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diff --git a/src/mame/drivers/esq1.c b/src/mame/drivers/esq1.c
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont, Olivier Galibert
+/***************************************************************************
+
+ drivers/esq1.c
+
+ Ensoniq ESQ-1 Digital Wave Synthesizer
+ Ensoniq ESQ-M (rack-mount ESQ-1)
+ Ensoniq SQ-80 Cross Wave Synthesizer
+ Driver by R. Belmont and O. Galibert
+
+ Map for ESQ-1 and ESQ-m:
+ 0000-1fff: OS RAM
+ 2000-3fff: Cartridge
+ 4000-5fff: SEQRAM
+ 6000-63ff: ES5503 DOC
+ 6400-67ff: MC2681 DUART
+ 6800-6fff: AD7524 (CV_MUX)
+ 7000-7fff: OS ROM low (banked)
+ 8000-ffff: OS ROM high (fixed)
+
+ Map for SQ-80:
+ 0000-1fff: OS RAM
+ 2000-3fff: Cartridge
+ 4000-5fff: DOSRAM or SEQRAM (banked)
+ 6000-63ff: ES5503 DOC
+ 6400-67ff: MC2681 DUART
+ 6800-6bff: AD7524 (CV_MUX)
+ 6c00-6dff: Mapper (bit 0 only - determines DOSRAM or SEQRAM at 4000)
+ 6e00-6fff: WD1772 FDC (not present on ESQ1)
+ 7000-7fff: OS ROM low (banked)
+ 8000-ffff: OS ROM high (fixed)
+
+ CV_MUX area:
+ write to output goes to
+ $68f8 $00 D/A converter
+ $68f0 -$08 Filter Frequency (FF)
+ $68e8 -$10 Filter Resonance (Q)
+ $68d8 -$20 Final DCA (ENV4)
+ $68b8 -$40 Panning (PAN)
+ $6878 -$80 Floppy (Motor/LED on - SQ-80 only)
+
+ESQ1: 8x CEM3379 VC Signal Processor Filter/Mix/VCA, 1x CEM3360 Dual VCA, 4x SSM2300
+SQ-80: 8x CEM3379 VC Signal Processor - Filter/Mix/VCA, 1x CEM3360 Dual VCA, 4x SSM2300
+
+
+If SEQRAM is mapped at 4000, DUART port 2 determines the 32KB "master bank" and ports 0 and 1
+determine which of the 4 8KB "sub banks" is visible.
+
+Output ports 3 to 1 determine the 4kB page which should be shown at $7000 to $7fff.
+
+IRQ sources are the DUART and the DRQ line from the FDC (SQ-80 only).
+NMI is from the IRQ line on the FDC (again, SQ-80 only).
+
+TODO:
+ - VFD display
+ - Keyboard
+ - Analog filters and VCA on the back end of the 5503
+ - SQ-80 support (additional banking, FDC)
+
+NOTES:
+ Commands from KPC are all 2 bytes
+
+ first byte: command code, bit 7 is 1 = press, 0 = release
+ second byte is source: 00 = panel 01 = internal keyboard
+
+ 04 SEQ
+ 05 CART A
+ 06 CART B
+ 07 INT
+ 08 1 / SEQ 1
+ 09 2 / SEQ 2
+ 0A 3 / SEQ 3
+ 0B 4 / SONG
+ 0C COMPARE
+ 0D DATA UP
+ 0E DATA DOWN
+ 0F WRITE
+ 10 = UPPER 1 (buttons above display)
+ 11 = UPPER 2
+ 12 = UPPER 3
+ 13 = UPPER 4
+ 14 = UPPER 5
+ 15 = LOWER 1 (buttons below display)
+ 16 = LOWER 2
+ 17 = LOWER 3
+ 18 = LOWER 4
+ 19 = LOWER 5
+ 1a = LFO 1
+ 1b = ENV 2
+ 1c = MASTER
+ 1d = CREATE / ERASE
+ 1e = SELECT
+ 1f = RECORD
+ 20 = STORAGE
+ 21 = EDIT
+ 22 = MIX
+ 23 = STOP / CONT
+ 24 = MIDI
+ 25 = CONTROL
+ 26 = LOCATE
+ 27 = PLAY
+ 28 = OSC 1
+ 29 = OSC 2
+ 2A = OSC 3
+ 2B = ENV 1
+ 2C = DCA 1
+ 2D = DCA 2
+ 2E = DCA 3
+ 2F = LFO 2
+ 30 = LFO 3
+ 31 = FILTER
+ 32 = ENV 4
+ 33 = ENV 3
+ 34 = DCA 4
+ 35 = MODES
+ 36 = SPLIT / LAYER
+
+
+ Analog filters (CEM3379):
+
+ The analog part is relatively simple. The digital part outputs 8
+ voices, which are filtered, amplified, panned then summed
+ together.
