7 = coin sensor (+IRQ to make the game acknowledge it)
85 PIO PORT B
bit 0-2 = light organ
bit 3-4 = control panel (not connected)
bit 5-7 = sound parameter (not used on production units?)
86 PIO CTRL A
87 PIO CTRL B
write:
80 CTC COUNT 1 - Sound Channel 1
81 CTC COUNT 2 - Sound Channel 2
82 CTC COUNT 3 - generates 40 Hz timer for timeout in game title screens
83 CTC COUNT 4 - generates main 75 Hz timer interrupt
The Poly-Play has a simple bookmarking system which can be activated
setting Bit 6 of PORTA (Summe Spiele) to low. It reads a double word
from 0c00 and displays it on the screen.
I currently haven't figured out how the I/O port handling for the book-
mark system works.
Uniquely the Poly-Play has a light organ which totally confuses you whilst
playing the automaton. Bits 0-2 of PORTB control the organ.
***************************************************************************/
#include "emu.h"
#include "includes/polyplay.h"
#include "machine/z80daisy.h"
#include "screen.h"
#include "speaker.h"
#include "polyplay.lh"
static const z80_daisy_config daisy_chain_zre[] =
{
{ Z80CTC_TAG },
{ Z80PIO_TAG },
{ nullptr }
};
static const z80_daisy_config daisy_chain_zrepp[] =
{
{ Z80CTC_TAG },
{ Z80PIO_TAG },
{ Z80SIO_TAG },
{ nullptr }
};
INTERRUPT_GEN_MEMBER(polyplay_state::nmi_handler)
{
m_maincpu->pulse_input_line(INPUT_LINE_NMI, attotime::zero);
}
/* I/O Port handling */
WRITE_LINE_MEMBER(polyplay_state::ctc_zc2_w)
{
//osd_printf_verbose("ctc_z2_w: %02x\n", state);
}
READ8_MEMBER(polyplay_state::pio_porta_r)
{
return m_in0_port->read();
}
WRITE8_MEMBER(polyplay_state::pio_porta_w)
{
//osd_printf_verbose("pio_porta_w: %02x\n", data);
}
READ8_MEMBER(polyplay_state::pio_portb_r)
{
uint8_t result = 0x00;
//osd_printf_verbose("pio_portb_r: %02x\n", result);
return result;
}
WRITE8_MEMBER(polyplay_state::pio_portb_w)
{
uint8_t const lightState = data & 0x07;
//uint8_t soundState = data & 0xe0;
// there is a DS8205D attached to bit 0 and 1
for (unsigned i = 0; 4 > i; ++i)
m_lamps[i] = (lightState == i) ? 1 : 0;
}
INPUT_CHANGED_MEMBER(polyplay_state::input_changed)
{
m_z80pio->port_a_write(m_in0_port->read());
}
/* memory mapping */
void polyplay_state::polyplay_mem_zre(address_map &map)
{
map(0x0000, 0x0bff).rom();
map(0x0c00, 0x0fff).ram();
map(0x1000, 0x8fff).rom();
map(0xe800, 0xebff).rom().region("gfx1", 0);
map(0xec00, 0xf7ff).ram().w(FUNC(polyplay_state::polyplay_characterram_w)).share("characterram");
map(0xf800, 0xffff).ram().share("videoram");
}
void polyplay_state::polyplay_mem_zrepp(address_map &map)
{
map(0x0000, 0xbfff).rom();
