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-rw-r--r--scripts/src/video.lua12
-rw-r--r--scripts/target/mame/arcade.lua1
-rw-r--r--scripts/target/mame/mess.lua1
-rw-r--r--src/devices/video/lc7985.cpp302
-rw-r--r--src/devices/video/lc7985.h61
-rw-r--r--src/mame/drivers/ymmu5.cpp105
6 files changed, 482 insertions, 0 deletions
diff --git a/scripts/src/video.lua b/scripts/src/video.lua
index 6d4dc7e74ea..fd16d493c0d 100644
--- a/scripts/src/video.lua
+++ b/scripts/src/video.lua
@@ -605,6 +605,18 @@ end
--------------------------------------------------
--
+--@src/devices/video/lc7985.h,VIDEOS["LC7985"] = true
+--------------------------------------------------
+
+if (VIDEOS["LC7985"]~=null) then
+ files {
+ MAME_DIR .. "src/devices/video/lc7985.cpp",
+ MAME_DIR .. "src/devices/video/lc7985.h",
+ }
+end
+
+--------------------------------------------------
+--
--@src/devices/video/m50458.h,VIDEOS["M50458"] = true
--------------------------------------------------
diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index 720f15a5bd9..5839a45486a 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -336,6 +336,7 @@ VIDEOS["I4100"] = true
VIDEOS["I8275"] = true
VIDEOS["JANGOU_BLITTER"] = true
--VIDEOS["LC7582"] = true
+--VIDEOS["LC7985"] = true
VIDEOS["M50458"] = true
VIDEOS["MB90082"] = true
VIDEOS["MB_VCU"] = true
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 2cb7f0b6701..0e6b6082916 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -366,6 +366,7 @@ VIDEOS["I82730"] = true
VIDEOS["I8275"] = true
VIDEOS["IMS_CVC"] = true
VIDEOS["LC7582"] = true
+VIDEOS["LC7985"] = true
--VIDEOS["M50458"] = true
--VIDEOS["MB90082"] = true
--VIDEOS["MB_VCU"] = true
diff --git a/src/devices/video/lc7985.cpp b/src/devices/video/lc7985.cpp
new file mode 100644
index 00000000000..4fe06f2f086
--- /dev/null
+++ b/src/devices/video/lc7985.cpp
@@ -0,0 +1,302 @@
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
+/***************************************************************************
+
+ Sanyo LC7985NA/LC7985ND LCD controller
+
+***************************************************************************/
+
+#include "emu.h"
+#include "lc7985.h"
+
+DEFINE_DEVICE_TYPE(LC7985, lc7985_device, "lc7985", "Sanyo LC7985NA/LC7985ND LCD controller")
+
+
+ROM_START( lc7985 )
+ ROM_REGION( 0x1000, "cgrom", 0 )
+ ROM_LOAD( "lc7985.bin", 0x0000, 0x1000, BAD_DUMP CRC(fdc64160) SHA1(8e6b54f8fb7c4c15aab2e65dd1a44729b97423b1)) // from page 12 of the LC7985D datasheet
+ROM_END
+
+lc7985_device::lc7985_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
+ : device_t(mconfig, LC7985, tag, owner, clock),
+ m_cgrom_region(*this, DEVICE_SELF)
+{
+}
+
+const tiny_rom_entry *lc7985_device::device_rom_region() const
+{
+ return ROM_NAME(lc7985);
+}
+
+void lc7985_device::device_start()