+
+ The filtering stage is a 4-level lowpass filter with a loopback:
+
+
+ +-[+]-<-[*-1]--------------------------+
+ | | |
+ ^ [*r] |
+ | | |
+ | v ^
+ input ---+-[+]--[LPF]---[LPF]---[LPF]---[LPF]---+--- output
+
+ All 4 LPFs are identical, with a transconductance G:
+
+ output = 1/(1+s/G)^4 * ( (1+r)*input - r*output)
+
+ or
+
+ output = input * (1+r)/((1+s/G)^4+r)
+
+ to which the usual z-transform can be applied (see votrax.c)
+
+ G is voltage controlled through the Vfreq input, with the formula (Vfreq in mV):
+
+ G = 6060*exp(Vfreq/28.5)
+
+ That gives a cutoff frequency (f=G/(2pi)) of 5Hz at 5mV, 964Hz at
+ 28.5mV and 22686Hz at 90mV. The resistor ladder between the DAC
+ and the input seem to map 0..255 into a range of -150.4mV to
+ +83.6mV.
+
+ The resonance is controlled through the Vq input pin, and is not
+ well defined. Reading between the lines the control seems linear
+ and tops when then circuit is self-oscillation, at r=4.
+
+ The amplification is exponential for a control voltage between 0
+ to 0.2V from -100dB to -20dB, and then linear up to 5V at 0dB. Or
+ in other words:
+ amp(Vca) = Vca < 0.2 ? 10**(-5+20*Vca) : Vca*0.1875 + 0.0625
+
+
+ Finally the panning is not very described. What is clear is that
+ the control voltage at 2.5V gives a gain of -6dB, the max
+ attenuation at 0/5V is -100dB. The doc also says the gain is
+ linear between 1V and 3.5V, which makes no sense since it's not
+ symmetrical, and logarithmic afterwards, probably meaning
+ exponential, otherwise the change between 0 and 1V would be
+ minimal. So we're going to do some assumptions:
+ - 0-1V exponential from -100Db to -30dB
+ - 1V-2.5V linear from -30dB to -6dB
+ - 2.5V-5V is 1-amp at 2.5V-v
+
+ Note that this may be incorrect, maybe to sum of squares should be
+ constant, the half-point should be at -3dB and the linearity in dB
+ space.
