summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/mkit09.cpp
blob: b3ebef1b5cd2e8419efd5e4d7562630f85ee8013 (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
145
146
147
148
149
150
151
152
153
154
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
// license:BSD-3-Clause
// copyright-holders:Robbbert
/***************************************************************************

    Multitech Microkit09

    2013-12-08 Mostly working driver.

    The only documentation is in French, so the operation of the system
    is a bit of a mystery.

ToDo:
    - Fix Cassette
    - Need software to test with

Pasting:
    0-F : as is
    (inc) : ^
    (dec) : V
    M (memory) : -
    G (Go) : X

Test Paste:
    -0000 00^11^22^33^44^55^66^77^88^99^--0000
    Now press up-arrow to confirm the data has been entered.



    2015-10-02 Added alternate bios found on a forum. Memory map is different.
               Still to fix keyboard and display. No documentation exists.

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

#include "emu.h"
#include "cpu/m6809/m6809.h"
#include "machine/6821pia.h"
#include "imagedev/cassette.h"
#include "sound/wave.h"
#include "mkit09.lh"


class mkit09_state : public driver_device
{
public:
	mkit09_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag)
		, m_pia(*this, "pia")
		, m_cass(*this, "cassette")
		, m_maincpu(*this, "maincpu")
	{ }

	DECLARE_READ8_MEMBER(pa_r);
	DECLARE_READ8_MEMBER(pb_r);
	DECLARE_WRITE8_MEMBER(pa_w);
	DECLARE_WRITE8_MEMBER(pb_w);
	DECLARE_INPUT_CHANGED_MEMBER(trigger_reset);
	DECLARE_INPUT_CHANGED_MEMBER(trigger_nmi);
private:
	UINT8 m_keydata;
	virtual void machine_reset() override;
	required_device<pia6821_device> m_pia;
	required_device<cassette_image_device> m_cass;
	required_device<cpu_device> m_maincpu;
};


static ADDRESS_MAP_START(mkit09_mem, AS_PROGRAM, 8, mkit09_state)
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x0000,0x07ff) AM_MIRROR(0x1800) AM_RAM
	AM_RANGE(0xa004,0xa007) AM_MIRROR(0x1ff8) AM_DEVREADWRITE("pia", pia6821_device, read_alt, write_alt)
	AM_RANGE(0xe000,0xe7ff) AM_MIRROR(0x1800) AM_ROM AM_REGION("roms", 0)
ADDRESS_MAP_END

static ADDRESS_MAP_START(mkit09a_mem, AS_PROGRAM, 8, mkit09_state)
	ADDRESS_MAP_UNMAP_HIGH
	AM_RANGE(0x0000,0x07ff) AM_RAM
	AM_RANGE(0xe600,0xe603) AM_DEVREADWRITE("pia", pia6821_device, read_alt, write_alt)
	AM_RANGE(0xee00,0xefff) AM_RAM
	AM_RANGE(0xf000,0xffff) AM_ROM AM_REGION("roms", 0)
ADDRESS_MAP_END

static ADDRESS_MAP_START( mkit09_io, AS_IO, 8, mkit09_state)
	ADDRESS_MAP_UNMAP_HIGH
ADDRESS_MAP_END

/* Input ports */
static INPUT_PORTS_START( mkit09 )
	PORT_START("X0")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Inc") PORT_CODE(KEYCODE_UP) PORT_CHAR('^')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_5) PORT_CHAR('5')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_4) PORT_CHAR('4')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_3) PORT_CHAR('3')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_2) PORT_CHAR('2')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_1) PORT_CHAR('1')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_0) PORT_CHAR('0')
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("X1")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("Dec") PORT_CODE(KEYCODE_DOWN) PORT_CHAR('V')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_A) PORT_CHAR('A')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_9) PORT_CHAR('9')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_8) PORT_CHAR('8')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_7) PORT_CHAR('7')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_6) PORT_CHAR('6')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED )
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("X2")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("MEM") PORT_CODE(KEYCODE_M) PORT_CHAR('-')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_F) PORT_CHAR('F')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_E) PORT_CHAR('E')
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_D) PORT_CHAR('D')
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_C) PORT_CHAR('C')
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_CODE(KEYCODE_B) PORT_CHAR('B')
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("BP") PORT_CODE(KEYCODE_Q)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("X3")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("REG") PORT_CODE(KEYCODE_R) PORT_CHAR('R')
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("GO") PORT_CODE(KEYCODE_G) PORT_CHAR('X')
	PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("cnt") PORT_CODE(KEYCODE_W)
	PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("ofs") PORT_CODE(KEYCODE_O)
	PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("L") PORT_CODE(KEYCODE_L)
	PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("P") PORT_CODE(KEYCODE_P)
	PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("X") PORT_CODE(KEYCODE_X)
	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )

	PORT_START("SPECIAL")
	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("RST") PORT_CODE(KEYCODE_ESC) PORT_CHANGED_MEMBER(DEVICE_SELF, mkit09_state, trigger_reset, 0)
	PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_KEYBOARD ) PORT_NAME("NMI") PORT_CODE(KEYCODE_F1) PORT_CHANGED_MEMBER(DEVICE_SELF, mkit09_state, trigger_nmi, 0)
INPUT_PORTS_END