map(0xc000, 0xcfff).ram();
map(0xd000, 0xd7ff).rom().region("gfx1", 0);
map(0xea00, 0xebff).ram();
map(0xec00, 0xf7ff).ram().w(FUNC(polyplay_state::polyplay_characterram_w)).share("characterram");
map(0xf800, 0xffff).ram().share("videoram");
}
/* port mapping */
void polyplay_state::polyplay_io_zre(address_map &map)
{
map.global_mask(0xff);
map(0x80, 0x83).rw(m_z80ctc, FUNC(z80ctc_device::read), FUNC(z80ctc_device::write));
map(0x84, 0x87).rw(m_z80pio, FUNC(z80pio_device::read), FUNC(z80pio_device::write));
}
void polyplay_state::polyplay_io_zrepp(address_map &map)
{
polyplay_io_zre(map);
map(0x88, 0x8b).rw(m_z80sio, FUNC(z80sio_device::cd_ba_r), FUNC(z80sio_device::cd_ba_w));
}
static INPUT_PORTS_START( polyplay )
PORT_START("IN0")
PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0)
PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0) PORT_8WAY
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0) PORT_8WAY
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0) PORT_8WAY
PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0) PORT_8WAY
PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNUSED ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_SERVICE ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0) PORT_NAME("Bookkeeping Info") PORT_CODE(KEYCODE_F2)
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_CHANGED_MEMBER(DEVICE_SELF, polyplay_state, input_changed, 0)
INPUT_PORTS_END
/* graphic structures */
static const gfx_layout charlayout_1_bit =
{
8,8, /* 8*8 characters */
128, /* 128 characters */
1, /* 1 bit per pixel */
{ 0 },
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every char takes 8 consecutive bytes */
};
static const gfx_layout charlayout_3_bit =
{
8,8, /* 8*8 characters */
128, /* 128 characters */
3, /* 3 bit per pixel */
{ 0, 128*8*8, 128*8*8 + 128*8*8 }, /* offset for each bitplane */
{ 0, 1, 2, 3, 4, 5, 6, 7 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every char takes 8 consecutive bytes */
};
static GFXDECODE_START( gfx_polyplay )
GFXDECODE_ENTRY( "gfx1", 0x0000, charlayout_1_bit, 0, 1 )
GFXDECODE_ENTRY( nullptr, 0xec00, charlayout_3_bit, 2, 1 )
GFXDECODE_END
/* the machine driver */
MACHINE_CONFIG_START(polyplay_state::polyplay_zre)
/* basic machine hardware */
Z80(config, m_maincpu, POLYPLAY_MAIN_CLOCK / 4); /* UB880D */
m_maincpu->set_daisy_config(daisy_chain_zre);
m_maincpu->set_addrmap(AS_PROGRAM, &polyplay_state::polyplay_mem_zre);
m_maincpu->set_addrmap(AS_IO, &polyplay_state::polyplay_io_zre);
m_maincpu->set_periodic_int(FUNC(polyplay_state::nmi_handler), attotime::from_hz(100)); /* A302 - zero cross detection from AC (50Hz) */
