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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/t6963c.cpp311
-rw-r--r--src/devices/video/t6963c.h93
-rw-r--r--src/mame/drivers/krz2000.cpp20
6 files changed, 422 insertions, 16 deletions
diff --git a/scripts/src/video.lua b/scripts/src/video.lua
index 069c2fc802d..042be7e2a19 100644
--- a/scripts/src/video.lua
+++ b/scripts/src/video.lua
@@ -816,6 +816,18 @@ end
--------------------------------------------------
--
+--@src/devices/video/t6963c.h,VIDEOS["T6963C"] = true
+--------------------------------------------------
+
+if (VIDEOS["T6963C"]~=null) then
+ files {
+ MAME_DIR .. "src/devices/video/t6963c.cpp",
+ MAME_DIR .. "src/devices/video/t6963c.h",
+ }
+end
+
+--------------------------------------------------
+--
--@src/devices/video/t6a04.h,VIDEOS["T6A04"] = true
--------------------------------------------------
diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index df0e9e9d88a..8ddb6d6b7bc 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -341,6 +341,7 @@ VIDEOS["SCN2674"] = true
--VIDEOS["SED1520"] = true
VIDEOS["SNES_PPU"] = true
VIDEOS["STVVDP"] = true
+--VIDEOS["T6963C"] = true
--VIDEOS["T6A04"] = true
VIDEOS["TLC34076"] = true
VIDEOS["TMS34061"] = true
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index a6c4b24d22f..714f6a56732 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -360,6 +360,7 @@ VIDEOS["SED1330"] = true
VIDEOS["SED1520"] = true
VIDEOS["SNES_PPU"] = true
VIDEOS["STVVDP"] = true
+VIDEOS["T6963C"] = true
VIDEOS["T6A04"] = true
VIDEOS["TEA1002"] = true
--VIDEOS["TLC34076"] = true
diff --git a/src/devices/video/t6963c.cpp b/src/devices/video/t6963c.cpp
new file mode 100644
index 00000000000..0a07a1a7553
--- /dev/null
+++ b/src/devices/video/t6963c.cpp
@@ -0,0 +1,311 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/**********************************************************************
+
+ Toshiba T6963C Dot Matrix LCD Controller
+ Sharp LM24014H Dot Matrix LCD Unit
+
+**********************************************************************/
+
+#include "emu.h"
+#include "t6963c.h"
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+// device type definitions
+DEFINE_DEVICE_TYPE(T6963C, t6963c_device, "t6963c", "T6963C LCD Controller")
+DEFINE_DEVICE_TYPE(LM24014H, lm24014h_device, "lm24014h", "LM24014H LCD Unit (240x64)")
+
+
+//**************************************************************************
+// T6963C LCD CONTROLLER
+//**************************************************************************
+
+ALLOW_SAVE_TYPE(t6963c_device::auto_mode);
+
+//-------------------------------------------------
+// t6963c_device - constructor
+//-------------------------------------------------
+
+t6963c_device::t6963c_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, T6963C, tag, owner, clock)
+ , device_memory_interface(mconfig, *this)
+ , m_display_config("display", ENDIANNESS_LITTLE, 8, 16, 0)
+ , m_cgrom(*this, "cgrom", 0x400)
+ , m_display_ram(nullptr)
+ , m_data(0)
+ , m_adp(0)
+ , m_auto_mode(auto_mode::NONE)
+{
+}
+
+
+//-------------------------------------------------
+// memory_space_config - return the configuration
+// for the device's address spaces
+//-------------------------------------------------
+
+device_memory_interface::space_config_vector t6963c_device::memory_space_config() const
+{
+ return space_config_vector {
+ std::make_pair(0, &m_display_config),
+ };
