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add md4330/4332 lcd driver (nw)

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This commit is contained in:
hap 2019-08-21 14:52:21 +02:00
parent b02df00ba0
commit 0617790932
7 changed files with 215 additions and 1 deletions
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12
scripts/src/video.lua
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@ -615,6 +615,18 @@ if (VIDEOS["MC6847"]~=null) then
}
end
--------------------------------------------------
--
--@src/devices/video/md4330b.h,VIDEOS["MD4330B"] = true
--------------------------------------------------
if (VIDEOS["MD4330B"]~=null) then
files {
MAME_DIR .. "src/devices/video/md4330b.cpp",
MAME_DIR .. "src/devices/video/md4330b.h",
}
end
--------------------------------------------------
--
--@src/devices/video/mm5445.h,VIDEOS["MM5445"] = true

1
scripts/target/mame/arcade.lua
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@ -328,6 +328,7 @@ VIDEOS["MB90082"] = true
VIDEOS["MB_VCU"] = true
VIDEOS["MC6845"] = true
--VIDEOS["MC6847"] = true
--VIDEOS["MD4330B"] = true
--VIDEOS["MM5445"] = true
--VIDEOS["MSM6222B"] = true
--VIDEOS["MSM6255"] = true

1
scripts/target/mame/mess.lua
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@ -349,6 +349,7 @@ VIDEOS["IMS_CVC"] = true
--VIDEOS["MB_VCU"] = true
VIDEOS["MC6845"] = true
VIDEOS["MC6847"] = true
VIDEOS["MD4330B"] = true
VIDEOS["MM5445"] = true
VIDEOS["MSM6222B"] = true
VIDEOS["MSM6255"] = true

104
src/devices/video/md4330b.cpp Normal file
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@ -0,0 +1,104 @@
// license:BSD-3-Clause
// copyright-holders:hap
/*
Mitel MD4330B / MD4332B LCD Driver
It's a simple shift register CMOS LCD driver.
'30 has 30 segments, '32 has 32. The "C" versions are ceramic chips, the "E" are epoxy.
TODO:
- RST pin (asynchronous on MD4332B)
*/
#include "emu.h"
#include "video/md4330b.h"
DEFINE_DEVICE_TYPE(MD4330B, md4330b_device, "md4330b", "Mitel MD4330B LCD Driver")
DEFINE_DEVICE_TYPE(MD4332B, md4332b_device, "md4332b", "Mitel MD4332B LCD Driver")
//-------------------------------------------------
// constructor
//-------------------------------------------------
md4330b_device::md4330b_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 qmax) :
device_t(mconfig, type, tag, owner, clock),
m_qmax(qmax), m_write_q(*this), m_write_do(*this)
{ }
md4330b_device::md4330b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
md4330b_device(mconfig, MD4330B, tag, owner, clock, 30)
{ }
md4332b_device::md4332b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) :
md4330b_device(mconfig, MD4332B, tag, owner, clock, 32)
{ }
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void md4330b_device::device_start()
{
// resolve callbacks
m_write_q.resolve_safe();
m_write_do.resolve_safe();
// zerofill
m_shift = 0;
m_clk = 0;
m_di = 0;
m_do = 0;
m_rst = 0;
m_tc = 0;
// register for savestates
save_item(NAME(m_shift));
save_item(NAME(m_clk));
save_item(NAME(m_di));
save_item(NAME(m_do));
save_item(NAME(m_rst));
save_item(NAME(m_tc));
}
//-------------------------------------------------
// handlers
//-------------------------------------------------
void md4330b_device::update_q()
{
u32 out = m_shift;
if (m_tc)
out = ~out;
out &= (1 << m_qmax) - 1;
m_write_q(0, out);
}
WRITE_LINE_MEMBER(md4330b_device::clk_w)
{
state = (state) ? 1 : 0;
// shift on rising edge
if (state && !m_clk)
{
// DO pin follows carry out
m_do = (m_rst) ? 0 : BIT(m_shift, m_qmax-1);
if (m_rst)
m_shift = 0;
else
m_shift = (m_shift << 1) | m_di;
// output
update_q();
m_write_do(m_do);
}
m_clk = state;
}