+{
+ m_cgrom = m_cgrom_region.found() ? m_cgrom_region : memregion("cgrom")->base();
+ m_busy_timer = timer_alloc(0);
+
+ save_item(NAME(m_ddram));
+ save_item(NAME(m_cgram));
+ save_item(NAME(m_busy_flag));
+ save_item(NAME(m_ddac));
+ save_item(NAME(m_cgac));
+ save_item(NAME(m_shift));
+ save_item(NAME(m_access_ddram));
+ save_item(NAME(m_function));
+ save_item(NAME(m_cds));
+}
+
+void lc7985_device::device_reset()
+{
+ memset(m_ddram, 0x20, sizeof(m_ddram)); // filled with SPACE char
+ memset(m_cgram, 0, sizeof(m_cgram));
+ m_ddac = 0x00;
+ m_cgac = 0x00;
+ m_shift = 0x00;
+ m_access_ddram = false;
+ m_function = 0x00;
+ m_cds = 0x00;
+ m_display = 0x00;
+ m_entry = 0x02;
+
+ busy(attotime::from_msec(10));
+}
+
+void lc7985_device::busy(attotime time)
+{
+ m_busy_flag = true;
+ m_busy_timer->adjust(time);
+}
+
+void lc7985_device::device_timer(emu_timer &, device_timer_id, int, void *)
+{
+ m_busy_flag = false;
+}
+
+void lc7985_device::inc_ddac()
+{
+ if(m_function & 0x08) { // 2 lines
+ if(m_ddac == 39)
+ m_ddac = 64;
+ else if(m_ddac == 64+39)
+ m_ddac = 0;
+ else
+ m_ddac++;
+ } else {
+ if(m_ddac == 79)
+ m_ddac = 0;
+ else
+ m_ddac++;
+ }
+}
+
+void lc7985_device::dec_ddac()
+{
+ if(m_function & 0x08) { // 2 lines
+ if(m_ddac == 64)
+ m_ddac = 39;
+ else if(m_ddac == 0)
+ m_ddac = 64+39;
+ else
+ m_ddac--;
+ } else {
+ if(m_ddac == 0)
+ m_ddac = 79;
+ else
+ m_ddac--;
+ }
+}
+
+void lc7985_device::shift_left()
+{
+ if(m_shift == 79)
+ m_shift = 0;
+ else
+ m_shift++;
+}
+
+void lc7985_device::shift_right()
+{
+ if(m_shift == 0)
+ m_shift = 79;
+ else
+ m_shift--;
+}
+
+void lc7985_device::ir_w(u8 data)
+{
+ if(m_busy_flag)
+ return;
+
+ if(data & 0x80) {
+ // Set DDRAM address
+ m_ddac = data & 0x7f;
+ m_access_ddram = true;
+ busy(attotime::from_usec(40));
+
+ } else if(data & 0x40) {
+ // Set CGRAM address
+ m_cgac = data & 0x3f;
+ m_access_ddram = false;
+ busy(attotime::from_usec(40));
+
+ } else if(data & 0x20) {
+ // Set Function
+ m_function = data;
+ busy(attotime::from_usec(40));
+
+ } else if(data & 0x10) {
+ // Cursor/Display Shift
+ m_access_ddram = true;
+ switch((data >> 2) & 3) {
+ case 0: dec_ddac(); break;
+ case 1: inc_ddac(); break;
+ case 2: shift_left(); break;
+ case 3: shift_right(); break;
+ }
+
+ busy(attotime::from_usec(40));
+
+ } else if(data & 0x08) {
+ // Display On/Off
+ m_display = data;
+ busy(attotime::from_usec(40));
+
+ } else if(data & 0x04) {
+ // Set Entry Mode
+ m_entry = data;
+ busy(attotime::from_usec(40));
+
+ } else if(data & 0x02) {
+ // Cursor home
+ m_ddac = 0;
+ m_shift = 0;
+ m_access_ddram = true;
+ busy(attotime::from_usec(16400));
+
+ } else if(data & 0x01) {
+ // Display clear
+ memset(m_ddram, 0x20, sizeof(m_ddram));
+ m_ddac = 0x00;
+ m_entry |= 0x02;