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void t6963c_device::device_start()
+{
+ m_display_ram = &space(0);
+
+ save_item(NAME(m_data));
+ save_item(NAME(m_adp));
+ save_item(NAME(m_auto_mode));
+}
+
+
+//-------------------------------------------------
+// device_reset - device-specific reset
+//-------------------------------------------------
+
+void t6963c_device::device_reset()
+{
+ m_auto_mode = auto_mode::NONE;
+}
+
+
+//-------------------------------------------------
+// read - read from the status or data register
+//-------------------------------------------------
+
+u8 t6963c_device::read(offs_t offset)
+{
+ return BIT(offset, 0) ? 0x0b : 0x00;
+}
+
+
+//-------------------------------------------------
+// write - write to the command or data register
+//-------------------------------------------------
+
+void t6963c_device::write(offs_t offset, u8 data)
+{
+ if (BIT(offset, 0))
+ {
+ // Command register
+ do_command(data);
+ }
+ else
+ {
+ // Data register
+ if (m_auto_mode == auto_mode::WRITE)
+ {
+ logerror("%s: Auto write %02X to %04X\n", machine().describe_context(), data, m_adp);
+ m_display_ram->write_byte(m_adp++, data);
+ }
+ else
+ m_data = (u16(data) << 8) | (data >> 8);
+ }
+}
+
+
+//-------------------------------------------------
+// do_command - decode and execute one command
+//-------------------------------------------------
+
+void t6963c_device::do_command(u8 cmd)
+{
+ if ((cmd & 0xf0) == 0x20)
+ {
+ switch (cmd & 0x0f)
+ {
+ case 0x01:
+ logerror("%s: Setting cursor pointer X:Y = %02X:%02X\n", machine().describe_context(), m_data & 0xff, m_data >> 8);
+ break;
+
+ case 0x02:
+ logerror("%s: Setting offset register for CG RAM at %04X to %04XH\n",
+ machine().describe_context(),
+ (m_data & 0x1f) << 11,
+ (m_data & 0x1f) << 11 | 0x7ff);
+ break;
+
+ case 0x04:
+ logerror("%s: Setting address pointer = %04X\n", machine().describe_context(), m_data);
+ m_adp = m_data;
+ break;
+
+ default:
+ logerror("%s: Setting unknown pointer = %04X\n", machine().describe_context(), m_data);
+ break;
+ }
+ }
+ else if ((cmd & 0xfd) == 0x40)
+ {
+ logerror("%s: Setting %s home address = %04X\n", machine().describe_context(),
+ BIT(cmd, 1) ? "graphic" : "text",
+ m_data);
+ }
+ else if ((cmd & 0xfd) == 0x41)
+ {
+ logerror("%s: Setting %s area = %d columns\n", machine().describe_context(),
+ BIT(cmd, 1) ? "graphic" : "text",
+ m_data);
+ }
+ else if ((cmd & 0xf0) == 0x80)
+ {
+ logerror("%s: %s mode, %s\n", machine().describe_context(),
+ (cmd & 0x07) == 0x00 ? "OR"
+ : (cmd & 0x07) == 0x01 ? "EXOR"
+ : (cmd & 0x07) == 0x03 ? "AND"
+ : (cmd & 0x07) == 0x04 ? "Text attribute"
+ : "Unknown",
+ BIT(cmd, 3) ? "external CG RAM" : "internal CG ROM");
+ }
+ else if ((cmd & 0xf0) == 0x90)
+ {
+ if (cmd == 0x90)
+ logerror("%s: Display off\n", machine().describe_context());
+ else
+ logerror("%s: Text %s, graphic %s, cursor %s, blink %s\n",
+ machine().describe_context(),
+ BIT(cmd, 3) ? "on" : "off",
+ BIT(cmd, 2) ? "on" : "off",
+ BIT(cmd, 1) ? "on" : "off",
+ BIT(cmd, 0) ? "on" : "off");
+ }
+ else if ((cmd & 0xf8) == 0xa0)
+ {
+ logerror("%s: Select %d-line cursor\n", machine().describe_context(), (cmd & 0x07) + 1);
+ }
+ else if ((cmd & 0xfe) == 0xb0)
+ {
+ logerror("%s: Set data auto %s\n", machine().describe_context(), BIT(cmd, 0) ? "read" : "write");
+ m_auto_mode = BIT(cmd, 0) ? auto_mode::READ : auto_mode::WRITE;
+ }
+ else if (cmd == 0xb2)
+ {
+ logerror("%s: Auto reset\n", machine().describe_context());