+
+
+***************************************************************************/
+
+#include "bus/midi/midi.h"
+#include "cpu/m6809/m6809.h"
+#include "sound/es5503.h"
+#include "machine/mc68681.h"
+#include "machine/wd_fdc.h"
+#include "machine/esqpanel.h"
+
+#define WD1772_TAG "wd1772"
+
+class esq1_filters : public device_t,
+ public device_sound_interface
+{
+public:
+ // construction/destruction
+ esq1_filters(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ void set_vca(int channel, UINT8 value);
+ void set_vpan(int channel, UINT8 value);
+ void set_vq(int channel, UINT8 value);
+ void set_vfc(int channel, UINT8 value);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+
+ // device_sound_interface overrides
+ virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples);
+
+private:
+ struct filter {
+ UINT8 vca, vpan, vq, vfc;
+ double amp, lamp, ramp;
+ double a[5], b[5];
+ double x[4], y[4];
+ };
+
+ filter filters[8];
+
+ sound_stream *stream;
+
+ void recalc_filter(filter &f);
+};
+
+static const device_type ESQ1_FILTERS = &device_creator<esq1_filters>;
+
+esq1_filters::esq1_filters(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+ : device_t(mconfig, ESQ1_FILTERS, "ESQ1 Filters stage", tag, owner, clock, "esq1-filters", __FILE__),
+ device_sound_interface(mconfig, *this)
+{
+}
+
+void esq1_filters::set_vca(int channel, UINT8 value)
+{
+ if(filters[channel].vca != value) {
+ stream->update();
+ filters[channel].vca = value;
+ recalc_filter(filters[channel]);
+ }
+}
+
+void esq1_filters::set_vpan(int channel, UINT8 value)
+{
+ if(filters[channel].vpan != value) {
+ stream->update();
+ filters[channel].vpan = value;
+ recalc_filter(filters[channel]);
+ }
+}
+
+void esq1_filters::set_vq(int channel, UINT8 value)
+{
+ if(filters[channel].vq != value) {
+ stream->update();
+ filters[channel].vq = value;
+ recalc_filter(filters[channel]);
+ }
+}
+
+void esq1_filters::set_vfc(int channel, UINT8 value)
+{
+ if(filters[channel].vfc != value) {
+ stream->update();
+ filters[channel].vfc = value;
+ recalc_filter(filters[channel]);
+ }
+}
+
+void esq1_filters::recalc_filter(filter &f)
+{
+ // Filtering stage
+ // First let's establish the control values
+ // Some tuning may be required
+
+ double vfc = -150.4 + (83.6+150.4)*f.vfc/255;
+ double r = 4.0*f.vq/255;
+
+
+ double g = 6060*exp(vfc/28.5);
+ double zc = g/tan(g/2/44100);
+
+/* if(f.vfc) {
+ double ff = g/(2*M_PI);
+ double fzc = 2*M_PI*ff/tan(M_PI*ff/44100);
+ fprintf(stderr, "%02x f=%f zc=%f zc1=%f\n", f.vfc, g/(2*M_PI), zc, fzc);
+ }*/
+
+ double gzc = zc/g;
+ double gzc2 = gzc*gzc;
+ double gzc3 = gzc2*gzc;
+ double gzc4 = gzc3*gzc;
+ double r1 = 1+r;
+
+ f.a[0] = r1;
+ f.a[1] = 4*r1;
+ f.a[2] = 6*r1;
+ f.a[3] = 4*r1;
+ f.a[4] = r1;
+
+ f.b[0] = r1 + 4*gzc + 6*gzc2 + 4*gzc3 + gzc4;
+ f.b[1] = 4*(r1 + 2*gzc - 2*gzc3 - gzc4);
+ f.b[2] = 6*(r1 - 2*gzc2 + gzc4);
+ f.b[3] = 4*(r1 - 2*gzc + 2*gzc3 - gzc4);
