summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/esqkt.cpp
blob: b1a40fbb73200a5b64cd31e8106e1ba9fddd9b28 (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
258
259
260
261
262
263
264
265
266
267
268
// license:BSD-3-Clause
// copyright-holders:R. Belmont
/***************************************************************************

    esqkt.c - Ensoniq KT-76, KT-88, and E-Prime

    Driver by R. Belmont

    Hardware:
        CPU: 68EC020-16 CPU
        Serial/timers: SCN2681 (MC68681 clone)
        Sound: 2xES5506
        Effects: ES5510

    Memory map:

    0x000000-0x07FFFF   OS ROM
    0x200000-0x20003F   Master ES5506
    0x240000-0x24003F   Slave ES5506
    0x280000-0x2801FF   ES5510
    0x300000-0x30000F   68681 DUART
    0xFF0000-0xFFFFFF   OS RAM

    Ensoniq KT-76
    Ensoniq 1994

    This is a wavetable-based synth keyboard made by Ensoniq in 1994

    PCB Layout
    ----------

    KT-76
    |---------------------------------------------|
    |J12 J3      J11                         J10  |
    |                                  LM393 LM358|
    |                                     74HC4051|
    |ADM691                                       |
    |              62256                          |
    |                                             |
    |3V_BATTERY  KT76_0590_LO.U5          ROM0    |
    |                                             |
    |   68EC020    62256       OTTOR2     ROM1    |
    |                                             |
    |            KT76_690B_HI.U6          ROM2    |
    | PAL1                                        |
    |       HP_6N138                              |
    | PAL2                     OTTOR2           J6|
    |      7407                                   |
    |                                             |
    |          D41464 D41464                      |
    |                                             |
    | SCN2681  D41464 D41464                      |
    |                         137000402           |
    |                                             |
    |                                18.432MHz    |
    |       ESPR6                    16MHz        |
    |    POT                                      |
    |                                  R1136-11   |
    |                                             |
    |                                LM339 LM339  |
    |    J13             J5  J1            J2  J4 |
    |---------------------------------------------|
    Notes:
          J1         - connector for digital jacks
          J2         - connector for keyboard
          J3         - connector for LCD display
          J4         - connector for keyboard
          J5         - connector for power input
          J6         - connector for wave expansion
          J10        - connector for wheels/pressure
          J11        - connector for memory card
          J12        - connector for headphones
          J13        - connector for analog jacks
          68EC020    - Motorola MC68EC020FG16 CPU. Clock input 16MHz
          1370000402 - Unknown PLCC44 IC stamped with the Ensoniq logo. Likely CPLD or gate array.
          ESPR6      - Ensoniq ESPR6 (ES5510) sound chip
          OTTOR2     - Ensoniq OTTOR2 (ES5506) sound chip
          POT        - ESP adjustment pot
          KT76*      - 27C2048/27C210 EPROM
          ROM*       - 2M x8-bit SOP44 mask ROM
          R1136-11   - DIP40 IC manufactured by Rockwell - believed to be some type of MCU.
          D41464     - NEC D41464 64k x4-bit DRAM
          62256      - 32k x8-bit SRAM
          SCN2681    - Philips SCN2681 Dual Universal Asynchronous Receiver/Transmitter (DUART)
          HP_6N138   - HP/Agilent HP 6N138 Low Input Current High Gain Optocoupler
          PAL1       - MMI PAL20L8ACN stamped 'KT-76 MMU 6A0A'. Printing is faint so 0 could be a B or a D.
          PAL2       - MMI PAL20L8ACN stamped 'KT-76 BCU 73D6'

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

#include "bus/midi/midi.h"
#include "cpu/m68000/m68000.h"
#include "cpu/es5510/es5510.h"
#include "sound/es5506.h"
#include "machine/mc68681.h"
#include "machine/esqpanel.h"

class esqkt_state : public driver_device
{
public:
	esqkt_state(const machine_config &mconfig, device_type type, const char *tag)
	: driver_device(mconfig, type, tag),
		m_maincpu(*this, "maincpu"),
		m_esp(*this, "esp"),
		m_duart(*this, "duart"),
		m_sq1panel(*this, "sq1panel"),
		m_mdout(*this, "mdout")
	{ }

	required_device<m68ec020_device> m_maincpu;
	required_device<es5510_device> m_esp;
	required_device<mc68681_device> m_duart;
	required_device<esqpanel2x40_sq1_device> m_sq1panel;
	required_device<midi_port_device> m_mdout;

	virtual void machine_reset() override;

