summaryrefslogtreecommitdiffstats
path: root/src/mame/drivers/konin.cpp
blob: db194aa5e59dec1e2281db4f3bfff002dcf44a21 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
// license:BSD-3-Clause
// copyright-holders:Miodrag Milanovic, Robbbert
/***************************************************************************

Mera-Elzab Konin

It's an industrial computer used in Poland

No information has been found. All code is guesswork.

2011-12-29 Skeleton driver.
2016-07-15 Added terminal and uart.

'maincpu' (0384): unmapped i/o memory write to 00F8 = 56 & FF
'maincpu' (0388): unmapped i/o memory write to 00F8 = B6 & FF
'maincpu' (038C): unmapped i/o memory write to 0024 = 00 & FF
'maincpu' (0A0B): unmapped i/o memory write to 0080 = BE & FF
'maincpu' (0A0F): unmapped i/o memory write to 0080 = 08 & FF
'maincpu' (0A13): unmapped i/o memory write to 0080 = 0C & FF
'maincpu' (0A15): unmapped i/o memory read from 0082 & FF
'maincpu' (0A19): unmapped i/o memory write to 0080 = 05 & FF
'maincpu' (04DE): unmapped i/o memory write to 00F6 = 27 & FF
'maincpu' (04E2): unmapped i/o memory write to 00F6 = 40 & FF
'maincpu' (04E6): unmapped i/o memory write to 00F6 = CE & FF
'maincpu' (04EA): unmapped i/o memory write to 00F6 = 27 & FF
'maincpu' (043B): unmapped i/o memory write to 00F8 = B6 & FF
'maincpu' (043F): unmapped i/o memory write to 00F6 = 27 & FF
'maincpu' (2AA3): unmapped i/o memory write to 00F8 = 14 & FF
'maincpu' (2AA7): unmapped i/o memory write to 00FB = C0 & FF
'maincpu' (2AC2): unmapped i/o memory write to 00F8 = 56 & FF
'maincpu' (2AC6): unmapped i/o memory write to 00FA = 03 & FF
'maincpu' (0082): unmapped i/o memory write to 0024 = 06 & FF

Debug stuff:
- Start it up
- Write FF to 7D57 to see some messages
- Write 00 to 7D57 to silence it

Even though it gives an input prompt, there's no code to accept anything

Terminal settings: 8 data bits, 2 stop bits, no parity @ 9600

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

#include "emu.h"
#include "cpu/z80/z80.h"
#include "machine/i8251.h"
#include "bus/rs232/rs232.h"
#include "machine/clock.h"

class konin_state : public driver_device
{
public:
	konin_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_maincpu(*this, "maincpu")
		, m_uart(*this, "uart")
	{ }

	DECLARE_WRITE_LINE_MEMBER(clock_w);

private:
	virtual void machine_reset() override;
	required_device<cpu_device> m_maincpu;
	required_device<i8251_device> m_uart;
};

static ADDRESS_MAP_START( konin_mem, AS_PROGRAM, 8, konin_state )
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x0000, 0x4fff) AM_ROM
	AM_RANGE(0x5000, 0xffff) AM_RAM
ADDRESS_MAP_END

static ADDRESS_MAP_START( konin_io, AS_IO, 8, konin_state )
	ADDRESS_MAP_UNMAP_HIGH
	ADDRESS_MAP_GLOBAL_MASK(0xff)
	AM_RANGE(0xf6, 0xf6) AM_DEVREADWRITE("uart", i8251_device, status_r, control_w)
	AM_RANGE(0xf7, 0xf7) AM_DEVREADWRITE("uart", i8251_device, data_r, data_w)
ADDRESS_MAP_END