/* devices */
Z80CTC(config, m_z80ctc, POLYPLAY_MAIN_CLOCK / 4); /* UB857D */
m_z80ctc->intr_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_z80ctc->zc_callback<0>().set(FUNC(polyplay_state::ctc_zc0_w));
m_z80ctc->zc_callback<1>().set(FUNC(polyplay_state::ctc_zc1_w));
//m_z80ctc->zc_callback<2>().set(FUNC(polyplay_state::ctc_zc2_w));
Z80PIO(config, m_z80pio, POLYPLAY_MAIN_CLOCK / 4); /* UB855D */
m_z80pio->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
m_z80pio->in_pa_callback().set(FUNC(polyplay_state::pio_porta_r));
m_z80pio->out_pa_callback().set(FUNC(polyplay_state::pio_porta_w));
m_z80pio->in_pb_callback().set(FUNC(polyplay_state::pio_portb_r));
m_z80pio->out_pb_callback().set(FUNC(polyplay_state::pio_portb_w));
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(50)
MCFG_SCREEN_SIZE(64*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 64*8-1, 0*8, 32*8-1)
MCFG_SCREEN_UPDATE_DRIVER(polyplay_state, screen_update_polyplay)
MCFG_SCREEN_PALETTE("palette")
MCFG_DEVICE_ADD("gfxdecode", GFXDECODE, "palette", gfx_polyplay)
MCFG_PALETTE_ADD("palette", 10)
MCFG_PALETTE_INIT_OWNER(polyplay_state, polyplay)
/* sound hardware */
SPEAKER(config, "mono").front_center();
MCFG_DEVICE_ADD("speaker1", SPEAKER_SOUND)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MCFG_DEVICE_ADD("speaker2", SPEAKER_SOUND)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.5)
MACHINE_CONFIG_END
void polyplay_state::polyplay_zrepp(machine_config &config)
{
polyplay_zre(config);
/* basic machine hardware */
m_maincpu->set_daisy_config(daisy_chain_zrepp);
m_maincpu->set_addrmap(AS_PROGRAM, &polyplay_state::polyplay_mem_zrepp);
m_maincpu->set_addrmap(AS_IO, &polyplay_state::polyplay_io_zrepp);
/* devices */
Z80SIO(config, m_z80sio, POLYPLAY_MAIN_CLOCK / 4); /* UB8560D */
m_z80sio->out_int_callback().set_inputline(m_maincpu, INPUT_LINE_IRQ0);
}
/* ROM loading and mapping */
ROM_START( polyplay )
ROM_REGION( 0x10000, Z80CPU_TAG, 0 )
ROM_LOAD( "cpu_0000.37", 0x0000, 0x0400, CRC(87884c5f) SHA1(849c6b3f40496c694a123d6eec268a7128c037f0) )
ROM_LOAD( "cpu_0400.36", 0x0400, 0x0400, CRC(d5c84829) SHA1(baa8790e77db66e1e543b3a0e5390cc71256de2f) )
ROM_LOAD( "cpu_0800.35", 0x0800, 0x0400, CRC(5f36d08e) SHA1(08ecf8143e818a9844b4f168e68629d6d4481a8a) )
ROM_LOAD( "2_-_1000.14", 0x1000, 0x0400, CRC(950dfcdb) SHA1(74170d5c99d1ea61fe37d1fe023dca96efb1ca69) )
ROM_LOAD( "2_-_1400.10", 0x1400, 0x0400, CRC(829f74ca) SHA1(4df9d3c24e1bc4c2c953dce9530e43a00ecf67fc) )
ROM_LOAD( "2_-_1800.6", 0x1800, 0x0400, CRC(b69306f5) SHA1(66d7c3cf76782a5b6eafa3e1513ecc9a9df0e0e1) )
