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author hap <happppp@users.noreply.github.com>2019-03-07 21:06:13 +0100
committer hap <happppp@users.noreply.github.com>2019-03-07 21:06:38 +0100
commitf86ffd0802af2d0d165e4c626b81c8cc3d7f24f7 (patch)
treee19774c17335a261d0cbe429cc27766b6a4daa7c /src/devices
parentb090ac4af1f24c9bf5eb1ce33ce36a4b81e29b57 (diff)
added mm5445_device (nw)
Diffstat (limited to 'src/devices')
-rw-r--r--src/devices/video/hlcd0515.cpp44
-rw-r--r--src/devices/video/hlcd0515.h8
-rw-r--r--src/devices/video/hlcd0538.cpp29
-rw-r--r--src/devices/video/hlcd0538.h12
-rw-r--r--src/devices/video/mm5445.cpp106
-rw-r--r--src/devices/video/mm5445.h101
6 files changed, 249 insertions, 51 deletions
diff --git a/src/devices/video/hlcd0515.cpp b/src/devices/video/hlcd0515.cpp
index b7730332bfd..87abf50bc0e 100644
--- a/src/devices/video/hlcd0515.cpp
+++ b/src/devices/video/hlcd0515.cpp
@@ -26,27 +26,23 @@ DEFINE_DEVICE_TYPE(HLCD0530, hlcd0530_device, "hlcd0530", "Hughes HLCD 0530 LCD
// constructor
//-------------------------------------------------
-hlcd0515_device::hlcd0515_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 colmax)
- : device_t(mconfig, type, tag, owner, clock)
- , m_colmax(colmax)
- , m_write_cols(*this), m_write_data(*this)
-{
-}
+hlcd0515_device::hlcd0515_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 colmax) :
+ device_t(mconfig, type, tag, owner, clock),
+ m_colmax(colmax),
+ m_write_cols(*this), m_write_data(*this)
+{ }
-hlcd0515_device::hlcd0515_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
- : hlcd0515_device(mconfig, HLCD0515, tag, owner, clock, 25)
-{
-}
+hlcd0515_device::hlcd0515_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ hlcd0515_device(mconfig, HLCD0515, tag, owner, clock, 25)
+{ }
-hlcd0569_device::hlcd0569_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
- : hlcd0515_device(mconfig, HLCD0569, tag, owner, clock, 24)
-{
-}
+hlcd0569_device::hlcd0569_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ hlcd0515_device(mconfig, HLCD0569, tag, owner, clock, 24)
+{ }
-hlcd0530_device::hlcd0530_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
- : hlcd0515_device(mconfig, HLCD0530, tag, owner, clock, 24)
-{
-}
+hlcd0530_device::hlcd0530_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ hlcd0515_device(mconfig, HLCD0530, tag, owner, clock, 24)
+{ }
@@ -66,7 +62,7 @@ void hlcd0515_device::device_start()
// zerofill
m_cs = 0;
- m_pclock = 0;
+ m_clk = 0;
m_data = 0;
m_count = 0;
m_control = 0;
@@ -79,7 +75,7 @@ void hlcd0515_device::device_start()
// register for savestates
save_item(NAME(m_cs));
- save_item(NAME(m_pclock));
+ save_item(NAME(m_clk));
save_item(NAME(m_data));
save_item(NAME(m_count));
save_item(NAME(m_control));
@@ -157,12 +153,12 @@ void hlcd0515_device::clock_data(int col)
}
-WRITE_LINE_MEMBER(hlcd0515_device::write_clock)
+WRITE_LINE_MEMBER(hlcd0515_device::clock_w)
{
state = (state) ? 1 : 0;
// clock/shift data on falling edge
- if (!m_cs && !state && m_pclock)
+ if (!m_cs && !state && m_clk)
{
if (m_count < 5)
{