	DECLARE_WRITE_LINE_MEMBER(duart_irq_handler);
	DECLARE_WRITE_LINE_MEMBER(duart_tx_a);
	DECLARE_WRITE_LINE_MEMBER(duart_tx_b);
	DECLARE_WRITE8_MEMBER(duart_output);

	UINT8 m_duart_io;
	bool  m_bCalibSecondByte;

public:
	DECLARE_DRIVER_INIT(kt);
	DECLARE_WRITE_LINE_MEMBER(esq5506_otto_irq);
	DECLARE_READ16_MEMBER(esq5506_read_adc);
};

void esqkt_state::machine_reset()
{
	m_bCalibSecondByte = false;
}

static ADDRESS_MAP_START( kt_map, AS_PROGRAM, 32, esqkt_state )
	AM_RANGE(0x000000, 0x07ffff) AM_ROM AM_REGION("osrom", 0)
	AM_RANGE(0x200000, 0x20003f) AM_DEVREADWRITE8("ensoniq", es5506_device, read, write, 0xffffffff)
	AM_RANGE(0x240000, 0x24003f) AM_DEVREADWRITE8("ensoniq2", es5506_device, read, write, 0xffffffff)
	AM_RANGE(0x280000, 0x2801ff) AM_DEVREADWRITE8("esp", es5510_device, host_r, host_w, 0xffffffff)
	AM_RANGE(0x300000, 0x30001f) AM_DEVREADWRITE8("duart", mc68681_device, read, write, 0xffffffff)
	AM_RANGE(0xff0000, 0xffffff) AM_RAM AM_SHARE("osram")
ADDRESS_MAP_END

WRITE_LINE_MEMBER(esqkt_state::esq5506_otto_irq)
{
	#if 0   // 5505/06 IRQ generation needs (more) work
	m_maincpu->set_input_line(1, state);
	#endif
}

READ16_MEMBER(esqkt_state::esq5506_read_adc)
{
	switch ((m_duart_io & 7) ^ 7)
	{
		case 0:     // vRef to check battery
			return 0x5b00;

		case 2:     // battery voltage
			return 0x7f00;

		default: // pedal
			return 0;
	}

	if (m_duart_io & 1)
	{
		return 0x5b00;              // vRef
	}
	else
	{
		return 0x7f00;              // vBattery
	}
}

WRITE_LINE_MEMBER(esqkt_state::duart_irq_handler)
{
	m_maincpu->set_input_line(M68K_IRQ_3, state);
}

WRITE8_MEMBER(esqkt_state::duart_output)
{
	m_duart_io = data;

//    printf("DUART output: %02x (PC=%x)\n", data, m_maincpu->pc());
}

WRITE_LINE_MEMBER(esqkt_state::duart_tx_a)
{
	m_mdout->write_txd(state);
}

WRITE_LINE_MEMBER(esqkt_state::duart_tx_b)
{
	m_sq1panel->rx_w(state);
}

static MACHINE_CONFIG_START( kt, esqkt_state )
	MCFG_CPU_ADD("maincpu", M68EC020, XTAL_16MHz)
	MCFG_CPU_PROGRAM_MAP(kt_map)

	MCFG_CPU_ADD("esp", ES5510, XTAL_10MHz)
	MCFG_DEVICE_DISABLE()

	MCFG_ESQPANEL2x40_SQ1_ADD("sq1panel")
	MCFG_ESQPANEL_TX_CALLBACK(DEVWRITELINE("duart", mc68681_device, rx_b_w))

	MCFG_MC68681_ADD("duart", 4000000)
	MCFG_MC68681_IRQ_CALLBACK(WRITELINE(esqkt_state, duart_irq_handler))
	MCFG_MC68681_A_TX_CALLBACK(WRITELINE(esqkt_state, duart_tx_a))
	MCFG_MC68681_B_TX_CALLBACK(WRITELINE(esqkt_state, duart_tx_b))
	MCFG_MC68681_OUTPORT_CALLBACK(WRITE8(esqkt_state, duart_output))
	MCFG_MC68681_SET_EXTERNAL_CLOCKS(500000, 500000, 1000000, 1000000)
	MCFG_MC68681_SET_EXTERNAL_CLOCKS(500000, 500000, 1000000, 1000000)