+ f.b[4] = r1 - 4*gzc + 6*gzc2 - 4*gzc3 + gzc4;
+
+/* if(f.vfc != 0)
+ for(int i=0; i<5; i++)
+ printf("a%d=%f\nb%d=%f\n",
+ i, f.a[i], i, f.b[i]);*/
+
+ // Amplification stage
+ double vca = f.vca*(5.0/255.0);
+ f.amp = vca < 0.2 ? pow(10, -5+20*vca) : vca*0.1875 + 0.0625;
+
+ // Panning stage
+ // Very approximative at best
+ // Left/right unverified
+ double vpan = f.vpan*(5.0/255.0);
+ double vref = vpan > 2.5 ? 2.5 - vpan : vpan;
+ double pan_amp = vref < 1 ? pow(10, -5+3.5*vref) : vref*0.312 - 0.280;
+ if(vref < 2.5) {
+ f.lamp = pan_amp;
+ f.ramp = 1-pan_amp;
+ } else {
+ f.lamp = 1-pan_amp;
+ f.ramp = pan_amp;
+ }
+}
+
+void esq1_filters::device_start()
+{
+ stream = stream_alloc(8, 2, 44100);
+ memset(filters, 0, sizeof(filters));
+ for(int i=0; i<8; i++)
+ recalc_filter(filters[i]);
+}
+
+void esq1_filters::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
+{
+/* if(0) {
+ for(int i=0; i<8; i++)
+ fprintf(stderr, " [%02x %02x %02x %02x]",
+ filters[i].vca,
+ filters[i].vpan,
+ filters[i].vq,
+ filters[i].vfc);
+ fprintf(stderr, "\n");
+ }*/
+
+ for(int i=0; i<samples; i++) {
+ double l=0, r=0;
+ for(int j=0; j<8; j++) {
+ filter &f = filters[j];
+ double x = inputs[j][i];
+ double y = (x*f.a[0]
+ + f.x[0]*f.a[1] + f.x[1]*f.a[2] + f.x[2]*f.a[3] + f.x[3]*f.a[4]
+ - f.y[0]*f.b[1] - f.y[1]*f.b[2] - f.y[2]*f.b[3] - f.y[3]*f.b[4]) / f.b[0];
+ memmove(f.x+1, f.x, 3*sizeof(double));
+ memmove(f.y+1, f.y, 3*sizeof(double));
+ f.x[0] = x;
+ f.y[0] = y;
+ y = y * f.amp;
+ l += y * f.lamp;
+ r += y * f.ramp;
+ }
+ static double maxl = 0;
+ if(l > maxl) {
+ maxl = l;
+// fprintf(stderr, "%f\n", maxl);
+ }
+
+// l *= 6553;
+// r *= 6553;
+ l *= 2;
+ r *= 2;
+ outputs[0][i] = l < -32768 ? -32768 : l > 32767 ? 32767 : int(l);
+ outputs[1][i] = r < -32768 ? -32768 : r > 32767 ? 32767 : int(r);
+ }
+}
+
+class esq1_state : public driver_device
+{
+public:
+ esq1_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag),
+ m_maincpu(*this, "maincpu"),
+ m_duart(*this, "duart"),
+ m_filters(*this, "filters"),
+ m_fdc(*this, WD1772_TAG),
+ m_panel(*this, "panel"),
+ m_mdout(*this, "mdout")
+ { }
+
+ required_device<cpu_device> m_maincpu;
+ required_device<mc68681_device> m_duart;
+ required_device<esq1_filters> m_filters;
+ optional_device<wd1772_t> m_fdc;
+ optional_device<esqpanel2x40_device> m_panel;
+ optional_device<midi_port_device> m_mdout;
+
+ DECLARE_READ8_MEMBER(wd1772_r);
+ DECLARE_WRITE8_MEMBER(wd1772_w);
+ DECLARE_READ8_MEMBER(seqdosram_r);
+ DECLARE_WRITE8_MEMBER(seqdosram_w);
+ DECLARE_WRITE8_MEMBER(mapper_w);
+ DECLARE_WRITE8_MEMBER(analog_w);
+
+ 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);
+
+ DECLARE_WRITE_LINE_MEMBER(esq1_doc_irq);
+ DECLARE_READ8_MEMBER(esq1_adc_read);
+
+ int m_mapper_state;
+ int m_seq_bank;
+ UINT8 m_seqram[0x10000];
+ UINT8 m_dosram[0x2000];
+ virtual void machine_reset();