@@ -179,11 +175,11 @@ WRITE_LINE_MEMBER(hlcd0515_device::write_clock)
m_count++;
}
- m_pclock = state;
+ m_clk = state;
}
-WRITE_LINE_MEMBER(hlcd0515_device::write_cs)
+WRITE_LINE_MEMBER(hlcd0515_device::cs_w)
{
state = (state) ? 1 : 0;
diff --git a/src/devices/video/hlcd0515.h b/src/devices/video/hlcd0515.h
index 5018978226d..1108890a1fb 100644
--- a/src/devices/video/hlcd0515.h
+++ b/src/devices/video/hlcd0515.h
@@ -50,9 +50,9 @@ public:
auto write_cols() { return m_write_cols.bind(); } // COL/ROW pins (offset for ROW)
auto write_data() { return m_write_data.bind(); } // DATA OUT pin, don't use on HLCD0569
- DECLARE_WRITE_LINE_MEMBER(write_clock);
- DECLARE_WRITE_LINE_MEMBER(write_cs);
- DECLARE_WRITE_LINE_MEMBER(write_data) { m_data = (state) ? 1 : 0; }
+ DECLARE_WRITE_LINE_MEMBER(clock_w);
+ DECLARE_WRITE_LINE_MEMBER(cs_w);
+ DECLARE_WRITE_LINE_MEMBER(data_w) { m_data = (state) ? 1 : 0; }
protected:
hlcd0515_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 colmax);
@@ -67,7 +67,7 @@ protected:
const u8 m_colmax; // number of column pins
int m_cs; // input pin state
- int m_pclock; // "
+ int m_clk; // "
int m_data; // "
int m_count;
u8 m_control;
diff --git a/src/devices/video/hlcd0538.cpp b/src/devices/video/hlcd0538.cpp
index c409e6be528..12a188d07a0 100644
--- a/src/devices/video/hlcd0538.cpp
+++ b/src/devices/video/hlcd0538.cpp
@@ -23,22 +23,18 @@ DEFINE_DEVICE_TYPE(HLCD0539, hlcd0539_device, "hlcd0539", "Hughes HLCD 0539 LCD
// constructor
//-------------------------------------------------
-hlcd0538_device::hlcd0538_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock)
- : device_t(mconfig, type, tag, owner, clock)
- , m_write_cols(*this), m_write_interrupt(*this)
-{
-}
-
-hlcd0538_device::hlcd0538_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
- : hlcd0538_device(mconfig, HLCD0538, tag, owner, clock)
-{
-}
+hlcd0538_device::hlcd0538_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock) :
+ device_t(mconfig, type, tag, owner, clock),
+ m_write_cols(*this), m_write_interrupt(*this)
+{ }
-hlcd0539_device::hlcd0539_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
- : hlcd0538_device(mconfig, HLCD0539, tag, owner, clock)
-{
-}
+hlcd0538_device::hlcd0538_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ hlcd0538_device(mconfig, HLCD0538, tag, owner, clock)
+{ }
+hlcd0539_device::hlcd0539_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ hlcd0538_device(mconfig, HLCD0539, tag, owner, clock)
+{ }
//-------------------------------------------------
@@ -65,12 +61,11 @@ void hlcd0538_device::device_start()
}
-
//-------------------------------------------------
// handlers
//-------------------------------------------------
-WRITE_LINE_MEMBER(hlcd0538_device::write_clk)
+WRITE_LINE_MEMBER(hlcd0538_device::clk_w)
{
state = (state) ? 1 : 0;
@@ -81,7 +76,7 @@ WRITE_LINE_MEMBER(hlcd0538_device::write_clk)
m_clk = state;
}
-WRITE_LINE_MEMBER(hlcd0538_device::write_lcd)
+WRITE_LINE_MEMBER(hlcd0538_device::lcd_w)
{
state = (state) ? 1 : 0;
diff --git a/src/devices/video/hlcd0538.h b/src/devices/video/hlcd0538.h
index 187523e1076..bc1a78d16fc 100644