+ m_auto_mode = auto_mode::NONE;
+ }
+ else if ((cmd & 0xf0) == 0xc0)
+ {
+ if (BIT(cmd, 0))
+ {
+ logerror("%s: Read data from %04X and %s ADP\n", machine().describe_context(),
+ BIT(cmd, 0) ? "read" : "write",
+ m_adp,
+ (cmd & 0x0e) == 0x00 ? "increment"
+ : (cmd & 0x0e) == 0x02 ? "decrement"
+ : (cmd & 0x0e) == 0x04 ? "nonvariable"
+ : "invalid");
+ }
+ else
+ {
+ logerror("%s: Write %02X to %04X and %s ADP\n", machine().describe_context(),
+ m_data >> 8,
+ m_adp,
+ (cmd & 0x0e) == 0x00 ? "increment"
+ : (cmd & 0x0e) == 0x02 ? "decrement"
+ : (cmd & 0x0e) == 0x04 ? "nonvariable"
+ : "invalid");
+
+ m_display_ram->write_byte(m_adp, m_data >> 8);
+ if ((cmd & 0x0e) == 0x00)
+ ++m_adp;
+ else if ((cmd & 0x0e) == 0x02)
+ --m_adp;
+ }
+ }
+ else if (cmd == 0xe0)
+ {
+ logerror("%s: Screen peek\n", machine().describe_context());
+ }
+ else if (cmd == 0xe8)
+ {
+ logerror("%s: Screen copy\n", machine().describe_context());
+ }
+ else if ((cmd & 0xf0) == 0xf0)
+ {
+ logerror("%s: %s bit %d\n", machine().describe_context(),
+ BIT(cmd, 3) ? "Set" : "Reset",
+ cmd & 0x07);
+ }
+ else
+ {
+ logerror("%s: Unknown command %02X\n", machine().describe_context(), cmd);
+ }
+}
+
+
+//**************************************************************************
+// T6963C-BASED LCD UNITS
+//**************************************************************************
+
+//-------------------------------------------------
+// lm24014h_device - constructor
+//-------------------------------------------------
+
+lm24014h_device::lm24014h_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, LM24014H, tag, owner, clock)
+ , m_lcdc(*this, "lcdc")
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void lm24014h_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// ram_map - address map for display memory
+//-------------------------------------------------
+
+void lm24014h_device::ram_map(address_map &map)
+{
+ map.global_mask(0x1fff);
+ map(0x0000, 0x1fff).ram(); // TC5564AFL-15
+}
+
+
+//-------------------------------------------------
+// device_add_mconfig - add device-specific
+// machine configuration
+//-------------------------------------------------
+
+void lm24014h_device::device_add_mconfig(machine_config &config)
+{
+ T6963C(config, m_lcdc, 0); // XTAL is unknown
+ m_lcdc->set_addrmap(0, &lm24014h_device::ram_map);
+}
+
+
+//-------------------------------------------------
+// lm24014h - ROM definition
+//-------------------------------------------------
+
+ROM_START(lm24014h)
+ ROM_REGION(0x400, "lcdc:cgrom", 0)
+ ROM_LOAD("lm24014w_0101.bin", 0x000, 0x400, CRC(ba5f0719) SHA1(4680d3ae99102369b4145604ee7c25fa83760784))
+ROM_END
+
+
+//-------------------------------------------------
+// device_rom_region - return a pointer to the
+// rom region description for this device
+//-------------------------------------------------
+
+const tiny_rom_entry *lm24014h_device::device_rom_region() const
+{
+ return ROM_NAME(lm24014h);
+}
diff --git a/src/devices/video/t6963c.h b/src/devices/video/t6963c.h
new file mode 100644
index 00000000000..6eabc1bc4c0
--- /dev/null
+++ b/src/devices/video/t6963c.h
@@ -0,0 +1,93 @@
+// license:BSD-3-Clause
+// copyright-holders:AJR
+/**********************************************************************
+
+ Toshiba T6963C Dot Matrix LCD Controller
+ Sharp LM24014H Dot Matrix LCD Unit
+
+**********************************************************************/
+
+#ifndef MAME_VIDEO_T6963C_H
+#define MAME_VIDEO_T6963C_H 1
