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// license: BSD-3-Clause
// copyright-holders: Dirk Best
/***************************************************************************
Casio RZ-1
Sampling drum machine
Sound ROM info:
Each ROM chip holds 1.49s of sounds and can be opened as raw
PCM data: signed 8-bit, mono, 20,000 Hz.
* Sound A: Toms 1~3, Kick, Snare, Rimshot, Closed Hi-Hat, Open Hi-Hat,
and Metronome Click (in that order).
* Sound B: Clap, Ride, Cowbell, and Crash (in that order).
Note: Holding EDIT/RECORD, DELETE, INSERT/AUTO-COMPENSATE and
CHAIN/BEAT at startup causes the system to go into a RAM test.
TODO:
- Metronome
- MIDI
- Cassette
- Audio input
***************************************************************************/
#include "emu.h"
#include "emupal.h"
#include "screen.h"
#include "cpu/upd7810/upd7811.h"
#include "video/hd44780.h"
#include "sound/upd934g.h"
#include "speaker.h"
#include "rz1.lh"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class rz1_state : public driver_device
{
public:
rz1_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_hd44780(*this, "hd44780"),
m_pg{ {*this, "upd934g_c"}, {*this, "upd934g_b"} },
m_samples{ {*this, "samples_a"}, {*this, "samples_b"} },
m_keys(*this, "kc%u", 0),
m_led_song(*this, "led_song"),
m_led_pattern(*this, "led_pattern"),
m_led_startstop(*this, "led_startstop"),
m_port_a(0),
m_port_b(0xff)
{ }
void rz1(machine_config &config);
void rz1_palette(palette_device &palette) const;
HD44780_PIXEL_UPDATE(lcd_pixel_update);
protected:
virtual void machine_start() override;
virtual void machine_reset() override;
private:
required_device<upd7811_device> m_maincpu;
required_device<hd44780_device> m_hd44780;
required_device<upd934g_device> m_pg[2];
required_memory_region m_samples[2];
required_ioport_array<8> m_keys;
output_finder<> m_led_song;
output_finder<> m_led_pattern;
output_finder<> m_led_startstop;
void map(address_map &map);
uint8_t port_a_r();
void port_a_w(uint8_t data);
void port_b_w(uint8_t data);
uint8_t port_c_r();
void port_c_w(uint8_t data);
uint8_t upd934g_c_data_r(offs_t offset);
void upd934g_c_w(offs_t offset, uint8_t data);
uint8_t upd934g_b_data_r(offs_t offset);
void upd934g_b_w(offs_t offset, uint8_t data);
uint8_t key_r();
void leds_w(uint8_t data);
uint8_t m_port_a;
uint8_t m_port_b;
};
//**************************************************************************
// ADDRESS MAPS
//**************************************************************************
void rz1_state::map(address_map &map)
{
// map(0x0000, 0x0fff).rom().region("maincpu", 0);
map(0x2000, 0x3fff).ram();
map(0x4000, 0x7fff).rom().region("program", 0);
map(0x8000, 0x8fff).w(FUNC(rz1_state::upd934g_c_w));
map(0x9000, 0x9fff).rw(FUNC(rz1_state::key_r), FUNC(rz1_state::upd934g_b_w));
map(0xa000, 0xbfff).ram(); // sample ram 1
map(0xc000, 0xdfff).ram(); // sample ram 2
map(0xe000, 0xe001).w(FUNC(rz1_state::leds_w));
}
//**************************************************************************
// INPUT PORT DEFINITIONS
//**************************************************************************
static INPUT_PORTS_START( rz1 )
PORT_START("kc0")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("TOM1") PORT_CODE(KEYCODE_F1)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("TOM3") PORT_CODE(KEYCODE_F2)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RIM") PORT_CODE(KEYCODE_F3)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("OPEN HH") PORT_CODE(KEYCODE_F4)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CLAPS") PORT_CODE(KEYCODE_F5)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("COWBELL") PORT_CODE(KEYCODE_F6)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("kc1")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("TOM2") PORT_CODE(KEYCODE_F7)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("B D") PORT_CODE(KEYCODE_F8)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("S D") PORT_CODE(KEYCODE_F9)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CLOSED HH") PORT_CODE(KEYCODE_F10)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RIDE") PORT_CODE(KEYCODE_F11)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CRASH") PORT_CODE(KEYCODE_F12)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("kc2")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SAMPLE 1") PORT_CODE(KEYCODE_1)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SAMPLE 2") PORT_CODE(KEYCODE_2)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SAMPLE 3") PORT_CODE(KEYCODE_3)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SAMPLE 