--- a/src/devices/video/hlcd0538.h
+++ b/src/devices/video/hlcd0538.h
@@ -43,15 +43,15 @@
class hlcd0538_device : public device_t
{
public:
- hlcd0538_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+ hlcd0538_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
// configuration helpers
- auto write_cols_callback() { return m_write_cols.bind(); } // C/R pins (0538: d0-d7 for rows)
- auto write_interrupt_callback() { return m_write_interrupt.bind(); } // INTERRUPT pin
+ auto write_cols() { return m_write_cols.bind(); } // C/R pins (0538: d0-d7 for rows)
+ auto write_interrupt() { return m_write_interrupt.bind(); } // INTERRUPT pin
- DECLARE_WRITE_LINE_MEMBER(write_clk);
- DECLARE_WRITE_LINE_MEMBER(write_lcd);
- DECLARE_WRITE_LINE_MEMBER(write_data) { m_data = (state) ? 1 : 0; }
+ DECLARE_WRITE_LINE_MEMBER(clk_w);
+ DECLARE_WRITE_LINE_MEMBER(lcd_w);
+ DECLARE_WRITE_LINE_MEMBER(data_w) { m_data = (state) ? 1 : 0; }
protected:
hlcd0538_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock);
diff --git a/src/devices/video/mm5445.cpp b/src/devices/video/mm5445.cpp
new file mode 100644
index 00000000000..6b857ed19b3
--- /dev/null
+++ b/src/devices/video/mm5445.cpp
@@ -0,0 +1,106 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/*
+
+ National Semiconductor MM5445 series VFD Driver
+
+ TODO:
+ - brightness control input pin (sets output voltage level)
+
+*/
+
+#include "emu.h"
+#include "video/mm5445.h"
+
+
+DEFINE_DEVICE_TYPE(MM5445, mm5445_device, "mm5445", "MM5445 VFD Driver")
+DEFINE_DEVICE_TYPE(MM5446, mm5446_device, "mm5446", "MM5446 VFD Driver")
+DEFINE_DEVICE_TYPE(MM5447, mm5447_device, "mm5447", "MM5447 VFD Driver")
+DEFINE_DEVICE_TYPE(MM5448, mm5448_device, "mm5448", "MM5448 VFD Driver")
+
+//-------------------------------------------------
+// constructor
+//-------------------------------------------------
+
+mm5445_device::mm5445_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 outpins) :
+ device_t(mconfig, type, tag, owner, clock),
+ m_outmask((u64(1) << outpins) - 1),
+ m_write_output(*this)
+{ }
+
+mm5445_device::mm5445_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ mm5445_device(mconfig, MM5445, tag, owner, clock, 33)
+{ }
+
+mm5446_device::mm5446_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ mm5445_device(mconfig, MM5446, tag, owner, clock, 34)
+{ }
+
+mm5447_device::mm5447_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ mm5445_device(mconfig, MM5447, tag, owner, clock, 34)
+{ }
+
+mm5448_device::mm5448_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
+ mm5445_device(mconfig, MM5448, tag, owner, clock, 35)
+{ }
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void mm5445_device::device_start()
+{
+ // resolve callbacks
+ m_write_output.resolve_safe();
+
+ // zerofill
+ m_clk = 0;
+ m_enable = 0;
+ m_data = 0;
+ m_shiftreg = 0;
+ m_shiftcount = 0;
+
+ // register for savestates
+ save_item(NAME(m_clk));
+ save_item(NAME(m_enable));
+ save_item(NAME(m_data));
+ save_item(NAME(m_shiftreg));
+ save_item(NAME(m_shiftcount));
+}
+
+
+//-------------------------------------------------