+
+#pragma once
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> t6963c_device
+
+class t6963c_device : public device_t, public device_memory_interface
+{
+ enum class auto_mode : u8
+ {
+ READ = 0,
+ WRITE = 1,
+ NONE = 2
+ };
+
+public:
+ // construction/destruction
+ t6963c_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+ // CPU read/write access
+ u8 read(offs_t offset);
+ void write(offs_t offset, u8 data);
+
+ static constexpr feature_type unemulated_features() { return feature::GRAPHICS; }
+
+protected:
+ // device-specific overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device_memory_interface overrides
+ virtual space_config_vector memory_space_config() const override;
+
+private:
+ // internal helpers
+ void do_command(u8 cmd);
+
+ // configuration and object finders
+ address_space_config m_display_config;
+ required_region_ptr<u8> m_cgrom;
+ address_space *m_display_ram;
+
+ // internal state
+ u16 m_data;
+ u16 m_adp;
+ auto_mode m_auto_mode;
+};
+
+// ======================> lm24014h_device
+
+class lm24014h_device : public device_t
+{
+public:
+ // construction/destruction
+ lm24014h_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
+
+ // CPU read/write access
+ u8 read(offs_t offset) { return m_lcdc->read(offset); }
+ void write(offs_t offset, u8 data) { m_lcdc->write(offset, data); }
+
+protected:
+ // device-specific overrides
+ virtual void device_start() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+private:
+ // internal configuration
+ void ram_map(address_map &map);
+
+ // internal LCD controller
+ required_device<t6963c_device> m_lcdc;
+};
+
+// device type declarations
+DECLARE_DEVICE_TYPE(T6963C, t6963c_device)
+DECLARE_DEVICE_TYPE(LM24014H, lm24014h_device)
+
+#endif // MAME_VIDEO_T6963C_H
diff --git a/src/mame/drivers/krz2000.cpp b/src/mame/drivers/krz2000.cpp
index 341ea6e2d62..6e622905596 100644
--- a/src/mame/drivers/krz2000.cpp
+++ b/src/mame/drivers/krz2000.cpp
@@ -26,6 +26,7 @@
#include "machine/ncr5380n.h"
#include "machine/nscsi_cd.h"
#include "machine/nscsi_hd.h"
+#include "video/t6963c.h"
#include "screen.h"
#include "emupal.h"
#include "softlist.h"
@@ -54,26 +55,11 @@ private:
required_device<address_map_bank_device> m_1m_bank;
required_shared_ptr<uint16_t> m_mainram;
- DECLARE_READ16_MEMBER(lcd_r);
- DECLARE_WRITE16_MEMBER(lcd_w);
DECLARE_WRITE16_MEMBER(ctrl_w);
void k2000_palette(palette_device &palette) const;
};
-// LCD controller is byte-wide, data at 0, status/control at 1.
-READ16_MEMBER(k2000_state::lcd_r)
-{
- return 0x0b0b;
-}
-WRITE16_MEMBER(k2000_state::lcd_w)
-{
- if (offset == 0)
- {
- printf("%c", data & 0x7f);
- }
-}
-
WRITE16_MEMBER(k2000_state::ctrl_w)
{
data &= 0xff;
@@ -98,7 +84,7 @@ void k2000_state::k2000_map(address_map &map)
// word writes to 000180 region - unknown
// word writes to 000240 region - unknown
map(0x000000, 0x1fffff).m(m_1m_bank, FUNC(address_map_bank_device::amap16));
- map(0x700000, 0x700003).rw(FUNC(k2000_state::lcd_r), FUNC(k2000_state::lcd_w));
+ map(0x700000, 0x700003).rw("lcd", FUNC(lm24014h_device::read), FUNC(lm24014h_device::write)).umask16(0x00ff);
map(0x7e0000, 0x7e0001).w(FUNC(k2000_state::ctrl_w));
}
@@ -117,6 +103,8 @@ void k2000_state::k2000(machine_config &config)
ADDRESS_MAP_BANK(config, "bank1m").set_map(&k2000_state::bank_map_1m).set_options(ENDIANNESS_BIG, 16, 24, 0x200000);
+ LM24014H(config, "lcd");
+
SPEAKER(config, "lspeaker").front_left();
SPEAKER(config, "rspeaker").front_right();
}