+ busy(attotime::from_usec(16400));
+ }
+}
+
+u8 lc7985_device::status_r()
+{
+ return (m_access_ddram ? m_ddac : m_cgac) | (m_busy_flag ? 0x80 : 0x00);
+}
+
+void lc7985_device::dr_w(u8 data)
+{
+ if(m_access_ddram) {
+ m_ddram[(m_function & 0x08) && m_ddac >= 64 ? m_ddac - (64-40) : m_ddac] = data;
+ switch(m_entry & 0x03) {
+ case 0: dec_ddac(); break;
+ case 1: dec_ddac(); shift_right(); break;
+ case 2: inc_ddac(); break;
+ case 3: inc_ddac(); shift_left(); break;
+ }
+
+ } else {
+ m_cgram[m_cgac] = data;
+ if(m_entry & 0x02)
+ m_cgac = (m_cgac + 1) & 0x3f;
+ else
+ m_cgac = (m_cgac - 1) & 0x3f;
+ }
+}
+
+u8 lc7985_device::dr_r()
+{
+ u8 res;
+ if(m_access_ddram) {
+ res = m_ddram[(m_function & 0x08) && m_ddac >= 64 ? m_ddac - (64-40) : m_ddac];
+ if(m_entry & 0x02)
+ inc_ddac();
+ else
+ dec_ddac();
+
+ } else {
+ res = m_cgram[m_cgac];
+ if(m_entry & 0x02)
+ m_cgac = (m_cgac + 1) & 0x3f;
+ else
+ m_cgac = (m_cgac - 1) & 0x3f;
+ }
+ return res;
+}
+
+const u8 *lc7985_device::render()
+{
+ memset(m_render_buffer, 0, sizeof(m_render_buffer));
+ if(!(m_display & 0x04))
+ return m_render_buffer;
+
+ if(m_function & 0x08) {
+ for(int y = 0; y != 2; y++) {
+ for(int x = 0; x != 40; x ++) {
+ u8 c = m_ddram[((x + 80 - m_shift) % 40) + 40*y];
+ const u8 *src = c < 32 ? m_cgram + 8*(c & 7) : m_cgrom + 16 * c;
+ u8 *dest = m_render_buffer + 8 * y + 16 * x;
+ for(int z = 0; z != 8; z ++)
+ *dest++ = *src++ & 0x1f;
+ }
+ }
+ if(m_display & 0x03) {
+ int cx = ((m_ddac & 0x3f) + 80 - m_shift) % 80;
+ u8 *dest = m_render_buffer + (m_ddac >= 0x40 ? 8 : 0) + 16*cx;
+ if(m_display & 0x02)
+ dest[7] = 0x1f;
+ if(m_display & 0x01) {
+ bool on = int(machine().time().as_double() / 0.409) & 1;
+ if(on)
+ for(int z = 0; z != 8; z ++)
+ *dest++ = 0x1f;
+ }
+ }
+
+ } else if(m_function & 0x04) {
+ for(int x = 0; x != 80; x ++) {
+ u8 c = m_ddram[(x + 80 - m_shift) % 80];
+ const u8 *src = c < 32 ? m_cgram + 8*(c & 6) : m_cgrom + 16 * c;
+ u8 *dest = m_render_buffer + 16 * x;
+ for(int z = 0; z != 11; z ++)
+ *dest++ = *src++ & 0x1f;
+ }
+ if(m_display & 0x03) {
+ int cx = (m_ddac + 80 - m_shift) % 80;
+ u8 *dest = m_render_buffer + 16*cx;
+ if(m_display & 0x02)
+ dest[10] = 0x1f;
+ if(m_display & 0x01) {
+ bool on = int(machine().time().as_double() / 0.409) & 1;
+ if(on)
+ for(int z = 0; z != 11; z ++)
+ *dest++ = 0x1f;
+ }
+ }
+
+ } else {
+ for(int x = 0; x != 80; x ++) {
+ u8 c = m_ddram[(x + 80 - m_shift) % 80];
+ const u8 *src = c < 32 ? m_cgram + 8*(c & 7) : m_cgrom + 16 * c;
+ u8 *dest = m_render_buffer + 16 * x;
+ for(int z = 0; z != 8; z ++)
+ *dest++ = *src++ & 0x1f;
+ }
+ if(m_display & 0x03) {
+ int cx = (m_ddac + 80 - m_shift) % 80;
+ u8 *dest = m_render_buffer + 16*cx;
+ if(m_display & 0x02)
+ dest[7] = 0x1f;
+ if(m_display & 0x01) {