ROM_LOAD( "2_-_1c00.2", 0x1c00, 0x0400, CRC(aede2280) SHA1(0a01394ab70d07d666e955c87a08cb4d4945767e) )
ROM_LOAD( "2_-_2000.15", 0x2000, 0x0400, CRC(6c7ad0d8) SHA1(df959d1e43fde96b5e21e3c53b397209a98ea423) )
ROM_LOAD( "2_-_2400.11", 0x2400, 0x0400, CRC(bc7462f0) SHA1(01ca680c74b92b9ba5a85f98e0933ef1e754bfc1) )
ROM_LOAD( "2_-_2800.7", 0x2800, 0x0400, CRC(9ccf1958) SHA1(6bdf04d7796074af7327fab6717b52736540f97c) )
ROM_LOAD( "2_-_2c00.3", 0x2c00, 0x0400, CRC(21827930) SHA1(71d27d68f6973a59996102381f8754d9b353c65a) )
ROM_LOAD( "2_-_3000.16", 0x3000, 0x0400, CRC(b3b3c0ec) SHA1(a94cd9794d59ea2f9ddd8bef86e6e3a269b276ad) )
ROM_LOAD( "2_-_3400.12", 0x3400, 0x0400, CRC(bd416cd0) SHA1(57391cc4a417468455b45014969067629fd629b8) )
ROM_LOAD( "2_-_3800.8", 0x3800, 0x0400, CRC(1c470b7c) SHA1(f7c71ee1752ecd4f30a35f14ee392b37febefb9c) )
ROM_LOAD( "2_-_3c00.4", 0x3c00, 0x0400, CRC(b8354a19) SHA1(58ea7798ecc1be987b1217f4078c7cb366622dd3) )
ROM_LOAD( "2_-_4000.17", 0x4000, 0x0400, CRC(1e01041e) SHA1(ff63e4bb924d1c26e445a28c5f8cbc696b4b9f5a) )
ROM_LOAD( "2_-_4400.13", 0x4400, 0x0400, CRC(fe4d8959) SHA1(233f97956f4c819558d5d38034d92edc0e86a0de) )
ROM_LOAD( "2_-_4800.9", 0x4800, 0x0400, CRC(c45f1d9d) SHA1(f3373f1f5a3c6099fd38e65f66e024ef042a984c) )
ROM_LOAD( "2_-_4c00.5", 0x4c00, 0x0400, CRC(26950ad6) SHA1(881f5f0f4806ba6f21d0b28a70fc43363d51419b) )
ROM_LOAD( "1_-_5000.30", 0x5000, 0x0400, CRC(9f5e2ba1) SHA1(58c696afbda8932f5e401b0a82b2de5cdfc2d1fb) )
ROM_LOAD( "1_-_5400.26", 0x5400, 0x0400, CRC(b5f9a780) SHA1(eb785b7668f6af0a9df84cbd1905173869377e6c) )
ROM_LOAD( "1_-_5800.22", 0x5800, 0x0400, CRC(d973ad12) SHA1(81cc5e19e83f2e5b10b885583c250a2ff66bafe5) )
ROM_LOAD( "1_-_5c00.18", 0x5c00, 0x0400, CRC(9c22ea79) SHA1(e25ed745589a83e297dba936a6e5979f1b31b2d5) )
ROM_LOAD( "1_-_6000.31", 0x6000, 0x0400, CRC(245c49ca) SHA1(12e5a032327fb45b2a240aff11b0c5d1798932f4) )
ROM_LOAD( "1_-_6400.27", 0x6400, 0x0400, CRC(181e427e) SHA1(6b65409cd8410e632093662f5de2989dd9134620) )
ROM_LOAD( "1_-_6800.23", 0x6800, 0x0400, CRC(8a6c1f97) SHA1(bf9d4dda8ac933a4a700f52540dcd1197f0a64eb) )
ROM_LOAD( "1_-_6c00.19", 0x6c00, 0x0400, CRC(77901dc9) SHA1(b1132e06011aa8f7a95c43f447cd422f01139bb1) )
ROM_LOAD( "1_-_7000.32", 0x7000, 0x0400, CRC(83ffbe57) SHA1(1e06408f7b4c9a4e5cadab58f6efbc03a5bedc1e) )
ROM_LOAD( "1_-_7400.28", 0x7400, 0x0400, CRC(e2a66531) SHA1(1c9eb54e9c8a13f26335d8fb79fe5e39c28b3255) )
ROM_LOAD( "1_-_7800.24", 0x7800, 0x0400, CRC(1d0803ef) SHA1(15a1996f9262f26cf531f329e086b10b3c25ce92) )
ROM_LOAD( "1_-_7c00.20", 0x7c00, 0x0400, CRC(17dfa7e4) SHA1(afb471dc6cb2faccfb4305540f75162fcee3d622) )