	MCFG_MIDI_PORT_ADD("mdin", midiin_slot, "midiin")
	MCFG_MIDI_RX_HANDLER(DEVWRITELINE("duart", mc68681_device, rx_a_w)) // route MIDI Tx send directly to 68681 channel A Rx

	MCFG_MIDI_PORT_ADD("mdout", midiout_slot, "midiout")

	MCFG_SPEAKER_STANDARD_STEREO("lspeaker", "rspeaker")
	MCFG_SOUND_ADD("ensoniq", ES5506, XTAL_16MHz)
	MCFG_ES5506_REGION0("waverom")  /* Bank 0 */
	MCFG_ES5506_REGION1("waverom2") /* Bank 1 */
	MCFG_ES5506_REGION2("waverom3") /* Bank 0 */
	MCFG_ES5506_REGION3("waverom4") /* Bank 1 */
	MCFG_ES5506_CHANNELS(1)          /* channels */
	MCFG_ES5506_IRQ_CB(WRITELINE(esqkt_state, esq5506_otto_irq)) /* irq */
	MCFG_ES5506_READ_PORT_CB(READ16(esqkt_state, esq5506_read_adc))
	MCFG_SOUND_ROUTE(0, "lspeaker", 0.5)
	MCFG_SOUND_ROUTE(1, "rspeaker", 0.5)
	MCFG_SOUND_ADD("ensoniq2", ES5506, XTAL_16MHz)
	MCFG_ES5506_REGION0("waverom")  /* Bank 0 */
	MCFG_ES5506_REGION1("waverom2") /* Bank 1 */
	MCFG_ES5506_REGION2("waverom3") /* Bank 0 */
	MCFG_ES5506_REGION3("waverom4") /* Bank 1 */
	MCFG_ES5506_CHANNELS(1)          /* channels */
	MCFG_SOUND_ROUTE(0, "lspeaker", 0.5)
	MCFG_SOUND_ROUTE(1, "rspeaker", 0.5)
MACHINE_CONFIG_END

static INPUT_PORTS_START( kt )
INPUT_PORTS_END

ROM_START( kt76 )
	ROM_REGION(0x80000, "osrom", 0)
	ROM_LOAD32_WORD( "kt76_162_lo.bin", 0x000000, 0x020000, CRC(1a1ab910) SHA1(dcc80db2297fd25993e090c2e5bb7f947319a8bf) )
	ROM_LOAD32_WORD( "kt76_162_hi.bin", 0x000002, 0x040000, CRC(de16d236) SHA1(c55fca86453e90e8c34a048bed45817063237370) )

	ROM_REGION(0x400000, "waverom", ROMREGION_ERASE00)
	ROM_LOAD16_BYTE( "1351000401_rom0.u103", 0x000001, 0x200000, CRC(425047af) SHA1(9680d1fc222b29ba24f0fbf6136982bee87a60ef) )

	ROM_REGION(0x400000, "waverom2", ROMREGION_ERASE00)
	ROM_LOAD16_BYTE( "1351000402_rom1.u102", 0x000001, 0x200000, CRC(64459185) SHA1(0fa20b16847fc02a384057fc3d385226eb3e7527) )

	ROM_REGION(0x400000, "waverom3", ROMREGION_ERASE00)
	ROM_LOAD16_BYTE( "1351000403_rom2.u104", 0x000001, 0x200000, CRC(c2aacc5d) SHA1(7fab518ba92ddb23cdc4dcb04751b26d25c298c0) )

	ROM_REGION(0x200000, "waverom4", ROMREGION_ERASE00)
ROM_END

DRIVER_INIT_MEMBER(esqkt_state, kt)
{
	m_duart_io = 0;
}

CONS( 1996, kt76, 0, 0, kt, kt, esqkt_state, kt, "Ensoniq", "KT-76", MACHINE_IMPERFECT_SOUND )