4") PORT_CODE(KEYCODE_4)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MUTE") PORT_CODE(KEYCODE_M)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("ACCENT") PORT_CODE(KEYCODE_A)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("kc3")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("START/STOP") PORT_CODE(KEYCODE_S)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CONTINUE START") PORT_CODE(KEYCODE_C)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SAMPLING") PORT_CODE(KEYCODE_L)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("TEMPO \xe2\x96\xb3") PORT_CODE(KEYCODE_PLUS_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("TEMPO \xe2\x96\xbd") PORT_CODE(KEYCODE_MINUS_PAD)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("RESET/COPY") PORT_CODE(KEYCODE_R)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("kc4")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("PATTERN") PORT_CODE(KEYCODE_P)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("SONG") PORT_CODE(KEYCODE_O)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("EDIT/RECORD") PORT_CODE(KEYCODE_E)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("DELETE") PORT_CODE(KEYCODE_DEL)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("INSERT/AUTO-COMPENSATE") PORT_CODE(KEYCODE_INSERT)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("CHAIN/BEAT") PORT_CODE(KEYCODE_B)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("kc5")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MT SAVE") PORT_CODE(KEYCODE_5)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MT LOAD") PORT_CODE(KEYCODE_6)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MIDI CH") PORT_CODE(KEYCODE_7)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("MIDI CLOCK") PORT_CODE(KEYCODE_8)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("kc6")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("0 (1/2)") PORT_CODE(KEYCODE_0_PAD)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("1 (1/4)") PORT_CODE(KEYCODE_1_PAD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("2 (1/6)") PORT_CODE(KEYCODE_2_PAD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("3 (1/8)") PORT_CODE(KEYCODE_3_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("4 (1/12)") PORT_CODE(KEYCODE_4_PAD)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("5 (1/16)") PORT_CODE(KEYCODE_5_PAD)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
PORT_START("kc7")
PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("6 (1/24)") PORT_CODE(KEYCODE_6_PAD)
PORT_BIT(0x02, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("7 (1/32)") PORT_CODE(KEYCODE_7_PAD)
PORT_BIT(0x04, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("8 (1/48)") PORT_CODE(KEYCODE_8_PAD)
PORT_BIT(0x08, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("9 (1/96)") PORT_CODE(KEYCODE_9_PAD)
PORT_BIT(0x10, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\xe2\x96\xb3 (YES)") PORT_CODE(KEYCODE_UP)
PORT_BIT(0x20, IP_ACTIVE_HIGH, IPT_KEYBOARD) PORT_NAME("\xe2\x96\xbd (NO)") PORT_CODE(KEYCODE_DOWN)
PORT_BIT(0xc0, IP_ACTIVE_HIGH, IPT_UNUSED)
INPUT_PORTS_END
//**************************************************************************
// MACHINE EMULATION
//**************************************************************************
HD44780_PIXEL_UPDATE( rz1_state::lcd_pixel_update )
{
// char size is 5x8
if (x > 4 || y > 7)
return;
if (line < 1 && pos < 16)
bitmap.pix(1 + y, 1 + line*8*6 + pos*6 + x) = state ? 1 : 2;
}
uint8_t rz1_state::upd934g_c_data_r(offs_t offset)
{
if (offset < 0x8000)
return m_samples[1]->base()[offset];
else
{
if (offset < 0xc000)
return m_maincpu->space(AS_PROGRAM).read_byte(offset + 0x2000);
else
return 0;
}
}
uint8_t rz1_state::upd934g_b_data_r(offs_t offset)
{
if (offset < 0x8000)
return m_samples[0]->base()[offset];
else
return 0;
}
void rz1_state::upd934g_c_w(offs_t offset, uint8_t data)
{
m_pg[0]->write(offset >> 8, data);
}
void rz1_state::upd934g_b_w(offs_t offset, uint8_t data)
{
m_pg[1]->write(offset >> 8, data);
}
uint8_t rz1_state::port_a_r()
{
if ((BIT(m_port_b, 7) == 0) && (BIT(m_port_b, 6) == 1))
{
// Not clear why, but code expects to read busy flag from PA5 rather than PA7
return bitswap<8>(m_hd44780->read(BIT(m_port_b, 5)), 5, 6, 7, 4, 3, 2, 1, 0);
}
logerror("port_a_r (PB = %02x)\n", m_port_b);
return 0;
}
void rz1_state::port_a_w(uint8_t data)
{
m_port_a = data;
if ((BIT(m_port_b, 7) == 0) && (BIT(m_port_b, 6) == 0))
m_hd44780->write(BIT(m_port_b, 5), data);
}
// 7------- lcd e
// -6------ lcd rw