+ bool on = int(machine().time().as_double() / 0.409) & 1;
+ if(on)
+ for(int z = 0; z != 8; z ++)
+ *dest++ = 0x1f;
+ }
+ }
+ }
+ return m_render_buffer;
+}
+
diff --git a/src/devices/video/lc7985.h b/src/devices/video/lc7985.h
new file mode 100644
index 00000000000..14e2005dcd9
--- /dev/null
+++ b/src/devices/video/lc7985.h
@@ -0,0 +1,61 @@
+// license:BSD-3-Clause
+// copyright-holders:Olivier Galibert
+/***************************************************************************
+
+ Sanyo LC7985NA/LC7985ND LCD controller
+
+***************************************************************************/
+
+#ifndef MAME_VIDEO_LC7985_H
+#define MAME_VIDEO_LC7985_H
+
+#pragma once
+
+class lc7985_device : public device_t
+{
+public:
+ lc7985_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
+
+ void ir_w(u8 data);
+ u8 status_r();
+ void dr_w(u8 data);
+ u8 dr_r();
+
+ // 5 bits used per byte, blocks of 16 lines, 80 blocks
+ const u8 *render();
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+private:
+ optional_region_ptr<u8> m_cgrom_region; // internal chargen ROM
+ u8 m_render_buffer[16*40];
+ u8 m_ddram[80];
+ u8 m_cgram[64];
+ const u8 *m_cgrom;
+ emu_timer *m_busy_timer;
+ u8 m_ddac;
+ u8 m_cgac;
+ u8 m_shift;
+ u8 m_function;
+ u8 m_cds;
+ u8 m_display;
+ u8 m_entry;
+
+ bool m_busy_flag;
+ bool m_access_ddram;
+
+ void inc_ddac();
+ void dec_ddac();
+ void shift_left();
+ void shift_right();
+
+ void busy(attotime tm);
+};
+
+DECLARE_DEVICE_TYPE(LC7985, lc7985_device)
+
+#endif // MAME_VIDEO_LC7985_H
diff --git a/src/mame/drivers/ymmu5.cpp b/src/mame/drivers/ymmu5.cpp
index e1f1c72fdcb..7e4f3ad0980 100644
--- a/src/mame/drivers/ymmu5.cpp
+++ b/src/mame/drivers/ymmu5.cpp
@@ -12,6 +12,7 @@
#include "cpu/h8/h83002.h"
#include "sound/multipcm.h"
+#include "video/lc7985.h"
#include "screen.h"
#include "speaker.h"
@@ -23,21 +24,39 @@ public:
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_ymw258(*this, "ymw258"),
+ m_lcd(*this, "lcd"),
m_key(*this, "S%c", 'A'),
+ m_outputs(*this, "%x.%x.%x.%x", 0U, 0U, 0U, 0U),
m_matrixsel(0)
{ }
void mu5(machine_config &config);
+protected:
+ virtual void machine_start() override;
+ virtual void machine_reset() override;
+
private:
required_device<h83002_device> m_maincpu;
required_device<multipcm_device> m_ymw258;
+ required_device<lc7985_device> m_lcd;
required_ioport_array<6> m_key;
+ output_finder<2, 8, 8, 5> m_outputs;
void mu5_map(address_map &map);
void mu5_io_map(address_map &map);
void ymw258_map(address_map &map);
+ u8 m_lcd_ctrl;
+ u8 m_lcd_data;
+
+ void lcd_ctrl_w(u16 data);
+ u16 lcd_ctrl_r();
+ void lcd_data_w(u16 data);
+ u16 lcd_data_r();
+
+ DECLARE_WRITE_LINE_MEMBER(render_w);
+
u8 m_matrixsel;
u8 matrix_r()
{
@@ -68,7 +87,9 @@ void mu5_state::mu5_io_map(address_map &map)
{