ROM_LOAD( "1_-_8000.33", 0x8000, 0x0400, CRC(6ee02375) SHA1(fbf797b655639ee442804a30fd3a06bbf261999a) )
ROM_LOAD( "1_-_8400.29", 0x8400, 0x0400, CRC(9db09598) SHA1(8eb385542a617b23caad3ce7bbdd9714c1dd684f) )
ROM_LOAD( "1_-_8800.25", 0x8800, 0x0400, CRC(ca2f963f) SHA1(34295f02bfd1bca141d650bbbbc1989e01c67b2f) )
ROM_LOAD( "1_-_8c00.21", 0x8c00, 0x0400, CRC(0c7dec2d) SHA1(48d776b97c1eca851f89b0c5df4d5765d9aa0319) )
ROM_REGION( 0x800, "gfx1", 0 )
ROM_LOAD( "char.1", 0x0000, 0x0400, CRC(5242dd6b) SHA1(ba8f317df62fe4360757333215ce3c8223c68c4e) )
ROM_END
ROM_START( polyplay2 )
ROM_REGION( 0x10000, Z80CPU_TAG, 0 )
ROM_LOAD( "2_1.rom", 0x0000, 0x2000, CRC(d728ca42) SHA1(7359a59ba7f205b3ac95c8a0946093f24bdaa4da) )
ROM_LOAD( "2_2.rom", 0x2000, 0x2000, CRC(52316236) SHA1(88c159621d40953240c5d2f1d6dcebb8f5e1ee81) )
ROM_LOAD( "2_3.rom", 0x4000, 0x2000, CRC(e199d303) SHA1(fea2c3c659222553f36b3e922c6ac017f7111025) )
ROM_LOAD( "2_4.rom", 0x6000, 0x2000, CRC(1324c2e2) SHA1(c0102d5abbb2f4dbb5b8dff5ad515bc3f2af9166) )
ROM_LOAD( "2_5.rom", 0x8000, 0x2000, CRC(2e959fe9) SHA1(1f0a80bb26d0ae332d4a4313ec22ab7eefcf1e34) )
ROM_LOAD( "2_6.rom", 0xA000, 0x2000, CRC(85774542) SHA1(420349a0d812bc0052a77cbc6c5ab84262e58b32) )
ROM_REGION( 0x800, "gfx1", 0 )
ROM_LOAD( "1_1.bin", 0x0000, 0x0800, CRC(4f028af9) SHA1(319537234069b43cfffafe567cc599ae05f24e23) )
ROM_END
ROM_START( polyplay2c )
ROM_REGION( 0x10000, Z80CPU_TAG, 0 )
ROM_LOAD( "2_1.bin", 0x0000, 0x2000, CRC(bf22f44f) SHA1(dd412b45f49ceffe336d905043c7af2447c577a0) )
ROM_LOAD( "2_2.bin", 0x2000, 0x2000, CRC(e54b8be8) SHA1(23037102eab60fd03c349ad154b2498139e84dd4) )
ROM_LOAD( "2_3.bin", 0x4000, 0x2000, CRC(ac43ec6b) SHA1(1662e10d80d47c1e3c54d4ef232c0d671fecce96) )
ROM_LOAD( "2_4.bin", 0x6000, 0x2000, CRC(703f3d46) SHA1(5ab571cb63ffdbce86b6e452988402e5c1098009) )
ROM_LOAD( "2_5.bin", 0x8000, 0x2000, CRC(d5ef6ed8) SHA1(317f251dc85b412b1390651d39a95ce57dd92999) )
ROM_REGION( 0x800, "gfx1", 0 )
ROM_LOAD( "1_1.bin", 0x0000, 0x0800, CRC(4f028af9) SHA1(319537234069b43cfffafe567cc599ae05f24e23) )
ROM_END
/* game driver */
GAMEL( 1986, polyplay, 0, polyplay_zre, polyplay, polyplay_state, empty_init, ROT0, "VEB Polytechnik Karl-Marx-Stadt", "Poly-Play (ZRE)", 0, layout_polyplay )
GAMEL( 1989, polyplay2, 0, polyplay_zrepp, polyplay, polyplay_state, empty_init, ROT0, "VEB Polytechnik Karl-Marx-Stadt", "Poly-Play (ZRE-PP)", 0, layout_polyplay )
GAMEL( 1989, polyplay2c, polyplay2, polyplay_zrepp, polyplay, polyplay_state, empty_init, ROT0, "VEB Polytechnik Karl-Marx-Stadt", "Poly-Play (ZRE-PP - Czech)", 0, layout_polyplay )