+ DECLARE_INPUT_CHANGED_MEMBER(key_stroke);
+
+ void send_through_panel(UINT8 data);
+};
+
+
+WRITE_LINE_MEMBER(esq1_state::esq1_doc_irq)
+{
+}
+
+READ8_MEMBER(esq1_state::esq1_adc_read)
+{
+ return 0x00;
+}
+
+void esq1_state::machine_reset()
+{
+ // set default OSROM banking
+ membank("osbank")->set_base(memregion("osrom")->base() );
+
+ m_mapper_state = 0;
+ m_seq_bank = 0;
+}
+
+READ8_MEMBER(esq1_state::wd1772_r)
+{
+ return m_fdc->read(space, offset&3);
+}
+
+WRITE8_MEMBER(esq1_state::wd1772_w)
+{
+ m_fdc->write(space, offset&3, data);
+}
+
+WRITE8_MEMBER(esq1_state::mapper_w)
+{
+ m_mapper_state = (data & 1) ^ 1;
+
+// printf("mapper_state = %d\n", data ^ 1);
+}
+
+WRITE8_MEMBER(esq1_state::analog_w)
+{
+ if(!(offset & 8))
+ m_filters->set_vfc(offset & 7, data);
+ if(!(offset & 16))
+ m_filters->set_vq(offset & 7, data);
+ if(!(offset & 32))
+ m_filters->set_vpan(offset & 7, data);
+ if(!(offset & 64))
+ m_filters->set_vca(offset & 7, data);
+}
+
+READ8_MEMBER(esq1_state::seqdosram_r)
+{
+ if (m_mapper_state)
+ {
+ return m_dosram[offset];
+ }
+ else
+ {
+ return m_seqram[offset + m_seq_bank];
+ }
+}
+
+WRITE8_MEMBER(esq1_state::seqdosram_w)
+{
+ if (m_mapper_state)
+ {
+ m_dosram[offset] = data;
+ }
+ else
+ {
+ m_seqram[offset + m_seq_bank] = data;
+ }
+}
+
+static ADDRESS_MAP_START( esq1_map, AS_PROGRAM, 8, esq1_state )
+ AM_RANGE(0x0000, 0x1fff) AM_RAM // OSRAM
+ AM_RANGE(0x4000, 0x5fff) AM_RAM // SEQRAM
+ AM_RANGE(0x6000, 0x63ff) AM_DEVREADWRITE("es5503", es5503_device, read, write)
+ AM_RANGE(0x6400, 0x640f) AM_DEVREADWRITE("duart", mc68681_device, read, write)
+ AM_RANGE(0x6800, 0x68ff) AM_WRITE(analog_w)
+ AM_RANGE(0x7000, 0x7fff) AM_ROMBANK("osbank")
+ AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION("osrom", 0x8000) // OS "high" ROM is always mapped here
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( sq80_map, AS_PROGRAM, 8, esq1_state )
+ AM_RANGE(0x0000, 0x1fff) AM_RAM // OSRAM
+ AM_RANGE(0x4000, 0x5fff) AM_RAM // SEQRAM
+// AM_RANGE(0x4000, 0x5fff) AM_READWRITE(seqdosram_r, seqdosram_w)
+ AM_RANGE(0x6000, 0x63ff) AM_DEVREADWRITE("es5503", es5503_device, read, write)
+ AM_RANGE(0x6400, 0x640f) AM_DEVREADWRITE("duart", mc68681_device, read, write)
+ AM_RANGE(0x6800, 0x68ff) AM_WRITE(analog_w)
+ AM_RANGE(0x6c00, 0x6dff) AM_WRITE(mapper_w)
+ AM_RANGE(0x6e00, 0x6fff) AM_READWRITE(wd1772_r, wd1772_w)
+ AM_RANGE(0x7000, 0x7fff) AM_ROMBANK("osbank")
+ AM_RANGE(0x8000, 0xffff) AM_ROM AM_REGION("osrom", 0x8000) // OS "high" ROM is always mapped here
+ADDRESS_MAP_END
+
+// from the schematics:
+//
+// DUART channel A is MIDI
+// channel B is to the keyboard/display
+// IP0 = tape in
+// IP1 = sequencer expansion cartridge inserted
+// IP2 = patch cartridge inserted
+// IP3 & 4 are 0.5 MHz, IP 5 & 6 are 1 MHz (note 0.5 MHz / 16 = MIDI baud rate)
+//
+// OP0 = to display processor
+// OP1/2/3 = bank select 0, 1, and 2
+// OP4 = metronome low