map(h8_device::PORT_4, h8_device::PORT_4).lr8(NAME([this]() -> u8 { return m_matrixsel; }));
map(h8_device::PORT_4, h8_device::PORT_4).lw8(NAME([this](u8 data) { m_matrixsel = data; }));
+ map(h8_device::PORT_6, h8_device::PORT_6).rw(FUNC(mu5_state::lcd_ctrl_r), FUNC(mu5_state::lcd_ctrl_w));
map(h8_device::PORT_7, h8_device::PORT_7).r(FUNC(mu5_state::matrix_r));
+ map(h8_device::PORT_B, h8_device::PORT_B).rw(FUNC(mu5_state::lcd_data_r), FUNC(mu5_state::lcd_data_w));
}
void mu5_state::ymw258_map(address_map &map)
@@ -76,6 +97,78 @@ void mu5_state::ymw258_map(address_map &map)
map(0x000000, 0x1fffff).rom();
}
+void mu5_state::machine_start()
+{
+ m_outputs.resolve();
+
+ save_item(NAME(m_lcd_ctrl));
+ save_item(NAME(m_lcd_data));
+ save_item(NAME(m_matrixsel));
+}
+
+void mu5_state::machine_reset()
+{
+ m_lcd_ctrl = 0;
+ m_lcd_data = 0;
+ m_matrixsel = 0;
+}
+
+void mu5_state::lcd_ctrl_w(u16 data)
+{
+ // bit 2 = rs
+ // bit 1 = r/w
+ // bit 0 = e
+
+ bool e_edge = (data ^ m_lcd_ctrl) & 1;
+ m_lcd_ctrl = data;
+ if(e_edge) {
+ switch(m_lcd_ctrl & 7) {
+ case 0:
+ m_lcd->ir_w(m_lcd_data);
+ break;
+ case 3:
+ m_lcd_data = m_lcd->status_r();
+ break;
+ case 4:
+ m_lcd->dr_w(m_lcd_data);
+ break;
+ case 7:
+ m_lcd_data = m_lcd->dr_r();
+ break;
+ }
+ }
+}
+
+u16 mu5_state::lcd_ctrl_r()
+{
+ return m_lcd_ctrl;
+}
+
+void mu5_state::lcd_data_w(u16 data)
+{
+ m_lcd_data = data;
+}
+
+u16 mu5_state::lcd_data_r()
+{
+ return m_lcd_data;
+}
+
+WRITE_LINE_MEMBER(mu5_state::render_w)
+{
+ if(!state)
+ return;
+
+ const u8 *render = m_lcd->render();
+ for(int y=0; y != 2; y++)
+ for(int x=0; x != 8; x++)
+ for(int yy=0; yy != 8; yy++) {
+ u8 v = render[8 * y + 16 * x + yy];
+ for(int xx=0; xx != 5; xx++)
+ m_outputs[y][x][yy][xx] = (v >> xx) & 1;
+ }
+}
+
static INPUT_PORTS_START(mu5)
PORT_START("SA")
PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_OTHER) PORT_NAME("Part Down") PORT_CODE(KEYCODE_Z)
@@ -137,6 +230,15 @@ void mu5_state::mu5(machine_config &config)
m_ymw258->set_addrmap(0, &mu5_state::ymw258_map);
m_ymw258->add_route(0, "lspeaker", 1.0);
m_ymw258->add_route(1, "rspeaker", 1.0);
+
+ LC7985(config, m_lcd);
+
+ auto &screen = SCREEN(config, "screen", SCREEN_TYPE_SVG);
+ screen.set_refresh_hz(60);
+ screen.set_size(800, 435);
+ screen.set_visarea_full();
+ screen.screen_vblank().set(FUNC(mu5_state::render_w));
+
}
ROM_START( mu5 )
@@ -145,6 +247,9 @@ ROM_START( mu5 )
ROM_REGION(0x200000, "ymw258", 0)
ROM_LOAD("yamaha_mu5_waverom_xp50280-801.bin", 0x000000, 0x200000, CRC(e0913030) SHA1(369f8df4942b6717c142ca8c4913e556dafae187))
+
+ ROM_REGION(257524, "screen", 0)
+ ROM_LOAD("mu5lcd.svg", 0, 257524, CRC(a9a6f561) SHA1(c90d973bfb12755e99cf54d9323a54b773b48bba))
ROM_END
CONS(1994, mu5, 0, 0, mu5, mu5, mu5_state, empty_init, "Yamaha", "MU-5", MACHINE_NOT_WORKING )