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// license:BSD-3-Clause
// copyright-holders:
/*
Amstar Z80 based hardware for card games
Dumper's notes:
Etched in copper AMSTAR ELEC
ASSY 1061-3700/
SER NO 42-109 42-109 was hand written
graphics dump showed card characters
.e5 2708 stickered 001-1201
.d5 AMD 4708 stickered 1102 read as a 2708 - couldn't get a steady reading
.b6 2708 stickered 001-8000
.b7 2708 stickered 001-8200
.c7 2708 stickered 001-8100
.c8 2708 stickered 001-8500
.d8 2708 stickered 001-8400
.e8 2708 stickered 001-8300
.d2 7611 stickered 001-1400
.f2 7611 stickered 001-1500
.g1 7611 stickered 001-130
.g2 6301 stickered G2- read as 7611
.h2 6301 stickered H2- read as 7611
.j2 6301 stickered J2- read as 7611
empty 14 pin socket at j1
empty 24 pin socket at b8
empty 16 pin socket at g11
Z80
10MHz Crystal
2101 x8
5101 x2
2 24 pin chips (.b4 and .b5) that look like EPROMs, but no window
Couldn't read as 2708 or 2716 or any of the 24 pin 82sxxx types
Stamped with the following
.b4
"S" logo
8001E
C27139M
4502
.b5
"S" logo
7847E
C27138M
4501
*/
#include "emu.h"
#include "cpu/z80/z80.h"
#include "emupal.h"
#include "screen.h"
namespace {
class amstarz80_state : public driver_device
{
public:
amstarz80_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
{ }
void amstarz80(machine_config &config);
private:
required_device<cpu_device> m_maincpu;
uint32_t screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
void prg_map(address_map &map) ATTR_COLD;
};
uint32_t amstarz80_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
return 0;
}
void amstarz80_state::prg_map(address_map &map)
{
map(0x0000, 0x17ff).rom();
map(0x1c00, 0x1cff).ram();
map(0x2000, 0x21ff).ram();
map(0x2400, 0x25ff).ram();
map(0x2800, 0x29ff).ram();
map(0x4000, 0x4000).portr("IN0");
map(0x4001, 0x4001).portr("IN1");
}
static INPUT_PORTS_START( holddraw )
PORT_START("IN0")
PORT_BIT(0x75, IP_ACTIVE_LOW, IPT_UNKNOWN)
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_UNKNOWN)
PORT_BIT(0x0a, IP_ACTIVE_HIGH, IPT_UNKNOWN)
PORT_START("IN1")
PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNKNOWN)
// 2x 8 dip banks
// 1x 4 dip bank
INPUT_PORTS_END
// TODO: not right, just to get a decode
static const gfx_layout charlayout =
{
8,8,
RGN_FRAC(1,1),
1,
{ 0 },
{ STEP8(0, 1) },
{ STEP8(0, 1*8) },
8*8*1
};
static GFXDECODE_START( gfx_amstarz80 )
GFXDECODE_ENTRY( "tiles", 0, charlayout, 0, 1 )
GFXDECODE_END
void amstarz80_state::amstarz80(machine_config &config)
{
// basic machine hardware
Z80(config, m_maincpu, 10_MHz_XTAL / 4); // divisor not verified
m_maincpu->set_addrmap(AS_PROGRAM, &amstarz80_state::prg_map);
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); // TODO: all wrong, verify when redumped and working
screen.set_refresh_hz(60);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
screen.set_size(64*8, 32*8);
screen.set_visarea(8*8, 48*8-1, 2*8, 30*8-1);
screen.set_screen_update(FUNC(amstarz80_state::screen_update));
screen.set_palette("palette");
PALETTE(config, "palette", palette_device::RGB_3BIT); // TODO: wrong
GFXDECODE(config, "gfxdecode", "palette", gfx_amstarz80);
// TODO: sound (TTL?)
}
ROM_START( holddraw )
ROM_REGION( 0x1800, "maincpu", 0 )
ROM_LOAD( "001-8000.b6", 0x0000, 0x0400, CRC(a25d17d4) SHA1(a5b9c83ace554811ac1442b44cdd72542ea2c425) )
ROM_LOAD( "001-8100.c7", 0x0400, 0x0400, CRC(2208a37a) SHA1(8cb528c3f83f779873e82b0d959810d5e3073291) )
ROM_LOAD( "001-8200.b7", 0x0800, 0x0400, CRC(9c27e9d7) SHA1(43103979e014ecc7b17a44a935257869ca184c2f) )
ROM_LOAD( "001-8300.e8", 0x0c00, 0x0400, CRC(2b703868) SHA1(ac4e2903e0eeb6d248acd931ca37032bd9d928cc) )
ROM_LOAD( "001-8400.d8", 0x1000, 0x0400, CRC(1b66fa9f) SHA1(98a1d53701a4dedeec9fa61a85dcbc0ce6910d5f) )
ROM_LOAD( "001-8500.c8", 0x1400, 0x0400, CRC(9c219088) SHA1(7430fe4eb3a6bf1838fd5513127f5248723bec0a) )
// one empty ROM socket at b8
ROM_REGION(0x800, "tiles", 0 )
ROM_LOAD( "001_1201.e5", 0x000, 0x400, CRC(32197f7d) SHA1(07c8739033820e4e4e2fe4428f921d8fc7c8698b) )
ROM_LOAD( "1102.d5_a", 0x400, 0x400, BAD_DUMP CRC(bb4bd952) SHA1(a869d5d5c8bc45d414b1103c6fe2b2d7bb07291e) ) // handwritten label, 3 different reads until it can be determined if one is good or a good one can be assembled
ROM_LOAD( "1102.d5_b", 0x400, 0x400, BAD_DUMP CRC(ce57a4ee) SHA1(732fc54f32212d7590daa2da738acd1cce4d7c0d) )
ROM_LOAD( "1102.d5_c", 0x400, 0x400, BAD_DUMP CRC(0b30d921) SHA1(992709bb0ad18f646bfa1bccea45454a5f273457) )
ROM_REGION(0xc00, "proms", 0 )
ROM_LOAD( "001-1400.d2", 0x000, 0x200, CRC(32c99cfc) SHA1(64d561230d69514a02f30d7bc69caa563e069d69) )
ROM_LOAD( "001-1500.f2", 0x200, 0x200, CRC(a27a7513) SHA1(84f5a29e55112d99a757b902aeef28e1370ef78f) )
ROM_LOAD( "001-1300.g1", 0x400, 0x200, CRC(eb581932) SHA1(b04cf5bb18bfc91654f63984aaf8e656e616b36f) )
ROM_LOAD( "g2.g2", 0x600, 0x200, CRC(6aa24121) SHA1(63fe82043653e753fb3d6ffb8a750b0433dae679) ) // handwritten label
ROM_LOAD( "h2.h2", 0x800, 0x200, CRC(9096f7c8) SHA1(b51b068ae279f0cee6048415bffe14995fb7d269) ) // handwritten label
ROM_LOAD( "j2.j2", 0xa00, 0x200, CRC(d7195174) SHA1(660e52c0d1c250ec9566d629c9e57e7b20acff26) ) // handwritten label
ROM_END
} // anonymous namespace
GAME( 1981, holddraw, 0, amstarz80, holddraw, amstarz80_state, empty_init, ROT0, "Amstar", "Hold & Draw", MACHINE_IS_SKELETON ) // supposedly, but might actually be another similar game
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