/* Input ports */
static INPUT_PORTS_START( konin )
INPUT_PORTS_END

static DEVICE_INPUT_DEFAULTS_START( konin )
	DEVICE_INPUT_DEFAULTS( "RS232_TXBAUD", 0xff, RS232_BAUD_9600 )
	DEVICE_INPUT_DEFAULTS( "RS232_RXBAUD", 0xff, RS232_BAUD_9600 )
	DEVICE_INPUT_DEFAULTS( "RS232_STARTBITS", 0xff, RS232_STARTBITS_1 )
	DEVICE_INPUT_DEFAULTS( "RS232_DATABITS", 0xff, RS232_DATABITS_8 )
	DEVICE_INPUT_DEFAULTS( "RS232_PARITY", 0xff, RS232_PARITY_NONE )
	DEVICE_INPUT_DEFAULTS( "RS232_STOPBITS", 0xff, RS232_STOPBITS_2 )
DEVICE_INPUT_DEFAULTS_END


void konin_state::machine_reset()
{
}

WRITE_LINE_MEMBER( konin_state::clock_w )
{
	m_uart->write_txc(state);
	m_uart->write_rxc(state);
}

static MACHINE_CONFIG_START( konin, konin_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu",Z80, XTAL_4MHz)
	MCFG_CPU_PROGRAM_MAP(konin_mem)
	MCFG_CPU_IO_MAP(konin_io)

	MCFG_DEVICE_ADD("uart", I8251, 0)
	MCFG_I8251_TXD_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_txd))
	MCFG_I8251_DTR_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_dtr))
	MCFG_I8251_RTS_HANDLER(DEVWRITELINE("rs232", rs232_port_device, write_rts))

	MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, "terminal")
	MCFG_RS232_RXD_HANDLER(DEVWRITELINE("uart", i8251_device, write_rxd))
	MCFG_RS232_DSR_HANDLER(DEVWRITELINE("uart", i8251_device, write_dsr))
	MCFG_RS232_CTS_HANDLER(DEVWRITELINE("uart", i8251_device, write_cts))
	MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", konin )

	MCFG_DEVICE_ADD("uart_clock", CLOCK, 153600)
	MCFG_CLOCK_SIGNAL_HANDLER(WRITELINE(konin_state, clock_w))
MACHINE_CONFIG_END

/* ROM definition */
ROM_START( konin )
	ROM_REGION( 0x10000, "maincpu", ROMREGION_ERASEFF )
	ROM_LOAD( "001.bin", 0x0000, 0x0800, CRC(0b13208a) SHA1(38ea17be591b729158d601c03bfd9954f32e0e67))
	ROM_LOAD( "008.bin", 0x0800, 0x0800, CRC(f003e407) SHA1(11f79ef3b90788cf627ee39705bbbd04dbf45f50))
	ROM_LOAD( "007.bin", 0x1000, 0x0800, CRC(3d390c03) SHA1(ac2fe31c065e8f630381d6cebd2eb58b403c1e02))
	ROM_LOAD( "006.bin", 0x1800, 0x0800, CRC(68c9732e) SHA1(f40a79719dca485a2db29be5c0c781f559c2551c))
	ROM_LOAD( "005.bin", 0x2000, 0x0800, CRC(14548ac4) SHA1(8987e528b3e479c4c5941366628f34f086d06838))
	ROM_LOAD( "004.bin", 0x2800, 0x0800, CRC(8a354cff) SHA1(24d9f1fb15458fc96f5265f79d54e030b68d9fc9))
	ROM_LOAD( "002.bin", 0x3000, 0x0800, CRC(791fb30d) SHA1(8dfbe0edb741e02cfdd138432999f89480b20471))
	ROM_LOAD( "003.bin", 0x3800, 0x0800, CRC(27dc9864) SHA1(0d3da7fd1db895883c106f5133f8c7228333ecc8))
	ROM_LOAD( "009.bin", 0x4000, 0x0800, CRC(80947d15) SHA1(0757fb191913d79f306874684f9fc082ce18a28e))
	ROM_LOAD( "010.bin", 0x4800, 0x0800, CRC(f0157e0c) SHA1(60ace1eaf0ba01a45987c2286e18f3d56441c994))
ROM_END

/* Driver */

/*    YEAR  NAME    PARENT  COMPAT   MACHINE    INPUT    INIT    COMPANY       FULLNAME       FLAGS */
COMP( 198?, konin,  0,      0,       konin,     konin, driver_device,   0,    "Mera-Elzab",   "Konin", MACHINE_IS_SKELETON | MACHINE_NOT_WORKING | MACHINE_NO_SOUND)