+// handlers
+//-------------------------------------------------
+
+WRITE_LINE_MEMBER(mm5445_device::clock_w)
+{
+ state = (state) ? 1 : 0;
+ bool rise = state && !m_clk;
+ m_clk = state;
+
+ // clock on rising edge
+ if (rise)
+ {
+ u64 data_in = u64(m_data & ~m_enable) << 34;
+ u64 lead_in = ~m_shiftreg & data_in;
+ m_shiftreg = (m_shiftreg & ((u64(1) << 34) - 1)) | data_in;
+
+ // leading 1 triggers shift start
+ if (m_shiftcount == 0 && !lead_in)
+ return;
+
+ // output on 35th clock
+ if (m_shiftcount == 35)
+ {
+ m_shiftcount = 0;
+ m_write_output(0, m_shiftreg & m_outmask, ~u64(0));
+ }
+ else
+ {
+ m_shiftreg >>= 1;
+ m_shiftcount++;
+ }
+ }
+}
diff --git a/src/devices/video/mm5445.h b/src/devices/video/mm5445.h
new file mode 100644
index 00000000000..2ee2b8ed8cb
--- /dev/null
+++ b/src/devices/video/mm5445.h
@@ -0,0 +1,101 @@
+// license:BSD-3-Clause
+// copyright-holders:hap
+/*
+
+ National Semiconductor MM5445 series VFD Driver
+
+*/
+
+#ifndef MAME_VIDEO_MM5445_H
+#define MAME_VIDEO_MM5445_H
+
+#pragma once
+
+// pinout reference
+
+/*
+ ____ ____
+ VDD 1 |* \_/ | 40 O18
+ O17 2 | | 39 O19
+ O16 3 | | 38 O20
+ O15 4 | | 37 O21
+ O14 5 | | 36 O22
+ O13 6 | | 35 O23
+ O12 7 | | 34 O24
+ O11 8 | | 33 O25
+ O10 9 | | 32 O26
+ O9 10 | MM5445N | 31 O27
+ O8 11 | | 30 O28
+ O7 12 | | 29 O29
+ O6 13 | | 28 O30
+ O5 14 | | 27 O31
+ O4 15 | | 26 O32
+ O3 16 | | 25 O33
+ O2 17 | | 24 BRIGHTNESS CONTROL
+ O1 18 | | 23 _DATA ENABLE
+ VGG 19 | | 22 DATA IN
+ VSS 20 |___________| 21 CLOCK IN
+
+ O# = OUTPUT BIT #
+ MM5446, MM5448 don't have the brightness control pin, an extra output pin instead
+ MM5447, MM5448 don't have the data enable pin(always enabled), but another extra output pin
+*/
+
+
+class mm5445_device : public device_t
+{
+public:
+ mm5445_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
+
+ // configuration helpers
+ auto output_cb() { return m_write_output.bind(); }
+
+ DECLARE_WRITE_LINE_MEMBER(clock_w);
+ DECLARE_WRITE_LINE_MEMBER(enable_w) { m_enable = (state) ? 1 : 0; } // active low, unused on MM5447 and MM5448
+ DECLARE_WRITE_LINE_MEMBER(data_w) { m_data = (state) ? 1 : 0; }
+
+protected:
+ mm5445_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 outpins);
+
+ // device-level overrides
+ virtual void device_start() override;
+
+ const u64 m_outmask;
+
+ int m_clk; // input pin state
+ int m_enable; // "
+ int m_data; // "
+
+ u64 m_shiftreg;
+ int m_shiftcount;
+
+ // callbacks
+ devcb_write64 m_write_output;
+};
+
+
+class mm5446_device : public mm5445_device
+{
+public:
+ mm5446_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+};
+
+class mm5447_device : public mm5445_device
+{
+public:
+ mm5447_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+};
+
+class mm5448_device : public mm5445_device
+{
+public:
+ mm5448_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+};
+
+
+DECLARE_DEVICE_TYPE(MM5445, mm5445_device)
+DECLARE_DEVICE_TYPE(MM5446, mm5446_device)
+DECLARE_DEVICE_TYPE(MM5447, mm5447_device)
+DECLARE_DEVICE_TYPE(MM5448, mm5448_device)
+
+#endif // MAME_VIDEO_MM5445_H