91
src/devices/video/md4330b.h Normal file
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@ -0,0 +1,91 @@
// license:BSD-3-Clause
// copyright-holders:hap
/*
Mitel MD4330B / MD4332B LCD Driver
*/
#ifndef MAME_VIDEO_MD4330B_H
#define MAME_VIDEO_MD4330B_H
#pragma once
// pinout reference
/*
____ ____ ____ ____
_T/C 1 |* \_/ | 40 VDD _T/C 1 |* \_/ | 40 VDD
DI 2 | | 39 CLK DI 2 | | 39 CLK
NC 3 | | 38 RST NC 3 | | 38 RST
NC 4 | | 37 DO Q1 4 | | 37 DO
Q1 5 | | 36 Q30 Q2 5 | | 36 Q32
Q2 6 | | 35 Q29 Q3 6 | | 35 Q31
Q3 7 | | 34 Q28 Q4 7 | | 34 Q30
Q4 8 | | 33 Q27 Q5 8 | | 33 Q29
Q5 9 | | 32 Q26 Q6 9 | | 32 Q28
Q6 10 | MD4330BC | 31 Q25 Q7 10 | MD4332BC | 31 Q27
Q7 11 | MD4330BE | 30 Q24 Q8 11 | MD4332BE | 30 Q26
Q8 12 | | 29 Q23 Q9 12 | | 29 Q25
Q9 13 | | 28 Q22 Q10 13 | | 28 Q24
Q10 14 | | 27 Q21 Q11 14 | | 27 Q23
Q11 15 | | 26 Q20 Q12 15 | | 26 Q22
Q12 16 | | 25 Q19 Q13 16 | | 25 Q21
Q13 17 | | 24 Q18 Q14 17 | | 24 Q20
Q14 18 | | 23 Q17 Q15 18 | | 23 Q19
Q15 19 | | 22 Q16 Q16 19 | | 22 Q18
VSS 20 |___________| 21 NC VSS 20 |___________| 21 Q17
*/
class md4330b_device : public device_t
{
public:
md4330b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
// configuration helpers
auto write_q() { return m_write_q.bind(); }
auto write_do() { return m_write_do.bind(); }
DECLARE_WRITE_LINE_MEMBER(clk_w);
DECLARE_WRITE_LINE_MEMBER(tc_w) { m_tc = (state) ? 1 : 0; update_q(); }
DECLARE_WRITE_LINE_MEMBER(di_w) { m_di = (state) ? 1 : 0; }
DECLARE_WRITE_LINE_MEMBER(rst_w) { m_rst = (state) ? 1 : 0; }
DECLARE_READ_LINE_MEMBER(do_r) { return m_do; }
protected:
md4330b_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock, u8 qmax);
// device-level overrides
virtual void device_start() override;
void update_q();
const u8 m_qmax; // number of Q pins
u32 m_shift;
// pin state
int m_clk;
int m_di;
int m_do;
int m_rst;
int m_tc;
// callbacks
devcb_write32 m_write_q;
devcb_write_line m_write_do;
};
class md4332b_device : public md4330b_device
{
public:
md4332b_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
};
DECLARE_DEVICE_TYPE(MD4330B, md4330b_device)
DECLARE_DEVICE_TYPE(MD4332B, md4332b_device)
#endif // MAME_VIDEO_MD4330B_H

1
src/mame/drivers/fidel_elite.cpp
View File

@ -512,6 +512,7 @@ void eag_state::eag2100(machine_config &config)
eag(config);
/* basic machine hardware */
m_maincpu->set_clock(6_MHz_XTAL);
m_mainmap->set_addrmap(AS_PROGRAM, &eag_state::eag2100_map);
}

6
src/mame/drivers/saitek_ssystem3.cpp
View File

@ -15,6 +15,7 @@ TODO:
#include "machine/timer.h"
#include "sound/dac.h"
#include "sound/volt_reg.h"
#include "video/md4330b.h"
#include "video/pwm.h"
#include "screen.h"
@ -32,6 +33,7 @@ public:
ssystem3_state(const machine_config &mconfig, device_type type, const char *tag) :
driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_lcd(*this, "lcd"),
m_display(*this, "display"),
m_dac(*this, "dac"),
m_inputs(*this, "IN.%u", 0)
@ -46,8 +48,9 @@ protected:
private:
// devices/pointers
required_device<cpu_device> m_maincpu;
required_device<md4332b_device> m_lcd;
required_device<pwm_display_device> m_display;
optional_device<dac_bit_interface> m_dac;
required_device<dac_bit_interface> m_dac;
required_ioport_array<4> m_inputs;
// address maps
@ -129,6 +132,7 @@ void ssystem3_state::ssystem3(machine_config &config)
//NVRAM(config, "nvram", nvram_device::DEFAULT_ALL_0);
/* video hardware */
MD4332B(config, m_lcd);
PWM_DISPLAY(config, m_display).set_size(4, 4);
//config.set_default_layout(layout_saitek_ssystem3);