+// OP5 = metronome hi
+// OP6/7 = tape out
+
+WRITE_LINE_MEMBER(esq1_state::duart_irq_handler)
+{
+ m_maincpu->set_input_line(M6809_IRQ_LINE, state);
+}
+
+WRITE8_MEMBER(esq1_state::duart_output)
+{
+ int bank = ((data >> 1) & 0x7);
+// printf("DP [%02x]: %d mlo %d mhi %d tape %d\n", data, data&1, (data>>4)&1, (data>>5)&1, (data>>6)&3);
+// printf("[%02x] bank %d => offset %x (PC=%x)\n", data, bank, bank * 0x1000, m_maincpu->safe_pc());
+ membank("osbank")->set_base(memregion("osrom")->base() + (bank * 0x1000) );
+
+ m_seq_bank = (data & 0x8) ? 0x8000 : 0x0000;
+ m_seq_bank += ((data>>1) & 3) * 0x2000;
+// printf("seqram_bank = %x\n", state->m_seq_bank);
+}
+
+// MIDI send
+WRITE_LINE_MEMBER(esq1_state::duart_tx_a)
+{
+ m_mdout->write_txd(state);
+}
+
+WRITE_LINE_MEMBER(esq1_state::duart_tx_b)
+{
+ m_panel->rx_w(state);
+}
+
+void esq1_state::send_through_panel(UINT8 data)
+{
+ m_panel->xmit_char(data);
+}
+
+INPUT_CHANGED_MEMBER(esq1_state::key_stroke)
+{
+ if (oldval == 0 && newval == 1)
+ {
+ send_through_panel((UINT8)(FPTR)param);
+ send_through_panel((UINT8)(FPTR)0x00);
+ }
+ else if (oldval == 1 && newval == 0)
+ {
+ send_through_panel((UINT8)(FPTR)param&0x7f);
+ send_through_panel((UINT8)(FPTR)0x00);
+ }
+}
+
+static MACHINE_CONFIG_START( esq1, esq1_state )
+ MCFG_CPU_ADD("maincpu", M6809E, 4000000) // how fast is it?
+ MCFG_CPU_PROGRAM_MAP(esq1_map)
+
+ MCFG_MC68681_ADD("duart", 4000000)
+ MCFG_MC68681_SET_EXTERNAL_CLOCKS(500000, 500000, 1000000, 1000000)
+ MCFG_MC68681_IRQ_CALLBACK(WRITELINE(esq1_state, duart_irq_handler))
+ MCFG_MC68681_A_TX_CALLBACK(WRITELINE(esq1_state, duart_tx_a))
+ MCFG_MC68681_B_TX_CALLBACK(WRITELINE(esq1_state, duart_tx_b))
+ MCFG_MC68681_OUTPORT_CALLBACK(WRITE8(esq1_state, duart_output))
+
+ MCFG_ESQPANEL2x40_ADD("panel")
+ MCFG_ESQPANEL_TX_CALLBACK(DEVWRITELINE("duart", mc68681_device, rx_b_w))
+
+ 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("filters", ESQ1_FILTERS, 0)
+ MCFG_SOUND_ROUTE(0, "lspeaker", 1.0)
+ MCFG_SOUND_ROUTE(1, "rspeaker", 1.0)
+
+ MCFG_ES5503_ADD("es5503", 7000000)
+ MCFG_ES5503_OUTPUT_CHANNELS(8)
+ MCFG_ES5503_IRQ_FUNC(WRITELINE(esq1_state, esq1_doc_irq))
+ MCFG_ES5503_ADC_FUNC(READ8(esq1_state, esq1_adc_read))
+
+ MCFG_SOUND_ROUTE_EX(0, "filters", 1.0, 0)
+ MCFG_SOUND_ROUTE_EX(1, "filters", 1.0, 1)
+ MCFG_SOUND_ROUTE_EX(2, "filters", 1.0, 2)
+ MCFG_SOUND_ROUTE_EX(3, "filters", 1.0, 3)
+ MCFG_SOUND_ROUTE_EX(4, "filters", 1.0, 4)
+ MCFG_SOUND_ROUTE_EX(5, "filters", 1.0, 5)
+ MCFG_SOUND_ROUTE_EX(6, "filters", 1.0, 6)
+ MCFG_SOUND_ROUTE_EX(7, "filters", 1.0, 7)
+MACHINE_CONFIG_END
+
+static MACHINE_CONFIG_DERIVED(sq80, esq1)
+ MCFG_CPU_MODIFY("maincpu")
+ MCFG_CPU_PROGRAM_MAP(sq80_map)
+
+ MCFG_WD1772_ADD(WD1772_TAG, 4000000)
+MACHINE_CONFIG_END
+
+static INPUT_PORTS_START( esq1 )