// --5----- lcd rs
// ---4---- percussion generator reset
// ----3--- metronome trigger
// -----2-- power-on mute for line-out
// ------1- change-over signal tom3/bd
// -------0 change-over signal tom1/tom2
void rz1_state::port_b_w(uint8_t data)
{
if (0)
logerror("port_b_w: %02x\n", data);
m_port_b = data;
}
// 7------- foot-sustain input
// -6------ cassette data out
// --5----- cassette remote control
// ---4---- change-over signal for sampling ram
// ----3--- cassette data in
// -----2-- control signal for percussion generator c
// ------1- midi in
// -------0 midi out
uint8_t rz1_state::port_c_r()
{
return 0;
}
void rz1_state::port_c_w(uint8_t data)
{
logerror("port_c_w: %02x\n", data);
}
uint8_t rz1_state::key_r()
{
uint8_t data = 0;
if (BIT(m_port_a, 0) == 0) data |= m_keys[0]->read();
if (BIT(m_port_a, 1) == 0) data |= m_keys[1]->read();
if (BIT(m_port_a, 2) == 0) data |= m_keys[2]->read();
if (BIT(m_port_a, 3) == 0) data |= m_keys[3]->read();
if (BIT(m_port_a, 4) == 0) data |= m_keys[4]->read();
if (BIT(m_port_a, 5) == 0) data |= m_keys[5]->read();
if (BIT(m_port_a, 6) == 0) data |= m_keys[6]->read();
if (BIT(m_port_a, 7) == 0) data |= m_keys[7]->read();
return data;
}
void rz1_state::leds_w(uint8_t data)
{
m_led_song = BIT(data, 0) == 0 ? 1 : BIT(data, 1) == 0 ? 2 : 0;
m_led_pattern = BIT(data, 2) == 0 ? 1 : BIT(data, 3) == 0 ? 2 : 0;
m_led_startstop = BIT(data, 4) == 0 ? 1 : 0;
}
void rz1_state::machine_start()
{
// resolve output finders
m_led_song.resolve();
m_led_pattern.resolve();
m_led_startstop.resolve();
// register for save states
save_item(NAME(m_port_a));
save_item(NAME(m_port_b));
}
void rz1_state::machine_reset()
{
}
void rz1_state::rz1_palette(palette_device &palette) const
{
palette.set_pen_color(0, rgb_t(138, 146, 148)); // background
palette.set_pen_color(1, rgb_t(92, 83, 88)); // lcd pixel on
palette.set_pen_color(2, rgb_t(131, 136, 139)); // lcd pixel off
}
//**************************************************************************
// MACHINE DEFINTIONS
//**************************************************************************
void rz1_state::rz1(machine_config &config)
{
UPD7811(config, m_maincpu, 12_MHz_XTAL);
m_maincpu->set_addrmap(AS_PROGRAM, &rz1_state::map);
m_maincpu->pa_in_cb().set(FUNC(rz1_state::port_a_r));
m_maincpu->pa_out_cb().set(FUNC(rz1_state::port_a_w));
m_maincpu->pb_out_cb().set(FUNC(rz1_state::port_b_w));
m_maincpu->pc_in_cb().set(FUNC(rz1_state::port_c_r));
m_maincpu->pc_out_cb().set(FUNC(rz1_state::port_c_w));
// video hardware
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
screen.set_refresh_hz(50);
screen.set_vblank_time(ATTOSECONDS_IN_USEC(2500)); // not accurate
screen.set_size(6*16+1, 10);
screen.set_visarea(0, 6*16, 0, 10-1);
screen.set_screen_update("hd44780", FUNC(hd44780_device::screen_update));
screen.set_palette("palette");
PALETTE(config, "palette", FUNC(rz1_state::rz1_palette), 3);
HD44780(config, m_hd44780, 0);
m_hd44780->set_lcd_size(1, 16);
m_hd44780->set_pixel_update_cb(FUNC(rz1_state::lcd_pixel_update));
config.set_default_layout(layout_rz1);
SPEAKER(config, "speaker").front_center();
UPD934G(config, m_pg[0], 1333000);
m_pg[0]->data_callback().set(FUNC(rz1_state::upd934g_c_data_r));
m_pg[0]->add_route(ALL_OUTPUTS, "speaker", 1.0);
UPD934G(config, m_pg[1], 1280000);
m_pg[1]->data_callback().set(FUNC(rz1_state::upd934g_b_data_r));
m_pg[1]->add_route(ALL_OUTPUTS, "speaker", 1.0);
}
//**************************************************************************
// ROM DEFINITIONS
//**************************************************************************
ROM_START( rz1 )
ROM_REGION(0x1000, "maincpu", 0)
ROM_LOAD("upd7811g-120.bin", 0x0000, 0x1000, CRC(597ac04a) SHA1(96451a764296eaa22aaad3cba121226dcba865f4))
ROM_REGION(0x4000, "program", 0)
ROM_LOAD("program.bin", 0x0000, 0x4000, CRC(b44b2652) SHA1(b77f8daece9adb177b6ce1ef518fc3238b8c0a9c))
ROM_REGION(0x8000, "samples_a", 0)
ROM_LOAD("sound_a.cm5", 0x0000, 0x8000, CRC(c643ff24) SHA1(e886314d22a9a5473bfa2cb237ecafcf0daedfc1)) // HN613256P
ROM_REGION(0x8000, "samples_b", 0)
ROM_LOAD("sound_b.cm6", 0x0000, 0x8000, CRC(ee5b703e) SHA1(cbf2e92c68901f236678d704e9e695a5c84ff49e)) // HN613256P
ROM_END
//**************************************************************************
// SYSTEM DRIVERS
//**************************************************************************
// YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS
CONS( 1986, rz1, 0, 0, rz1, rz1, rz1_state, empty_init, "Casio", "RZ-1", MACHINE_SUPPORTS_SAVE )
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