INPUT_CHANGED_MEMBER( mkit09_state::trigger_reset )
{
	m_maincpu->set_input_line(INPUT_LINE_RESET, newval ? CLEAR_LINE : ASSERT_LINE);
}

INPUT_CHANGED_MEMBER( mkit09_state::trigger_nmi )
{
	m_maincpu->set_input_line(INPUT_LINE_NMI, newval ? CLEAR_LINE : ASSERT_LINE);
}


void mkit09_state::machine_reset()
{
	m_keydata = 0;
}

// read keyboard
READ8_MEMBER( mkit09_state::pa_r )
{
	if (m_keydata < 4)
	{
		char kbdrow[4];
		sprintf(kbdrow,"X%d",m_keydata);
		return ioport(kbdrow)->read();
	}

	return 0xff;
}

// read cassette
READ8_MEMBER( mkit09_state::pb_r )
{
	return m_keydata | ((m_cass->input() > +0.03) ? 0x80 : 0);
}

// write display segments
WRITE8_MEMBER( mkit09_state::pa_w )
{
	data ^= 0xff;
	if (m_keydata > 3)
	{
		output().set_digit_value(m_keydata, BITSWAP8(data, 7, 0, 5, 6, 4, 2, 1, 3));
		m_keydata = 0;
	}

	return;
}

// write cassette, select keyboard row, select a digit
WRITE8_MEMBER( mkit09_state::pb_w )
{
	m_cass->output(BIT(data, 6) ? -1.0 : +1.0);
	m_keydata = data & 15;
	return;
}


static MACHINE_CONFIG_START( mkit09, mkit09_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu",M6809E, XTAL_4MHz)
	MCFG_CPU_PROGRAM_MAP(mkit09_mem)
	MCFG_CPU_IO_MAP(mkit09_io)

	/* video hardware */
	MCFG_DEFAULT_LAYOUT(layout_mkit09)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)

	/* Devices */
	MCFG_DEVICE_ADD("pia", PIA6821, 0)
	MCFG_PIA_READPA_HANDLER(READ8(mkit09_state, pa_r))
	MCFG_PIA_READPB_HANDLER(READ8(mkit09_state, pb_r))
	MCFG_PIA_WRITEPA_HANDLER(WRITE8(mkit09_state, pa_w))
	MCFG_PIA_WRITEPB_HANDLER(WRITE8(mkit09_state, pb_w))
	MCFG_PIA_IRQA_HANDLER(DEVWRITELINE("maincpu", m6809e_device, irq_line))
	MCFG_PIA_IRQB_HANDLER(DEVWRITELINE("maincpu", m6809e_device, irq_line))

	MCFG_CASSETTE_ADD( "cassette" )
MACHINE_CONFIG_END

static MACHINE_CONFIG_START( mkit09a, mkit09_state )
	/* basic machine hardware */
	MCFG_CPU_ADD("maincpu",M6809E, XTAL_4MHz)
	MCFG_CPU_PROGRAM_MAP(mkit09a_mem)
	MCFG_CPU_IO_MAP(mkit09_io)

	/* video hardware */
	MCFG_DEFAULT_LAYOUT(layout_mkit09)

	/* sound hardware */
	MCFG_SPEAKER_STANDARD_MONO("mono")
	MCFG_SOUND_WAVE_ADD(WAVE_TAG, "cassette")
	MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)

	/* Devices */
	MCFG_DEVICE_ADD("pia", PIA6821, 0)
	MCFG_PIA_READPA_HANDLER(READ8(mkit09_state, pa_r))
	MCFG_PIA_READPB_HANDLER(READ8(mkit09_state, pb_r))
	MCFG_PIA_WRITEPA_HANDLER(WRITE8(mkit09_state, pa_w))
	MCFG_PIA_WRITEPB_HANDLER(WRITE8(mkit09_state, pb_w))
	MCFG_PIA_IRQA_HANDLER(DEVWRITELINE("maincpu", m6809e_device, irq_line))
	MCFG_PIA_IRQB_HANDLER(DEVWRITELINE("maincpu", m6809e_device, irq_line))

	MCFG_CASSETTE_ADD( "cassette" )
MACHINE_CONFIG_END

/* ROM definition */
ROM_START( mkit09 )
	ROM_REGION( 0x800, "roms", 0 )
	ROM_LOAD( "micromon.bin", 0x0000, 0x0800, CRC(c993c7c2) SHA1(2f54a2b423b925798f669f8a6d2cadeb8a82e968) )
ROM_END

ROM_START( mkit09a )
	ROM_REGION( 0x1000, "roms", 0 )
	ROM_LOAD( "ukit09like.bin", 0x0000, 0x1000, CRC(2cdb6a84) SHA1(edfc1dfc954bdba80c3df64abf4d7553343c1fae) )
ROM_END

/* Driver */

/*    YEAR  NAME     PARENT  COMPAT   MACHINE     INPUT   CLASS          INIT    COMPANY         FULLNAME   FLAGS */
COMP( 1983, mkit09,  0,      0,       mkit09,     mkit09, driver_device,   0,   "Multitech",  "Microkit09", MACHINE_NO_SOUND_HW )
COMP( 1983, mkit09a, mkit09, 0,       mkit09a,    mkit09, driver_device,   0,   "Multitech",  "Microkit09 (Alt version)", MACHINE_NOT_WORKING | MACHINE_NO_SOUND_HW )