+ PORT_START("KEY0")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_Q) PORT_CHAR('q') PORT_CHAR('Q') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x84) PORT_NAME("SEQ")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_W) PORT_CHAR('w') PORT_CHAR('W') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x85) PORT_NAME("CART A")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_E) PORT_CHAR('e') PORT_CHAR('E') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x86) PORT_NAME("CART B")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_R) PORT_CHAR('r') PORT_CHAR('R') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x87) PORT_NAME("INT")
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_A) PORT_CHAR('a') PORT_CHAR('A') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x88) PORT_NAME("1 / SEQ 1")
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_S) PORT_CHAR('s') PORT_CHAR('S') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x89) PORT_NAME("2 / SEQ 2")
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_D) PORT_CHAR('d') PORT_CHAR('D') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x8a) PORT_NAME("3 / SEQ 3")
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_F) PORT_CHAR('f') PORT_CHAR('F') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x8b) PORT_NAME("4 / SONG")
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_G) PORT_CHAR('g') PORT_CHAR('Z') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x8c) PORT_NAME("COMPARE")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_MINUS) PORT_CHAR('-') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x8e) PORT_NAME("DATA DOWN")
+ PORT_BIT(0x0400, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_EQUALS) PORT_CHAR('=') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x8d) PORT_NAME("DATA UP")
+ PORT_BIT(0x0800, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_ENTER) PORT_CHAR('\r') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x8f) PORT_NAME("WRITE")
+
+ PORT_START("KEY1")
+ PORT_BIT(0x0001, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_1) PORT_CHAR('1') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x90) PORT_NAME("UPPER 1")
+ PORT_BIT(0x0002, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_2) PORT_CHAR('2') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x91) PORT_NAME("UPPER 2")
+ PORT_BIT(0x0004, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_3) PORT_CHAR('3') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x92) PORT_NAME("UPPER 3")
+ PORT_BIT(0x0008, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_4) PORT_CHAR('4') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x93) PORT_NAME("UPPER 4")
+ PORT_BIT(0x0010, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_5) PORT_CHAR('5') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x99) PORT_NAME("UPPER 5")
+ PORT_BIT(0x0020, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_6) PORT_CHAR('6') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x94) PORT_NAME("LOWER 1")
+ PORT_BIT(0x0040, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_7) PORT_CHAR('7') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x95) PORT_NAME("LOWER 2")
+ PORT_BIT(0x0080, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_8) PORT_CHAR('8') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x96) PORT_NAME("LOWER 3")
+ PORT_BIT(0x0100, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_9) PORT_CHAR('9') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x97) PORT_NAME("LOWER 4")
+ PORT_BIT(0x0200, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_CODE(KEYCODE_0) PORT_CHAR('0') PORT_CHANGED_MEMBER(DEVICE_SELF, esq1_state, key_stroke, 0x98) PORT_NAME("LOWER 5")
+
+
+INPUT_PORTS_END
+
+ROM_START( esq1 )
+ ROM_REGION(0x10000, "osrom", 0)
+ ROM_LOAD( "3p5lo.bin", 0x0000, 0x8000, CRC(ed001ad8) SHA1(14d1150bccdbc15d90567cf1812aacdb3b6ee882) )
+ ROM_LOAD( "3p5hi.bin", 0x8000, 0x8000, CRC(332c572f) SHA1(ddb4f62807eb2ab29e5ac6b5d209d2ecc74cf806) )
+
+ ROM_REGION(0x20000, "es5503", 0)
+ ROM_LOAD( "esq1wavlo.bin", 0x0000, 0x8000, CRC(4d04ac87) SHA1(867b51229b0a82c886bf3b216aa8893748236d8b) )
+ ROM_LOAD( "esq1wavhi.bin", 0x8000, 0x8000, CRC(94c554a3) SHA1(ed0318e5253637585559e8cf24c06d6115bd18f6) )
+ROM_END
+
+ROM_START( sq80 )
+ ROM_REGION(0x10000, "osrom", 0)
+ ROM_LOAD( "sq80rom.low", 0x0000, 0x008000, CRC(97ecd9a0) SHA1(cadff16ebbc15b52cf1d3335d22dc930d430a058) )
+ ROM_LOAD( "sq80rom.hig", 0x8000, 0x008000, CRC(f83962b1) SHA1(e3e5cf41f15a37f8bf29b88fb1c85c0fca9ea912) )
+
+ ROM_REGION(0x40000, "es5503", 0)
+ ROM_LOAD( "2202.bin", 0x0000, 0x010000, CRC(dffd538c) SHA1(e90f6ff3a7804b54c8a3b1b574ec9c223a6c2bf9) )
+ ROM_LOAD( "2203.bin", 0x0000, 0x010000, CRC(9be8cceb) SHA1(1ee4d7e6d2171b44e88e464071bdc4b800b69c4a) )
+ ROM_LOAD( "2204.bin", 0x0000, 0x010000, CRC(4937c6f7) SHA1(4505efb9b28fe6d4bcc1f79e81a70bb215c399cb) )
+ ROM_LOAD( "2205.bin", 0x0000, 0x010000, CRC(0f917d40) SHA1(1cfae9c80088f4c90b3c9e0b284c3b91f7ff61b9) )
+
+ ROM_REGION(0x8000, "kpc", 0) // 68HC11 keyboard/front panel processor
+ ROM_LOAD( "sq80_kpc_150.bin", 0x000000, 0x008000, CRC(8170b728) SHA1(3ad68bb03948e51b20d2e54309baa5c02a468f7c) )
+ROM_END
+
+ROM_START( esqm )
+ ROM_REGION(0x10000, "osrom", 0)
+ ROM_LOAD( "1355500157_d640_esq-m_oshi.u14", 0x8000, 0x008000, CRC(ea6a7bae) SHA1(2830f8c52dc443b4ca469dc190b33e2ff15b78e1) )
+
+ ROM_REGION(0x20000, "es5503", 0)
+ ROM_LOAD( "esq1wavlo.bin", 0x0000, 0x8000, CRC(4d04ac87) SHA1(867b51229b0a82c886bf3b216aa8893748236d8b) )
+ ROM_LOAD( "esq1wavhi.bin", 0x8000, 0x8000, CRC(94c554a3) SHA1(ed0318e5253637585559e8cf24c06d6115bd18f6) )
+ROM_END
+
+
+CONS( 1986, esq1, 0 , 0, esq1, esq1, driver_device, 0, "Ensoniq", "ESQ-1", MACHINE_NOT_WORKING )
+CONS( 1986, esqm, esq1, 0, esq1, esq1, driver_device, 0, "Ensoniq", "ESQ-M", MACHINE_NOT_WORKING )
+CONS( 1988, sq80, 0, 0, sq80, esq1, driver_device, 0, "Ensoniq", "SQ-80", MACHINE_NOT_WORKING )